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byre/api/openapi.yaml
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YAML

openapi: 3.0.3
info:
title: byre
version: 0.0.0
paths:
/api/me:
get:
operationId: getMe
responses:
"200":
description: The calling user.
content:
application/json:
schema: { $ref: "#/components/schemas/User" }
put:
operationId: updateMe
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/UserUpdate" }
responses:
"200":
description: The updated user.
content:
application/json:
schema: { $ref: "#/components/schemas/User" }
"400": { $ref: "#/components/responses/Error" }
/api/me/notifications:
put:
operationId: updateNotificationPrefs
description: Sets which new inbox items notify the calling user in their open byre pages.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/NotificationPrefs" }
responses:
"200":
description: The updated user.
content:
application/json:
schema: { $ref: "#/components/schemas/User" }
"400": { $ref: "#/components/responses/Error" }
/api/me/default-model:
put:
operationId: updateDefaultModel
description: Sets the model the calling user's app starts new tasks on.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/DefaultModel" }
responses:
"200":
description: The updated user.
content:
application/json:
schema: { $ref: "#/components/schemas/User" }
"400": { $ref: "#/components/responses/Error" }
/api/me/lead/sessions:
get:
operationId: listLeadSessions
description: The calling user's lead agent sessions, oldest first. A compaction completes one and starts the next.
responses:
"200":
description: The sessions.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/AgentSession" }
/api/me/lead/events:
get:
operationId: listLeadEvents
description: >
The calling user's lead events, oldest first, a page of whole turns: those after the turns+1'th turn.ended
before the before seq (or before the latest event when before is absent). Page back by passing the first
event's seq as before.
parameters:
- { name: before, in: query, required: false, schema: { type: integer, format: int64 } }
- { name: turns, in: query, required: false, schema: { type: integer, minimum: 1, maximum: 500 } }
responses:
"200":
description: Up to turns turns (default 50), plus any turn still running when before is absent.
content:
application/json:
schema: { $ref: "#/components/schemas/EventPage" }
/api/me/lead/messages:
post:
operationId: messageLead
description: >
Sends a message to the calling user's lead agent, starting a lead session when there is none.
While the lead is mid-turn the message is held and sent as its next turn.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/MessageCreate" }
responses:
"202":
description: The lead session the message went to or is held for.
content:
application/json:
schema: { $ref: "#/components/schemas/AgentSession" }
"400": { $ref: "#/components/responses/Error" }
/api/me/lead/notes:
get:
operationId: listLeadNotes
description: What the calling user's lead agent has noted about how they work, oldest first. The lead keeps them with its remember and forget tools.
responses:
"200":
description: The notes.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/LeadNote" }
/api/me/lead/notes/{noteId}:
parameters:
- { name: noteId, in: path, required: true, schema: { type: string } }
delete:
operationId: deleteLeadNote
responses:
"204":
description: Deleted.
"404": { $ref: "#/components/responses/Error" }
/api/me/focus:
get:
operationId: getFocus
responses:
"200":
description: What the calling user's right pane shows.
content:
application/json:
schema: { $ref: "#/components/schemas/Focus" }
put:
operationId: setFocus
description: Records the human switching the right pane's project, task or tab.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/Focus" }
responses:
"200":
description: The stored focus.
content:
application/json:
schema: { $ref: "#/components/schemas/Focus" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
/api/me/summary-reads:
get:
operationId: getSummaryReads
responses:
"200":
description: For each active task the calling user has read a turn summary of, the highest seq read.
content:
application/json:
schema: { type: object, additionalProperties: { type: integer, format: int64 } }
/api/me/pane-focus:
put:
operationId: setPaneFocus
description: Records whether the human is working in the right pane, and whether they have unsent text there. While they are working in it, the lead agent can move it only in the cases its show tool describes.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/PaneFocus" }
responses:
"204":
description: Recorded.
"400": { $ref: "#/components/responses/Error" }
/api/projects:
get:
operationId: listProjects
responses:
"200":
description: All projects.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/Project" }
post:
operationId: createProject
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/ProjectCreate" }
responses:
"201":
description: The new project.
content:
application/json:
schema: { $ref: "#/components/schemas/Project" }
"400": { $ref: "#/components/responses/Error" }
/api/projects/{projectId}:
parameters:
- { name: projectId, in: path, required: true, schema: { type: string } }
get:
operationId: getProject
responses:
"200":
description: The project.
content:
application/json:
schema: { $ref: "#/components/schemas/Project" }
"404": { $ref: "#/components/responses/Error" }
/api/projects/{projectId}/tasks:
parameters:
- { name: projectId, in: path, required: true, schema: { type: string } }
get:
operationId: listTasks
responses:
"200":
description: The project's tasks, newest first.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/Task" }
"404": { $ref: "#/components/responses/Error" }
post:
operationId: createTask
description: >
Creates the task's branch and worktree from the project's default branch, and with prompt starts its agent, or
with workflow, starts a run of that workflow from it.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/TaskCreate" }
responses:
"201":
description: The new task.
content:
application/json:
schema: { $ref: "#/components/schemas/Task" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
/api/projects/{projectId}/todo:
parameters:
- { name: projectId, in: path, required: true, schema: { type: string } }
get:
operationId: getTodo
description: The items of TODO.md at the root of the project's default branch, in file order.
responses:
"200":
description: The items; exists is false when the default branch has no TODO.md.
content:
application/json:
schema: { $ref: "#/components/schemas/Todo" }
"404": { $ref: "#/components/responses/Error" }
/api/projects/{projectId}/todo/tasks:
parameters:
- { name: projectId, in: path, required: true, schema: { type: string } }
post:
operationId: startTodoItem
description: >
Creates a task for a TODO.md item, recording the item as its todo_item, and starts its agent with the item as
the first message. Refused while another active task has the same item.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/TodoStart" }
responses:
"201":
description: The new task.
content:
application/json:
schema: { $ref: "#/components/schemas/Task" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getTask
responses:
"200":
description: The task.
content:
application/json:
schema: { $ref: "#/components/schemas/Task" }
"404": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/workflow:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getTaskWorkflow
description: >
The workflow the task froze when it was created, as it was then. Later edits and deletes of the workflow
don't change it.
responses:
"200":
description: The frozen workflow.
content:
application/json:
schema: { $ref: "#/components/schemas/TaskWorkflow" }
"404": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/summary-read:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
put:
operationId: markSummaryRead
description: Records that the calling user has read the task's turn summaries up to seq. A seq at or below the one already recorded changes nothing; a higher one emits summary.read, owned by the user.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/SummaryRead" }
responses:
"204":
description: Recorded.
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/workflow/run:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getWorkflowRun
description: >
The progress of the workflow run the task belongs to: the definition the task froze, and for each stage its
state and every task that attempted it, with the attempts whose outputs each one started from.
responses:
"200":
description: The run's progress.
content:
application/json:
schema: { $ref: "#/components/schemas/WorkflowRun" }
"404": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/unmerged:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getUnmerged
description: What the task's worktree holds that its project's default branch doesn't.
responses:
"200":
description: The unmerged changes.
content:
application/json:
schema: { $ref: "#/components/schemas/Unmerged" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/co-authors:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getCoAuthors
description: >
The humans other than the caller with a message in the task's transcript (sent its agent a message, or had
an inbox answer delivered under their name), in order of their first message. A merge by the caller gives each one with a git identity a
Co-authored-by trailer.
responses:
"200":
description: The co-authors.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/Participant" }
"404": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/merge:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
post:
operationId: mergeTask
description: >
Sets the task's merge_title to the confirmed title, then starts the same agent turn as merge-in, without
its invitation to revise the title. When that turn ends normally, byre squashes the task's worktree
into one commit titled with the task's merge_title on the project's default branch, authored by the caller with
a Co-authored-by trailer for each of the task's co-authors, pushes it to origin, fast-forwards the project's
checkout to it, then removes the worktree and branch and marks the task merged. While another task in the
project is merging, the merge is held instead (merge_queued_at is set) and starts when no merge is in progress
in the project and the task's session is idle, oldest first. The title is fixed from here until the task
closes. Refused while a turn is running, or the merge is already held. With target parent, for a subtask
only, the subtask's branch is merged into its parent task's branch instead: the parent's agent is asked to
merge it (queued if it is mid-turn), and the subtask closes as merged once its branch is in the parent's
HEAD at the end of one of the parent's turns (merging_into_parent is set until then). Refused while the
subtask's turn is running or it is already merging into its parent. Either target is refused while the
task has active subtasks of its own. With after_review, nothing starts yet: the request is recorded
(merge_after_review is set) and made, as this caller and with this target, when the review of the
task's latest snapshot finishes with no findings, that snapshot is still the latest and no turn is
running; otherwise it is dropped with a transcript note. Refused (409) unless that review is running.
requestBody:
required: true
content:
application/json:
schema:
type: object
additionalProperties: false
properties:
merge_title: { type: string, description: "The squash commit's title: one line, at most 72 characters. Required for target main." }
target:
type: string
enum: [main, parent]
x-enum-varnames: [MergeTargetMain, MergeTargetParent]
description: "main (the default): squash onto the project's default branch. parent: merge into the parent task's branch; only for a subtask."
after_review: { type: boolean, description: "Merge once the running review of the latest snapshot finishes with no findings, instead of now." }
responses:
"202":
description: The merge was started, held, or set to start after the review.
content:
application/json:
schema: { $ref: "#/components/schemas/Task" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/merge-after-review:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
delete:
operationId: cancelMergeAfterReview
description: Withdraws a Merge with after_review that is still waiting for its review; nothing is merged.
responses:
"200":
description: The request was withdrawn.
content:
application/json:
schema: { $ref: "#/components/schemas/Task" }
"404": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/merge-in:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
post:
operationId: mergeIn
description: >
Asks the task's agent to merge the project's default branch into the task branch, resolving any conflicts
and regenerating generated files. Sent to the task's idle session, or starts a session when it has none.
Refused while a turn is running.
responses:
"202":
description: The merge turn was started.
content:
application/json:
schema: { $ref: "#/components/schemas/AgentSession" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/discard:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
post:
operationId: discardTask
description: >
Gives the task's agent one dedicated turn to write the task summary, started at once when its session is
idle (or in a new session when it has none) and otherwise as soon as the running turn ends, with no other
turn admitted meanwhile; drops any held merge; and when that turn ends however it ends, removes the task's
worktree and branch without merging and marks the task discarded. The task's record, summary and events
remain. Refused while the task is merging, already being discarded, or has active subtasks; on a task whose
cleanup failed, retries the cleanup.
responses:
"202":
description: The task, still active, whose discard was started.
content:
application/json:
schema: { $ref: "#/components/schemas/Task" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/events:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: listTaskEvents
description: The task's events after a seq, oldest first. Page by passing the last seq back as after.
parameters:
- { name: after, in: query, required: false, schema: { type: integer, format: int64 } }
- { name: limit, in: query, required: false, schema: { type: integer, minimum: 1, maximum: 1000 } }
responses:
"200":
description: Up to limit events (default 500).
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/Event" }
"404": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/changes:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getTaskChanges
description: >
Everything in the task's worktree (committed, staged, unstaged and untracked, respecting .gitignore) as a tree,
compared with the merge-base of the task branch and the project's default branch, or with since when given.
The worktree's own index is not touched. With snapshot, the tree is that snapshot's instead, compared with the
merge-base of its commit and the default branch, or with the previous snapshot's tree when step is true.
parameters:
- { name: since, in: query, required: false, schema: { type: string }, description: "A commit to compare with instead of the merge-base, such as a user.message event's head. Not allowed with snapshot." }
- { name: snapshot, in: query, required: false, schema: { type: integer }, description: "A snapshot's n: show the task as it was in that snapshot rather than the live worktree." }
- { name: step, in: query, required: false, schema: { type: boolean }, description: "With snapshot: compare with the previous snapshot (the snapshot commit's parent for the first one)." }
responses:
"200":
description: Per-file stats.
content:
application/json:
schema: { $ref: "#/components/schemas/TaskChanges" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/image:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getTaskImage
description: >
An image file from the task's worktree, for Markdown images and image attachments. path is absolute or relative
to the worktree; after resolving symlinks it must be inside the worktree. PNG, JPEG, GIF, WebP and SVG, chosen by extension.
parameters:
- { name: path, in: query, required: true, schema: { type: string } }
responses:
"200":
description: The file's bytes.
content:
image/png: { schema: { type: string, format: binary } }
image/jpeg: { schema: { type: string, format: binary } }
image/gif: { schema: { type: string, format: binary } }
image/webp: { schema: { type: string, format: binary } }
image/svg+xml: { schema: { type: string, format: binary } }
"400": { $ref: "#/components/responses/Error" }
"403": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/diff:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getTaskDiff
description: The unified diff of one file between a base and tree from getTaskChanges.
parameters:
- { name: base, in: query, required: true, schema: { type: string } }
- { name: tree, in: query, required: true, schema: { type: string } }
- { name: path, in: query, required: true, schema: { type: string } }
- { name: old_path, in: query, required: false, schema: { type: string } }
responses:
"200":
description: The patch.
content:
application/json:
schema: { $ref: "#/components/schemas/FileDiff" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/dir:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getTaskDir
description: >
One directory of the task's worktree, directories first, then by name. Entries named .git are left out;
gitignored entries are included and marked.
A path that leaves the worktree, through .. or a symlink, is refused.
parameters:
- { name: path, in: query, required: false, schema: { type: string }, description: "Slash-separated, relative to the worktree root; empty or absent for the root." }
responses:
"200":
description: The directory's entries.
content:
application/json:
schema: { $ref: "#/components/schemas/DirListing" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/file:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getTaskFile
description: >
A regular file in the task's worktree. Text is returned up to a size limit; binary files return no content.
A path that leaves the worktree, through .. or a symlink, is refused.
parameters:
- { name: path, in: query, required: true, schema: { type: string }, description: "Slash-separated, relative to the worktree root." }
responses:
"200":
description: The file.
content:
application/json:
schema: { $ref: "#/components/schemas/FileContent" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/terminal:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: getTaskTerminal
description: >
A WebSocket attached to the task's terminal, a login shell in its worktree, started at cols by rows if none is
running. The server first sends what the terminal has recently printed, then its output as it comes, all as
binary messages. The client sends input as binary messages and resizes as text messages holding a
TerminalSize. When the shell exits the server closes with code 4000 and the exit status as the reason.
parameters:
- { name: cols, in: query, required: true, schema: { type: integer, minimum: 1 } }
- { name: rows, in: query, required: true, schema: { type: integer, minimum: 1 } }
responses:
"101":
description: Switched to the WebSocket protocol.
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/previews:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: listPreviews
description: >
The ports the task's agent exposed with expose_port, by name. Each is served by tailscale serve on the same
port number of byre's host, over HTTPS, until the task is merged or discarded.
responses:
"200":
description: The previews.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/Preview" }
"404": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/snapshots:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: listSnapshots
description: >
The task's snapshots, oldest first. Each is a commit of the worktree as if everything were staged, kept at
refs/byre/tasks/{taskId}/snap/{n} until the task is merged or discarded; the rows remain after that.
responses:
"200":
description: The snapshots.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/Snapshot" }
"404": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/reviews:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: listReviews
description: The task's reviews, one per snapshot, oldest first.
responses:
"200":
description: The reviews.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/Review" }
"404": { $ref: "#/components/responses/Error" }
/api/reviews/{reviewId}/findings/{index}:
parameters:
- { name: reviewId, in: path, required: true, schema: { type: string } }
- { name: index, in: path, required: true, schema: { type: integer }, description: "The finding's position in the review's findings, from 0." }
put:
operationId: setFindingState
description: Records that the human addressed a finding of a done review, by sending it to the agent to fix or by ignoring it.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/FindingStateUpdate" }
responses:
"200":
description: The review.
content:
application/json:
schema: { $ref: "#/components/schemas/Review" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
/api/reviews/{reviewId}/stop:
parameters:
- { name: reviewId, in: path, required: true, schema: { type: string } }
post:
operationId: stopReview
description: Ends a running review's reviewer and records the review as failed. Refused unless the review is running.
responses:
"200":
description: The review.
content:
application/json:
schema: { $ref: "#/components/schemas/Review" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/snapshots/{n}/fork:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
- { name: n, in: path, required: true, schema: { type: integer } }
post:
operationId: forkSnapshot
description: >
Creates a new task whose branch and worktree start from the snapshot's commit, with an idle agent session that
continues the snapshot's agent conversation as it stood at the snapshot (the vendor's own session fork). The
new session's first turn is the first message sent to it. Refused while the task is closed, and for a snapshot
with no recorded agent message at or before it.
responses:
"201":
description: The new task.
content:
application/json:
schema: { $ref: "#/components/schemas/Task" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/sessions:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
get:
operationId: listSessions
responses:
"200":
description: The task's agent sessions, oldest first.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/AgentSession" }
"404": { $ref: "#/components/responses/Error" }
post:
operationId: createSession
description: Starts an agent session in the task's worktree and sends it the prompt as its first turn.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/SessionCreate" }
responses:
"201":
description: The new session.
content:
application/json:
schema: { $ref: "#/components/schemas/AgentSession" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/tasks/{taskId}/queue/{inputId}:
parameters:
- { name: taskId, in: path, required: true, schema: { type: string } }
- { name: inputId, in: path, required: true, schema: { type: integer, format: int64 } }
delete:
operationId: withdrawMessage
description: >
Takes back a queued message (the id from its user.queued event) before the agent gets it, and records a
user.unqueued event. Refused once the message has been handed over.
responses:
"204": { description: The message was withdrawn. }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/sessions/{sessionId}:
parameters:
- { name: sessionId, in: path, required: true, schema: { type: string } }
get:
operationId: getSession
responses:
"200":
description: The session.
content:
application/json:
schema: { $ref: "#/components/schemas/AgentSession" }
"404": { $ref: "#/components/responses/Error" }
/api/sessions/{sessionId}/messages:
parameters:
- { name: sessionId, in: path, required: true, schema: { type: string } }
post:
operationId: sendMessage
description: Starts a new turn with this message when the session is idle. While a task session's turn is running, the message is queued and reaches the agent after its next tool call, or as the next turn.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/MessageCreate" }
responses:
"202":
description: The turn has started.
content:
application/json:
schema: { $ref: "#/components/schemas/AgentSession" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/sessions/{sessionId}/compact:
parameters:
- { name: sessionId, in: path, required: true, schema: { type: string } }
post:
operationId: compactSession
description: >
Asks the idle session's agent for a handoff (goal, decisions, state, dead ends, open questions, files). When that turn ends,
the session is completed and a new session on the same task starts with the handoff as its first message, on the requested model
or else the old session's.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/CompactCreate" }
responses:
"202":
description: The handoff turn was started.
content:
application/json:
schema: { $ref: "#/components/schemas/AgentSession" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/sessions/{sessionId}/interrupt:
parameters:
- { name: sessionId, in: path, required: true, schema: { type: string } }
post:
operationId: interruptSession
description: Ends the current turn.
responses:
"202":
description: The interrupt was delivered.
content:
application/json:
schema: { $ref: "#/components/schemas/AgentSession" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/blobs:
post:
operationId: uploadBlob
description: >
Stores an image for use in a message. The body is the raw image; its type is detected from the bytes
and must be PNG, JPEG, GIF or WebP. At most 5 MiB.
requestBody:
required: true
content:
image/png: { schema: { type: string, format: binary } }
image/jpeg: { schema: { type: string, format: binary } }
image/gif: { schema: { type: string, format: binary } }
image/webp: { schema: { type: string, format: binary } }
responses:
"201":
description: The stored blob.
content:
application/json:
schema: { $ref: "#/components/schemas/Blob" }
"400": { $ref: "#/components/responses/Error" }
"413": { $ref: "#/components/responses/Error" }
/api/blobs/{blobId}:
parameters:
- { name: blobId, in: path, required: true, schema: { type: string } }
get:
operationId: getBlob
responses:
"200":
description: The blob's bytes, with its content type.
content:
image/png: { schema: { type: string, format: binary } }
image/jpeg: { schema: { type: string, format: binary } }
image/gif: { schema: { type: string, format: binary } }
image/webp: { schema: { type: string, format: binary } }
"404": { $ref: "#/components/responses/Error" }
/api/inbox:
get:
operationId: listInbox
description: >
Inbox items, oldest first.
Filters narrow the one query to a project's or a task's view.
parameters:
- { name: project_id, in: query, required: false, schema: { type: string } }
- { name: task_id, in: query, required: false, schema: { type: string } }
- { name: state, in: query, required: false, schema: { $ref: "#/components/schemas/InboxState" } }
responses:
"200":
description: Matching items with their responses. Defaults to open items.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/InboxItem" }
/api/inbox/{itemId}:
parameters:
- { name: itemId, in: path, required: true, schema: { type: string } }
get:
operationId: getInboxItem
responses:
"200":
description: The item with its responses.
content:
application/json:
schema: { $ref: "#/components/schemas/InboxItem" }
"404": { $ref: "#/components/responses/Error" }
/api/clients/connect:
get:
operationId: connectClient
description: >
A WebSocket over which task agents use this Mac: the server sends ClientRequest text messages and the client
answers each with a ClientReply text message carrying the same id, in any order. The Byre-Host header names
the client; a newer connection from the same host replaces the older one.
responses:
"101":
description: Switched to the WebSocket protocol.
"400": { $ref: "#/components/responses/Error" }
/api/clients/transfers/{transferId}:
parameters:
- { name: transferId, in: path, required: true, schema: { type: string } }
get:
operationId: getClientTransfer
description: The file or directory an upload ClientRequest sends, as a gzipped tar holding it under its own name. Served while the request is waiting for its reply.
responses:
"200":
description: The archive.
content:
application/gzip: { schema: { type: string, format: binary } }
"404": { $ref: "#/components/responses/Error" }
put:
operationId: putClientTransfer
description: The file or directory a download ClientRequest asks for, as a gzipped tar holding it under its own name. Accepted once, while the request is waiting for its reply.
requestBody:
required: true
content:
application/gzip: { schema: { type: string, format: binary } }
responses:
"204":
description: Received.
"404": { $ref: "#/components/responses/Error" }
/api/inbox/responses:
post:
operationId: respondInbox
description: >
Answers one or more items in one submission. Answers reach the agent as one message once
it is idle and none of its questions are unanswered.
requestBody:
required: true
content:
application/json:
schema: { $ref: "#/components/schemas/InboxRespond" }
responses:
"200":
description: The updated items.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/InboxItem" }
"400": { $ref: "#/components/responses/Error" }
"404": { $ref: "#/components/responses/Error" }
"409": { $ref: "#/components/responses/Error" }
/api/events:
get:
operationId: streamEvents
description: >
Server-sent events. Each event's id is its seq; data is the Event as JSON.
Events after Last-Event-ID (or the after query parameter) are replayed before live events.
With task_id, only that task's events are sent; with lead=true, only the events of the caller's lead agent.
Events with an owner go only to that user.
parameters:
- { name: Last-Event-ID, in: header, required: false, schema: { type: integer, format: int64 } }
- { name: after, in: query, required: false, schema: { type: integer, format: int64 } }
- { name: task_id, in: query, required: false, schema: { type: string } }
- { name: lead, in: query, required: false, schema: { type: boolean } }
responses:
"200":
description: Event stream.
content:
text/event-stream:
schema: { type: string }
"404": { $ref: "#/components/responses/Error" }
/api/admin/status:
get:
operationId: getStatus
responses:
"200":
description: Server health and usage.
content:
application/json:
schema: { $ref: "#/components/schemas/Status" }
/api/workflows:
get:
operationId: listWorkflows
responses:
"200":
description: Every workflow's name and description, by name.
content:
application/json:
schema:
type: array
items: { $ref: "#/components/schemas/WorkflowSummary" }
/api/workflows/{name}:
parameters:
- { name: name, in: path, required: true, schema: { type: string } }
get:
operationId: getWorkflow
responses:
"200":
description: "The workflow's file: its WorkflowDefinition as YAML, as an attachment named after it."
content:
application/yaml:
schema: { type: string }
"404": { $ref: "#/components/responses/Error" }
put:
operationId: putWorkflow
description: >
Creates or replaces the workflow from its file, a WorkflowDefinition as YAML (or JSON). The name is one line
of 1 to 100 characters. Tasks that already froze the workflow keep their copy.
requestBody:
required: true
content:
application/yaml:
schema: { type: string }
responses:
"200":
description: The stored workflow.
content:
application/json:
schema: { $ref: "#/components/schemas/WorkflowSummary" }
"400": { $ref: "#/components/responses/Error" }
delete:
operationId: deleteWorkflow
responses:
"204":
description: Deleted. Tasks that froze it keep their copy.
"404": { $ref: "#/components/responses/Error" }
components:
responses:
Error:
description: Error.
content:
application/json:
schema: { $ref: "#/components/schemas/Error" }
schemas:
Error:
type: object
required: [message]
properties:
message: { type: string }
User:
type: object
required: [login, display_name, git_name, git_email, notification_prefs, default_model]
properties:
login: { type: string }
display_name: { type: string }
git_name: { type: string }
git_email: { type: string }
notification_prefs: { $ref: "#/components/schemas/NotificationPrefs" }
default_model: { type: string, description: The model the app starts new tasks on. }
DefaultModel:
type: object
required: [model]
properties:
model: { type: string }
NotificationPrefs:
type: object
description: Which new inbox items and finished turns notify this user in their open byre pages.
required: [questions, reports, errors, rate_limits]
properties:
questions: { type: boolean, description: Questions. On by default. }
reports: { type: boolean, description: "Task turns that end with a summary (turn.ended with summary: true)." }
errors: { type: boolean, description: session_error items. }
rate_limits: { type: boolean, description: rate_limited items. }
UserUpdate:
type: object
required: [git_name, git_email]
properties:
git_name: { type: string }
git_email: { type: string }
Project:
type: object
required: [id, name, repo_path, default_branch, remote, created_by, created_at]
properties:
id: { type: string }
name: { type: string }
repo_path: { type: string }
default_branch: { type: string }
remote: { type: string }
created_by: { type: string }
created_at: { type: string, format: date-time }
ProjectCreate:
type: object
required: [name, repo_path]
properties:
name: { type: string }
repo_path: { type: string }
Task:
type: object
required: [id, project_id, title, merge_title, branch, worktree_path, base_ref, port_base, color, status, created_by, created_at, state, merging, discarding, merging_into_parent, merge_after_review, summary_seq]
properties:
id: { type: string }
project_id: { type: string }
title: { type: string }
merge_title: { type: string, description: "The title of the squash commit Merge makes: the task title until the agent sets another with set_merge_title." }
branch: { type: string }
worktree_path: { type: string }
base_ref: { type: string }
port_base: { type: integer, description: "The first of the task's block of ports (port_base to port_base+9), passed to its agent and terminal as PORT." }
color: { type: integer, description: "Index into the UI's task palette, assigned at creation: a colour no active task holds, the one given out longest ago." }
status:
type: string
enum: [active, merged, discarded]
x-enum-varnames: [TaskStatusActive, TaskStatusMerged, TaskStatusDiscarded]
created_by: { type: string }
created_at: { type: string, format: date-time }
closed_at: { type: string, format: date-time, description: When the task was merged or discarded. }
merge_commit: { type: string, description: "merged: the squash commit on the default branch; empty when there was nothing to merge." }
todo_item: { type: string, description: "The title of the TODO.md item the task was started from; absent for other tasks." }
forked_from: { type: string, description: "The task this one was forked from; absent for other tasks." }
forked_at: { type: integer, description: "With forked_from: the n of the snapshot it was forked at." }
merge_queued_at: { type: string, format: date-time, description: "When Merge was requested while another task in the project was merging; absent once the merge starts or when none is held." }
workflow: { type: string, description: "The name of the workflow the task froze at creation (getTaskWorkflow has its copy); absent for a task without one." }
workflow_run: { type: string, description: "With workflow: the id every task of one run of the workflow shares." }
workflow_stage: { type: string, description: "With workflow: the name of the stage this task runs." }
state:
type: string
description: "What the task is doing, kept by the store in the same transaction as every change to it (a task.state event carries each change): merged or discarded once closed, else discarding, merging, the state of its agent's latest live session when that isn't idle, reviewing while a review runs, review_pending between a turn's end and its snapshot's review starting or being skipped, idle, or no_agent."
enum: [running, idle, review_pending, reviewing, merging, discarding, merged, discarded, no_agent]
x-enum-varnames: [TaskStateRunning, TaskStateIdle, TaskStateReviewPending, TaskStateReviewing, TaskStateMerging, TaskStateDiscarding, TaskStateMerged, TaskStateDiscarded, TaskStateNoAgent]
merging: { type: boolean, description: "Whether a Merge was started and hasn't finished: its turn is running, or the turn ended and byre is squashing, pushing and closing the task." }
discarding: { type: boolean, description: "Whether a Discard was started and the task isn't closed yet: its summary turn is waiting for the running turn, running, or done and the task is being removed." }
parent_task_id: { type: string, description: "The task whose agent created this one as its subtask; absent for other tasks." }
merging_into_parent: { type: boolean, description: "Whether a merge of this subtask into its parent was requested and the parent hasn't merged it yet." }
merge_after_review: { type: boolean, description: "Whether a Merge with after_review is waiting for the running review of the latest snapshot to finish." }
summary_seq: { type: integer, format: int64, description: "The seq of the task's latest turn.ended event with summary: true; 0 when it has none." }
Todo:
type: object
required: [exists, items]
properties:
exists: { type: boolean, description: Whether the default branch has a TODO.md at its root. }
items:
type: array
items: { $ref: "#/components/schemas/TodoItem" }
TodoItem:
type: object
required: [title, body, section]
properties:
title: { type: string, description: "The item's first line, without its list marker: the item's identity." }
body: { type: string, description: The item's further lines, as Markdown with the item's indentation removed. }
section: { type: string, description: The text of the nearest heading above the item; empty when there is none. }
TodoStart:
type: object
required: [title]
properties:
title: { type: string, description: The title of the item to start. }
model: { type: string }
discuss: { type: boolean, description: "Tell the agent the human wants to discuss the item in chat before anything is built." }
Unmerged:
type: object
required: [commits, files, insertions, deletions, uncommitted]
properties:
commits: { type: integer, description: Commits on the task branch that aren't on the default branch. }
files: { type: integer, description: Files that differ from the merge base, uncommitted changes included. }
insertions: { type: integer }
deletions: { type: integer }
uncommitted: { type: integer, description: Paths with uncommitted changes in the worktree. }
Participant:
type: object
required: [login, display_name, git_name, git_email]
properties:
login: { type: string }
display_name: { type: string }
git_name: { type: string, description: Empty when the user hasn't set a git identity; they then get no trailer. }
git_email: { type: string }
TaskCreate:
type: object
required: [title]
properties:
title: { type: string }
prompt:
type: string
description: Starts the task's agent with this as its first message, in the same request. Not with workflow.
model: { type: string, description: The agent's model when prompt is given. }
workflow:
type: string
description: >
The name of a saved workflow to run instead of creating one task with no agent: each stage with no after
stages becomes its own task, titled "<title>: <stage>", with the title as the run's brief. The response is
the first of those tasks.
WorkflowSummary:
type: object
required: [name, description]
properties:
name: { type: string }
description: { type: string }
WorkflowDefinition:
type: object
description: >
A workflow's file, which holds everything but its name: its stages, each run as its own task once the stages
it comes after have finished. Sent and returned as YAML.
required: [stages]
properties:
description: { type: string, x-go-type-skip-optional-pointer: true }
stages:
type: array
minItems: 1
items: { $ref: "#/components/schemas/Stage" }
Stage:
type: object
required: [name, model, prompt]
properties:
name: { type: string, description: "One line of 1 to 100 characters, unique within the workflow." }
after:
type: array
items: { type: string }
description: >
The stages whose outputs this stage gets, by name; it starts once all of them have finished. Absent means
the previous stage in the list (for the first stage, none); empty means it starts from the brief.
base:
type: string
enum: [parent, main]
x-enum-varnames: [StageBaseParent, StageBaseMain]
description: >
Where the stage's task branches from. parent (the default): the commit its one after stage finished at, or
for a stage with none, where the workflow was started from. main: the project's default branch. Refused on
a stage with more than one after stage, which always branches from the default branch.
model: { type: string, description: "The stage agent's model, which also picks its vendor: gpt-* models run on Codex, every other model on Claude Code." }
prompt: { type: string, description: "The stage agent's instructions." }
TaskWorkflow:
type: object
description: The workflow a task froze when it was created, as it was then.
required: [name, definition]
properties:
name: { type: string }
definition: { type: string, description: The WorkflowDefinition as YAML. }
WorkflowRun:
type: object
required: [name, run, title, brief, definition, finished, stages]
properties:
name: { type: string }
run: { type: string }
title: { type: string }
brief: { type: string }
definition: { $ref: "#/components/schemas/WorkflowDefinition" }
finished: { type: boolean, description: "Whether the final stage finished, which ends the run." }
stages:
type: array
description: In the definition's order.
items: { $ref: "#/components/schemas/WorkflowRunStage" }
WorkflowRunStage:
type: object
required: [name, after, state, waiting_on, attempts]
properties:
name: { type: string }
after:
type: array
description: The stages it comes after, with the definition's defaults applied.
items: { type: string }
state:
type: string
enum: [waiting, running, idle, finished, merged, discarded, cleaned_up]
x-enum-varnames: [StageStateWaiting, StageStateRunning, StageStateIdle, StageStateFinished, StageStateMerged, StageStateDiscarded, StageStateCleanedUp]
description: >
waiting: no task yet. Otherwise the state of its latest finished attempt, or of its latest attempt when
none has finished.
waiting_on:
type: array
description: The after stages with no finished attempt yet.
items: { type: string }
attempts:
type: array
description: The tasks that ran the stage (the first, and forks of it), oldest first.
items: { $ref: "#/components/schemas/StageAttempt" }
StageAttempt:
type: object
required: [task_id, title, state, discarding, inputs]
properties:
task_id: { type: string }
title: { type: string }
state:
type: string
enum: [running, idle, finished, merged, discarded, cleaned_up]
x-enum-varnames: [AttemptStateRunning, AttemptStateIdle, AttemptStateFinished, AttemptStateMerged, AttemptStateDiscarded, AttemptStateCleanedUp]
description: >
running: its agent is mid-turn. idle: active, and finish_stage hasn't taken. finished: active, its output
recorded. merged. discarded: discarded before finishing. cleaned_up: discarded after finishing, as byre
does to the run's other tasks when the final stage finishes.
discarding: { type: boolean, description: "Whether a Discard was started and the task isn't closed yet." }
forked_from: { type: string, description: "The task this attempt was forked from; absent for the stage's first attempt." }
output: { type: string, description: "The finish_stage output the stages after it get; absent until it finishes." }
commit: { type: string, description: "With output: the commit the stage finished at." }
discarded_by: { type: string, description: "discarded and cleaned_up: who discarded it; byre for the cleanup." }
inputs:
type: array
description: "The attempts whose outputs it started from, one per after stage; a fork has its source's."
items: { $ref: "#/components/schemas/StageInput" }
StageInput:
type: object
required: [stage, task_id]
properties:
stage: { type: string }
task_id: { type: string }
TaskChanges:
type: object
required: [base, tree, files]
properties:
base: { type: string, description: "The commit or tree compared with: the merge-base of the task branch and the default branch, since, or the previous snapshot's tree." }
tree: { type: string, description: "Tree of the worktree as if everything were staged, or the snapshot's tree." }
files:
type: array
items: { $ref: "#/components/schemas/FileChange" }
FileChange:
type: object
required: [path, status, additions, deletions, binary]
properties:
path: { type: string }
old_path: { type: string, description: "renamed: the path before the rename." }
status: { type: string, enum: [added, modified, deleted, renamed, type_changed] }
additions: { type: integer }
deletions: { type: integer }
binary: { type: boolean }
FileDiff:
type: object
required: [path, patch]
properties:
path: { type: string }
patch: { type: string }
DirListing:
type: object
required: [path, entries, truncated]
properties:
path: { type: string, description: "The directory, relative to the worktree root; empty for the root." }
entries:
type: array
items: { $ref: "#/components/schemas/DirEntry" }
truncated: { type: boolean, description: The directory has more entries than were returned. }
DirEntry:
type: object
required: [name, type, symlink, size, ignored]
properties:
name: { type: string }
ignored: { type: boolean, description: "git ignores the entry: .gitignore and the other exclude files match it or a directory above it." }
type:
type: string
enum: [dir, file, other]
x-enum-varnames: [DirEntryTypeDir, DirEntryTypeFile, DirEntryTypeOther]
description: "What the entry is, following a symlink that stays in the worktree. other: a symlink that leaves the worktree or points nowhere, or a device, socket or pipe."
symlink: { type: boolean }
size: { type: integer, format: int64, description: "file: its size in bytes." }
FileContent:
type: object
required: [path, size, binary, truncated, text]
properties:
path: { type: string }
size: { type: integer, format: int64 }
binary: { type: boolean, description: The file isn't UTF-8 text; text is empty. }
truncated: { type: boolean, description: "text holds only the start of the file." }
text: { type: string }
Snapshot:
type: object
required: [id, task_id, agent_session_id, n, commit_sha, tree_sha, event_seq, trigger, created_at]
properties:
id: { type: string }
task_id: { type: string }
agent_session_id: { type: string }
n: { type: integer, description: "Position in the task's snapshots, from 1; the ref is refs/byre/tasks/{task_id}/snap/{n}." }
commit_sha: { type: string, description: A commit of tree_sha whose parent is the worktree's HEAD when it was taken. }
tree_sha: { type: string }
event_seq: { type: integer, format: int64, description: "The task's latest event when the snapshot was started: the tree holds at least the work up to it." }
trigger:
type: string
enum: [message, turn_end, tool_call, ask_human, timer, requested]
x-enum-varnames: [SnapshotTriggerMessage, SnapshotTriggerTurnEnd, SnapshotTriggerToolCall, SnapshotTriggerAskHuman, SnapshotTriggerTimer, SnapshotTriggerRequested]
description: "turn_end: after byre's end-of-turn commit. requested: a task's agent or the lead asked for it with take_snapshot. message (the agent wrote text after one or more tool calls), tool_call, ask_human and timer appear only on snapshots taken by earlier builds."
created_at: { type: string, format: date-time }
Preview:
type: object
required: [task_id, name, port, created_at]
properties:
task_id: { type: string }
name: { type: string }
port: { type: integer, description: "A port in the task's block, served at https://<byre's host>:<port>/." }
created_at: { type: string, format: date-time }
Review:
type: object
description: An agent session on the vendor the task's agent doesn't use, reviewing one snapshot's change.
required: [id, task_id, snapshot_n, agent_session_id, vendor, model, state, error, created_at, finding_states]
properties:
id: { type: string }
task_id: { type: string }
snapshot_n: { type: integer }
agent_session_id: { type: string, description: "The reviewer's session; empty when skipped." }
vendor: { type: string, description: "Empty when skipped." }
model: { type: string, description: "Empty when skipped." }
state:
type: string
enum: [running, done, failed, skipped]
x-enum-varnames: [ReviewStateRunning, ReviewStateDone, ReviewStateFailed, ReviewStateSkipped]
description: "skipped: the snapshot's step changed no files, so no reviewer ran."
result: { type: object, description: "done: the reviewer's submit_review arguments: summary (Markdown) and findings, each with severity, category, title, detail, path and line." }
error: { type: string, description: "failed: why." }
created_at: { type: string, format: date-time }
finished_at: { type: string, format: date-time }
finding_states:
type: object
description: "How the human addressed each finding, keyed by its index in result.findings; a finding not listed is open."
additionalProperties: { $ref: "#/components/schemas/FindingState" }
FindingState:
type: string
enum: [fixed, ignored]
x-enum-varnames: [FindingFixed, FindingIgnored]
description: "fixed: sent to the task's agent to fix. ignored: dismissed, and left out of the Merge warning."
FindingStateUpdate:
type: object
required: [state]
properties:
state: { $ref: "#/components/schemas/FindingState" }
AgentSession:
type: object
required: [id, task_id, owner, vendor, model, vendor_session_id, state, role, created_by, created_at, subagents]
properties:
id: { type: string }
task_id: { type: string, description: Empty for a lead session. }
owner: { type: string, description: "The login whose lead agent this is; empty for a task's session." }
vendor: { type: string, enum: [claude, codex], description: "Follows from the model the session was created with: gpt-* models run on Codex, every other model on Claude Code." }
model: { type: string, description: "Requested model; empty means the vendor's default. A session only switches between its own vendor's models." }
vendor_session_id: { type: string, description: "Claude Code's session id, chosen by byre; or the Codex thread id, empty until the session's first turn starts its thread." }
state:
type: string
enum: [idle, running, completed]
x-enum-varnames: [AgentSessionStateIdle, AgentSessionStateRunning, AgentSessionStateCompleted]
role: { type: string, enum: [implementer, lead, reviewer], description: "reviewer: a review's session (see Review); a task's sessions list leaves these out." }
created_by: { type: string }
created_at: { type: string, format: date-time }
forked_from: { type: string, description: "A fork's first start resumes this vendor session, cut at forked_at, under a new vendor_session_id; absent for other sessions." }
forked_at: { type: string, description: "With forked_from: the vendor's id of the last thing the fork keeps, a message for Claude Code, a turn for Codex." }
subagents: { type: integer, description: "How many of the agent's subagents are running, background ones included after the turn that started them has ended." }
SessionCreate:
type: object
required: [prompt]
properties:
prompt: { type: string }
model: { type: string }
images:
type: array
items: { type: string }
description: Blob ids from uploadBlob, sent to the agent as images alongside the prompt.
MessageCreate:
type: object
required: [text]
properties:
text: { type: string, description: May be empty when images are given. }
images:
type: array
items: { type: string }
description: Blob ids from uploadBlob, sent to the agent as images alongside the text.
model:
type: string
description: Model for this turn and later ones. When it differs from the session's model, the session switches before the message is sent.
CompactCreate:
type: object
properties:
model:
type: string
description: Model for the new session, on either vendor. The old session still writes the handoff. Defaults to the old session's model.
Blob:
type: object
required: [id, content_type, created_by, created_at]
properties:
id: { type: string }
content_type: { type: string }
created_by: { type: string }
created_at: { type: string, format: date-time }
Attachment:
type: object
required: [kind]
properties:
kind: { type: string, enum: [file, diff, image, diagram, task, snapshot, url] }
path: { type: string, description: "file: repo-relative path. image: an image file in the task's worktree, absolute or relative to it." }
start_line: { type: integer }
end_line: { type: integer }
ref: { type: string, description: "diff: git revision range." }
url: { type: string }
mermaid: { type: string, description: "diagram: Mermaid source." }
image: { type: string, description: "image: data URL." }
task_id: { type: string }
snapshot_id: { type: string }
caption: { type: string }
InboxState:
type: string
enum: [open, answered, dismissed, superseded]
InboxItem:
type: object
required: [id, project_id, task_id, agent_session_id, thread_id, kind, payload, state, created_at, responses]
properties:
id: { type: string }
project_id: { type: string }
task_id: { type: string }
agent_session_id: { type: string }
thread_id: { type: string }
kind: { type: string, enum: [question, session_error, rate_limited] }
payload:
type: object
description: >
question: context (Markdown with the choices inline as `- ( ) text` / `- (*) text` pick-one or `- [ ] text` / `- [x] text` pick-any list items),
question, why_blocked, options (each choice's text, in order), multiple (true for pick-any), recommended (the marked choices' text), attachments.
session_error: error.
rate_limited: vendor, rate_limit (the vendor's rate-limit status), error.
state: { $ref: "#/components/schemas/InboxState" }
created_at: { type: string, format: date-time }
resolved_by: { type: string }
resolved_at: { type: string, format: date-time }
responses:
type: array
items: { $ref: "#/components/schemas/InboxResponse" }
InboxResponseType:
type: string
enum: [option, other, dismiss]
InboxResponse:
type: object
required: [id, item_id, user, type, images, attachments, created_at]
properties:
id: { type: string }
item_id: { type: string }
user: { type: string }
type: { $ref: "#/components/schemas/InboxResponseType" }
options:
type: array
items: { type: string }
text: { type: string }
images:
type: array
items: { type: string }
description: Blob ids sent to the agent as images alongside the response.
attachments:
type: array
items: { $ref: "#/components/schemas/Attachment" }
created_at: { type: string, format: date-time }
delivered_at: { type: string, format: date-time }
InboxResponseCreate:
type: object
required: [item_id, type]
properties:
item_id: { type: string }
type: { $ref: "#/components/schemas/InboxResponseType" }
options:
type: array
items: { type: string }
description: "option: the chosen options; exactly one for a pick-one question, one or more for a pick-any question."
text: { type: string, description: "other: the text sent to the agent, which may be empty when images are given. option on a pick-any question: optional text sent along with the checked options." }
images:
type: array
items: { type: string }
description: "other, or option on a pick-any question: blob ids from uploadBlob, sent to the agent as images alongside the response."
attachments:
type: array
items: { $ref: "#/components/schemas/Attachment" }
InboxRespond:
type: object
required: [responses]
properties:
responses:
type: array
minItems: 1
items: { $ref: "#/components/schemas/InboxResponseCreate" }
Event:
type: object
required: [seq, kind, actor, payload, created_at]
properties:
seq: { type: integer, format: int64 }
kind: { type: string }
project_id: { type: string }
task_id: { type: string }
agent_session_id: { type: string }
owner: { type: string, description: "Set on a lead agent's events and a user's focus.updated: the login they belong to. Only that user is sent them." }
actor: { type: string }
payload: { type: object }
created_at: { type: string, format: date-time }
EventPage:
type: object
required: [events, more]
properties:
events:
type: array
items: { $ref: "#/components/schemas/Event" }
more: { type: boolean, description: "Whether there are earlier events than this page." }
Focus:
type: object
required: [tabs, tab]
properties:
project_id: { type: string, description: The project the right pane shows; the task's project when task_id is set, absent for none. }
task_id: { type: string, description: The task the right pane shows; absent for none. }
tabs:
type: array
description: The tabs the lead put first, in order. The other task tabs follow them.
items: { $ref: "#/components/schemas/TaskTab" }
tab: { $ref: "#/components/schemas/TaskTab" }
LeadNote:
type: object
required: [id, text, created_at, updated_at]
properties:
id: { type: string }
text: { type: string }
project_id: { type: string, description: "The project the note applies to; absent for a note that applies to every project." }
created_at: { type: string, format: date-time }
updated_at: { type: string, format: date-time }
SummaryRead:
type: object
required: [seq]
properties:
seq: { type: integer, format: int64, description: "The seq of the turn.ended event whose summary was shown." }
PaneFocus:
type: object
required: [focused, drafting]
properties:
focused: { type: boolean, description: True while the app's window has focus and the focused element is inside the right pane. }
drafting: { type: boolean, description: True while a text box in the right pane holds unsent text. }
TaskTab:
type: string
enum: [transcript, changes, files, terminal, inbox, reviews, workflow, project]
x-enum-varnames: [TabTranscript, TabChanges, TabFiles, TabTerminal, TabInbox, TabReviews, TabWorkflow, TabProject]
TerminalSize:
type: object
required: [cols, rows]
properties:
cols: { type: integer, minimum: 1 }
rows: { type: integer, minimum: 1 }
Status:
type: object
required: [started_at, db_bytes, last_event_seq, projects, active_tasks, sse_clients, clients, live_agents, running_turns, rate_limits, agent_processes, zombies, stuck_after_seconds, protocol_errors]
properties:
live_agents: { type: integer, description: Agent processes currently running. }
agent_processes:
type: array
description: Every agent process byre is tracking, idle sessions included.
items: { $ref: "#/components/schemas/AgentProcess" }
zombies:
type: array
description: Sessions marked running with no live process, and agent processes byre has no session for.
items: { $ref: "#/components/schemas/Zombie" }
stuck_after_seconds: { type: integer, description: How long a running turn may go without a stream event before it counts as stuck. }
protocol_errors: { $ref: "#/components/schemas/ProtocolErrors" }
running_turns:
type: array
description: Turns running now, oldest session first.
items: { $ref: "#/components/schemas/TurnRef" }
rate_limits:
type: object
description: The latest rate-limit status each vendor reported, keyed by vendor.
additionalProperties: { type: object }
started_at: { type: string, format: date-time }
db_bytes: { type: integer, format: int64 }
last_event_seq: { type: integer, format: int64 }
projects: { type: integer }
active_tasks: { type: integer }
sse_clients: { type: integer }
clients:
type: array
description: Each distinct user, Mac and app build with an open event stream, oldest connection first.
items: { $ref: "#/components/schemas/ConnectedClient" }
ConnectedClient:
type: object
required: [login, host, commit, connected_at]
properties:
login: { type: string }
host: { type: string, description: The Mac's name from its Byre-Host header; empty when the client sent none. }
commit: { type: string, description: The git commit the app was built from, from its Byre-Commit header; empty when the client sent none. }
connected_at: { type: string, format: date-time, description: When the client's oldest open stream connected. }
last_action_at: { type: string, format: date-time, description: When byre last received a request the human made from this client since byre started; absent when none. }
ClientRequest:
type: object
required: [id, op]
description: Work a task agent asks a connected Mac to do, sent over /api/clients/connect.
properties:
id: { type: string }
op: { type: string, enum: [bash, upload, download, read_file, write_file, hands] }
command: { type: string, description: "bash: run with zsh as a login shell in the home directory, in its own process group." }
timeout_ms: { type: integer, description: "bash: kill the process group after this long." }
transfer: { type: string, description: "upload: the transfer id to get from /api/clients/transfers/{transferId}. download: the transfer id to put the archive to." }
dest: { type: string, description: "upload: where the archive's one entry ends up, absolute or starting with ~/; whatever is there is replaced." }
path: { type: string, description: "download, read_file, write_file: the file (or, for download, file or directory) on the client, absolute or starting with ~/." }
data: { type: string, format: byte, description: "write_file: the file's new contents; parent directories are created." }
tool: { type: string, description: "hands: the byre-hands tool to call." }
arguments:
type: object
additionalProperties: true
description: "hands: the tool's arguments."
ClientReply:
type: object
required: [id]
properties:
id: { type: string, description: The request's id. }
error: { type: string, description: Set when the request couldn't be carried out. }
exit_code: { type: integer, description: "bash: the exit status, -1 when it was killed by its timeout." }
output: { type: string, description: "bash: stdout and stderr together, at most their last 64 KiB." }
data: { type: string, format: byte, description: "read_file: the file's contents." }
result:
type: object
additionalProperties: true
description: "hands: the tool's MCP CallToolResult."
TurnRef:
type: object
required: [session_id, task_id, vendor]
properties:
session_id: { type: string }
task_id: { type: string }
vendor: { type: string }
AgentProcess:
type: object
required: [session_id, task_id, vendor, pid, state, last_event_at, health]
properties:
session_id: { type: string }
task_id: { type: string }
vendor: { type: string }
pid: { type: integer }
state: { type: string, description: The session's state, as on AgentSession. }
last_event_at: { type: string, format: date-time, description: When the process last wrote a line to its stream, or when it started. }
health:
type: string
enum: [ok, stuck, exited]
x-enum-varnames: [HealthOk, HealthStuck, HealthExited]
description: stuck means a turn is running and no stream event has arrived for stuck_after_seconds; exited means the process is gone.
Zombie:
type: object
required: [kind, detail]
properties:
kind:
type: string
enum: [running_without_process, process_without_session]
detail: { type: string }
session_id: { type: string }
task_id: { type: string }
pid: { type: integer }
ProtocolErrors:
type: object
required: [counts, recent]
properties:
counts:
type: object
description: Stream lines the adapter couldn't parse or didn't recognise since byre started, keyed by vendor.
additionalProperties: { type: integer }
recent:
type: array
description: The most recent ones, newest first.
items: { $ref: "#/components/schemas/ProtocolError" }
ProtocolError:
type: object
required: [vendor, session_id, at, reason, raw, size]
properties:
vendor: { type: string }
session_id: { type: string }
at: { type: string, format: date-time }
reason: { type: string }
raw: { type: string, description: The line as received, cut to its first 4 KiB. }
size: { type: integer, description: The line's full length in bytes. }