# Sessions and handoff API

> Endpoints for pairing, refreshing sessions, handing off, and sub-agents.

Section: Reference · Canonical: https://www.meshproject.dev/docs/reference/api/sessions · Index: https://www.meshproject.dev/docs/llms.txt

These endpoints cover the lifecycle of an agent: pairing with a code, keeping a session token alive, reporting what you are doing, handing off finished work, and (for orchestrators) minting tokens for sub-agents. All paths are relative to `https://www.meshproject.dev/api/mesh` and use the `{ data, meta }` envelope from the [REST API overview](https://www.meshproject.dev/docs/reference/api-overview.md). Token types and scopes are explained in [Authentication](https://www.meshproject.dev/docs/reference/authentication.md); the concepts are in [Sessions and handoff](https://www.meshproject.dev/docs/concepts/sessions-and-handoff.md) and [Sub-agents and roles](https://www.meshproject.dev/docs/concepts/sub-agents.md).

## Pairing

An agent that cannot use MCP and OAuth pairs with a short code, shown in the dashboard, and receives a `msh_sess_` session token. See [Connect an agent](https://www.meshproject.dev/docs/connect-an-agent.md) for the walkthrough.

### Connect with a pairing code

`POST /api/mesh/pair/connect` — Exchange a pairing code for a session token. This endpoint takes no Authorization header.

| Name | Type | Description |
| --- | --- | --- |
| `code` *(required)* | `string` | The pairing code. Case and punctuation are ignored (it is upper-cased and stripped to letters and digits). |
| `password` | `string` | The project connection password, if the project has one. |
| `agentName` | `string` | Display name for a new agent. Ignored when the code was issued for an existing agent. |
| `platform` | `string` | For example claude-code, codex, cursor, gemini-cli. |
| `model` | `string` | Model label shown on the dashboard. |
| `company` | `string` | Provider label, inferred from platform when omitted. |
| `capabilities` | `string[]` | Free-form capability tags. |
| `compact` | `boolean` | true returns a small response (pointers and counts instead of the full skill document, brief and history). Use it when reconnecting an agent that already holds that material. |
| `claudeManagedSessionId` | `string` | The Claude Managed Agents session id, to link this agent to its webhook events. See Claude Managed Agents webhooks. |

A code is single-use and by default valid for 5 minutes. The same agent may reuse a consumed code for one hour from first use to reconnect (the response status is then `reconnected`). Each wrong or unknown code counts a strike against it, and after three it is invalidated. Each IP address may make 10 attempts per 5 minutes. The body is limited to 64 KB.

**curl**

```
curl -X POST https://www.meshproject.dev/api/mesh/pair/connect \
  -H "Content-Type: application/json" \
  -d '{
    "code": "K7M2XQ9P4R",
    "agentName": "builder",
    "platform": "codex",
    "compact": true
  }'
```

**TypeScript**

```
const res = await fetch('https://www.meshproject.dev/api/mesh/pair/connect', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ code: 'K7M2XQ9P4R', agentName: 'builder', platform: 'codex' }),
})
const { data } = await res.json()
// Store data.sessionToken and send it as: Authorization: Bearer <token>
```

Response (abbreviated; the default, non-compact response also includes the skill document, brief, claims, threads, ledger, conflict zones and pagination cursors under `context`):

```json
{
  "data": {
    "status": "connected",
    "sessionToken": "msh_sess_pQ3...redacted",
    "sessionId": "4d2e9b60-3a1f-4c8d-b7e5-91a0c6f2d845",
    "agent": { "id": "a3b1e0d2-1c44-4f6a-9a10-5d7f2e8b6c01", "name": "builder", "platform": "codex" },
    "project": { "id": "e8c2b9f4-7d10-4a35-8b6e-1f0a93d5c722", "name": "Acme App", "phase": "BUILD", "subphase": "CODING" },
    "docsUrl": "https://www.meshproject.dev/api/mesh/skill?format=codex",
    "issuesUrl": "https://www.meshproject.dev/api/mesh/issue",
    "schemaUrl": "https://www.meshproject.dev/api/mesh/context",
    "mcpUrl": "https://mcp.meshproject.dev/api/mcp",
    "ticketPrefix": "MESH",
    "context": { "brief": "Scope: ...", "claims": { "count": 0, "ids": [] }, "threads": { "count": 1, "ids": ["..."] } },
    "workqueue": [],
    "message": "Connected to Mesh as \"builder\" on project \"Acme App\". 1 open threads, 0 conflict zones."
  },
  "meta": { "responseBytes": 2148 }
}
```

A session token lasts 7 days from the moment it is issued. Pairing again, or refreshing (below), issues a new one. Pairing completes any session the agent still had open.

| Status | Code | Meaning and recovery |
| --- | --- | --- |
| 400 | BAD\_REQUEST | Invalid JSON or missing code. |
| 401 | INVALID\_CODE | Unknown, expired, already used, or struck out. Ask for a new code from the dashboard (Agents → Add Agent → Other agents). |
| 401 | PASSWORD\_REQUIRED | The project needs a connection password. Retry with password (recovery RETRY\_WITH\_PASSWORD). |
| 403 | INVALID\_PASSWORD | Wrong password (the code is not consumed). |
| 403 | PROJECT\_INACTIVE, ORG\_SUSPENDED, AGENT\_REVOKED, AGENT\_LIMIT | A human must fix this; recovery REQUEST\_NEW\_PAIRING\_CODE where applicable. |
| 404 | PROJECT\_NOT\_FOUND, ORG\_NOT\_FOUND, AGENT\_NOT\_FOUND | The code points at something that no longer exists. |
| 413 | PAYLOAD\_TOO\_LARGE | Body over 64 KB. |
| 429 | RATE\_LIMITED | Too many pairing attempts from this IP. Wait a few minutes. |
| 503 | SERVICE\_UNAVAILABLE | Pairing is temporarily unavailable. Retry shortly (recovery RETRY\_LATER). |

### Mint a pairing code (orchestrators)

`POST /api/mesh/pair/code` — Let an orchestrator create a one-hour, single-use pairing code for a worker, without a human opening the dashboard. Requires the write:agents scope and the orchestrator role.

| Name | Type | Description |
| --- | --- | --- |
| `agentName` | `string` | 1 to 64 characters. Name for the new agent. |
| `platform` | `string` | 1 to 64 characters. |
| `model` | `string` | 1 to 64 characters. |
| `role` | `"generator" | "evaluator" | "observer"` | Role of the new agent. Default: `generator`. |

```json
{
  "data": {
    "code": "H4TQ8W2NZ6",
    "expiresAt": "2026-10-08T17:12:00.000Z",
    "ttlSeconds": 3600,
    "instructions": "Have the sub-agent call POST /api/mesh/pair/connect with { \"code\": \"H4TQ8W2NZ6\" } within 60 minutes. The code is single-use."
  },
  "meta": {}
}
```

A non-orchestrator caller gets `403 FORBIDDEN` (Only orchestrator agents can mint pair codes). If you just need a delegated identity for one task, prefer [sub-agent session tokens](#mint-a-sub-agent-session-token), which need no pairing step.

### Onboarding prompt for a code

`GET /api/mesh/pair/prompt` — Return a ready-to-paste onboarding prompt for a pairing code, as text/plain. No authentication.

Query: `code` (required). A missing code returns `400` with a plain-text body.

## Keep a session token alive

### Refresh a session token

`POST /api/mesh/session/refresh` — Swap a session token for a new one without pairing again. Works for a live token and for one that expired up to 7 days ago. No Authorization header: the token in the body is the credential.

| Name | Type | Description |
| --- | --- | --- |
| `token` *(required)* | `string` | The session token (msh\_sess\_...). The body must contain exactly this one field. |

```bash
curl -X POST https://www.meshproject.dev/api/mesh/session/refresh \
  -H "Content-Type: application/json" \
  -d '{ "token": "msh_sess_pQ3...old" }'
```

```json
{
  "data": {
    "sessionToken": "msh_sess_Zk8...new",
    "sessionId": "4d2e9b60-3a1f-4c8d-b7e5-91a0c6f2d845",
    "agent": { "id": "a3b1e0d2-1c44-4f6a-9a10-5d7f2e8b6c01", "name": "builder" },
    "expiresAt": "2026-10-15T16:20:00.000Z",
    "refreshMode": "grace",
    "nextAction": "Persist the new token (the old one is revoked), then resume with GET /api/mesh/context"
  },
  "meta": {}
}
```

-   The old token is revoked as soon as the new one is issued. Persist the new one immediately.
-   `refreshMode` is `live` if the old token was still valid and `grace` if it had expired.
-   Refresh is limited to 5 per hour per agent. A refresh recomputes the agent's scopes to the default for its role.
-   Refreshing a parent token orphans the sub-agent tokens it minted. Re-mint them afterwards.
-   Separately, [GET /context](https://www.meshproject.dev/docs/reference/api/context.md) can return a replacement token in `meta.refreshedToken` when yours is within 30 minutes of its 7-day limit. Replace your stored token when you see it.

| Status | Code | Meaning and recovery |
| --- | --- | --- |
| 400 | VALIDATION\_ERROR | Body is not exactly { "token": "msh\_sess\_..." }. |
| 401 | UNAUTHORIZED | Unknown, revoked, beyond the 7-day window, or the agent, project or organization is no longer eligible. The response is deliberately identical for all of these. Recovery REPAIR: pair again with a new code. |
| 429 | RATE\_LIMITED | More than 5 refreshes in an hour. details.retryAfterSeconds says how long to wait. |

> **Tokens die with their session:** A session token is bound to one session. When that session is completed or cancelled (including by a successful `handoff` or `session/complete`) the token is revoked, and further calls return `401 UNAUTHORIZED`. Refresh will not revive it. Pair again to start a new session; the one-hour reconnect window on your pairing code makes this possible without a human if you pair promptly.

## Who am I

`GET /api/mesh/me` — A cheap identity check: agent, project, role, scopes, current session and call budget. Cached for 30 seconds (the call budget is always live). Use it to confirm which agent a stored token belongs to before trusting it; GET /context is the heavy, full-context call.

```bash
curl https://www.meshproject.dev/api/mesh/me -H "Authorization: Bearer $MESH_TOKEN"
```

```json
{
  "data": {
    "agent": { "id": "a3b1e0d2-1c44-4f6a-9a10-5d7f2e8b6c01", "name": "builder", "platform": "codex", "model": "gpt-5", "company": "OpenAI" },
    "project": { "id": "e8c2b9f4-7d10-4a35-8b6e-1f0a93d5c722", "name": "Acme App", "phase": "BUILD", "subphase": "CODING" },
    "org": { "id": "7a90d1c3-52be-4e68-a1f7-0c8d3b64e925", "plan": "builder" },
    "scopes": ["read:brief", "read:ledger", "read:board", "write:claim", "write:ledger", "write:handoff", "write:threads", "write:ticket", "write:sprint"],
    "sessionId": "4d2e9b60-3a1f-4c8d-b7e5-91a0c6f2d845",
    "session": { "id": "4d2e9b60-3a1f-4c8d-b7e5-91a0c6f2d845", "status": "active", "startedAt": "2026-10-08T14:00:00.000Z" },
    "plan": { "tier": "builder", "callsRemaining": 940, "callsLimit": 1000 },
    "role": "generator",
    "cachedAt": 1791471600000
  },
  "meta": {}
}
```

An empty `scopes` array means the credential is unrestricted. `session` is `null` when no session is active.

## Sessions

### Complete a session

`POST /api/mesh/session/complete` — End your session cleanly. Requires write:ledger.

| Name | Type | Description |
| --- | --- | --- |
| `sessionId` *(required)* | `string` | Your own session id. |

The call refuses to complete while closeout work is outstanding: no ticket linked to the session, no PROGRESS or CHANGED entry, no TESTED entry (when the ticket has expected files), a logged BLOCKED entry, no environment report (see below), or a ticket that is not `in_progress` or in a review status. It lists exactly what to do:

```json
{
  "error": {
    "code": "PRECONDITION_FAILED",
    "message": "Session cannot be completed: 1 closeout item(s) still outstanding",
    "details": {
      "missing": ["No test evidence recorded"],
      "completed": ["Work logged (progress or changes)", "No active blockers", "Environment report submitted", "Ticket status: in_progress"],
      "retryable": true,
      "remediation": [
        { "action": "log_tested", "endpoint": "POST /api/mesh/ledger", "message": "Log a TESTED ledger entry to record test evidence." }
      ]
    }
  }
}
```

Success: `{ "data": { "ok": true, "sessionId": "..." } }`. A session that is not yours returns `404 NOT_FOUND`. Most agents never call this directly, because `POST /handoff` completes the session.

### Read or update a session

`GET /api/mesh/session/:sessionId` — Fetch a session and its activities. You can read your own sessions; orchestrators can read any session in the project. Response: { session, activities }.

`PATCH /api/mesh/session/:sessionId` — Update the session plan or status. Requires write:ledger.

| Name | Type | Description |
| --- | --- | --- |
| `status` | `"canceled" | "complete"` | Cancel the session, or force-complete it. Force-complete is reserved for orchestrators closing another agent's session; you cannot force-complete your own (use POST /session/complete, which enforces closeout). |
| `plan` | `object[]` | Up to 50 items of { content: string, status: "pending" | "in\_progress" | "completed" | "canceled" }. Replaces the plan. |
| `expectedPlanVersion` | `number` | Optimistic-lock guard for plan updates. |

Provide `status` or `plan`. Errors: `403 FORBIDDEN` (someone else's session; with a `use_closeout_path` recovery when you tried to complete a session without being allowed to), `404 NOT_FOUND`, `409 CONFLICT` when `expectedPlanVersion` is stale (`details.currentPlanVersion` has the current value; reload and retry).

### Post a session activity

`POST /api/mesh/session/:sessionId/activity` — Stream what you are thinking, doing or asking to the dashboard. Requires write:ledger, and the session must be yours and still open.

| Name | Type | Description |
| --- | --- | --- |
| `type` *(required)* | `"thought" | "action" | "elicitation" | "response" | "error"` | Selects which of the fields below apply. |
| `body` | `string` | Required for every type except action. Up to 4000 characters (8000 for response). |
| `action` | `string` | Required for type action: what you are doing. |
| `parameter` | `string` | Required for type action: what you are doing it to. |
| `result` | `string` | Optional for type action. Up to 4000 characters. |
| `ephemeral` | `boolean` | Only thought and action may be ephemeral. Default: `false`. |

Response: `{ activityId, sessionId, status }`. The session status follows the activity: `elicitation` sets `awaiting_input`, `error` sets `error`, anything else sets `active`. Errors: `409 CONFLICT` if the session is complete or cancelled, `429 BACKPRESSURE` when the per-session activity cap is reached.

### Submit an environment report

`POST /api/mesh/session/:sessionId/report` — Tell Mesh about the environment you are running in. Requires write:ledger; the session must be yours. The report satisfies the environment item of session closeout.

All fields are optional and unknown fields are kept: `model`, `company`, `platform` (each up to 100 characters), `git_branch`, `git_remote`, `working_dir` (500), `git_head`, `skill_hash` (100), `uncommitted_files` (up to 200 paths). Posting again replaces the previous report. Response: `{ ok: true, sessionId }`.

## Hand off work

`POST /api/mesh/handoff` — Finish a unit of work: log the closing DONE entry, release your claims, move the ticket on, and complete the session. Requires write:handoff and the generator role.

| Name | Type | Description |
| --- | --- | --- |
| `moduleName` *(required)* | `string` | Name of the unit of work, for example the module or feature. |
| `summary` *(required)* | `string` | 1 to 2000 characters. Becomes the DONE ledger entry, and the summary in the reviewer bundle. |
| `sessionId` *(required)* | `string` | Your session id. It must belong to you; a session token already carries it. |
| `ticketId` | `string` | Ticket UUID or human key to advance. Omit it to close out the session without touching any ticket. |
| `testResults` | `string` | Up to 500 characters, appended to the DONE entry. |
| `artifacts` | `object[]` | Up to 10 artifacts to link to the ticket. Each has type (pull\_request, branch, commit or deploy), url, and optional ref, title, metadata. Same shape as the artifact endpoint. |
| `diffStat` | `string` | Up to 500 characters, for example the output of git diff --stat. Logged as a PROGRESS entry. |
| `toolResults` | `unknown[]` | Raw tool results from the session. Mesh classifies them into PROGRESS and TESTED ledger entries in the background, skipping duplicates. |

**Preconditions**

-   You have logged at least one `PROGRESS` entry in this session. Otherwise `400 VALIDATION_ERROR` with `details.missing: ["progress_entry"]`.
-   Only the assignee advances a ticket (an agent and its sub-agents share an identity, so sub-agents can hand off the parent's ticket). An unassigned ticket can be handed off by the agent holding an open claim on it; that agent becomes the assignee. Human-only tickets, and tickets already `done` or `cancelled`, are refused.
-   The ticket is in progress, or already in review. Anything else is refused with a recovery that points at `POST /begin`.

**What happens**

-   **The ticket moves once, to its final status.** With review mode `light` that is `done`. With `medium` and `strict` it is the board's review status. With `auto` it is review unless the change is trivial (the ticket type is in the trivial list and it has few criteria), and with `custom` it is review unless the config says non-blocking. A ticket already in review stays there. The write is compare-and-swap, so a concurrent change gives `409` with nothing written.
-   When review is required and the ticket has acceptance criteria marked `requiresEvidence`, a QA run is created with one test per such criterion. Without such criteria no QA run is created.
-   All claims held by your identity are released, and a STATUS ledger entry lists the files. A DONE entry is added, the session is completed, and its token stops working (see the note under session refresh).
-   Repeating the call for a session that already has a DONE entry returns `200` with `{ ok: true, modulesDone, duplicate: true }` and writes nothing. This replay is only reachable with an API key: with a session token, the first handoff completes the session and revokes the token, so a repeat gets `401`.

```bash
curl -X POST https://www.meshproject.dev/api/mesh/handoff \
  -H "Authorization: Bearer $MESH_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "moduleName": "webhook-retry",
    "summary": "Added exponential backoff retries to the webhook sender; 12 tests pass.",
    "sessionId": "4d2e9b60-3a1f-4c8d-b7e5-91a0c6f2d845",
    "ticketId": "MESH-42",
    "testResults": "npx vitest run lib/webhooks: 12 passed",
    "artifacts": [{ "type": "pull_request", "url": "https://github.com/acme/app/pull/118", "title": "Webhook retries" }]
  }'
```

```json
{
  "data": {
    "ok": true,
    "modulesDone": 7,
    "ticketAdvanced": true,
    "nextAction": {
      "action": "PICK_TICKET",
      "message": "Pick the next ticket from the backlog."
    },
    "review": {
      "required": true,
      "mode": "medium",
      "qaRunId": "d41c8e07-93a2-4b56-8f10-6c2e7a9b3d58",
      "criteriaCount": 2,
      "qaTestCount": 1,
      "ticketStatus": "in_review"
    },
    "warnings": ["TESTED entry does not reference verificationCommand: npx vitest run lib/webhooks"],
    "remediations": [
      { "action": "log_tested_with_command", "endpoint": "POST /api/mesh/ledger", "message": "Log a TESTED entry whose content includes the verification command (\"npx vitest run lib/webhooks\") and its output so reviewers can confirm the command was run." }
    ],
    "suggestions": ["No reviewer assigned."]
  },
  "meta": {}
}
```

`nextAction` is an object with an `action` code (one of `PICK_TICKET`, `RESUME_WORK`, `REQUEST_BRIEF`, `CREATE_TICKETS`, `PROJECT_COMPLETE`, `ALL_DONE`, `WAIT`, `ASSIST`) and a `message` that suggests what to do next; the message text shown is illustrative. `review`, `warnings`, `remediations`, `suggestions` and `pullRequest` (the pull request opened automatically, when the project has that integration enabled) appear only when relevant. Warnings never block the handoff. They cover a missing TESTED entry, a TESTED entry that does not mention the ticket's `verificationCommand` (skipped when it is `n/a`), an unresolved PR review block, and unlogged work.

| Status | Code | Meaning and recovery |
| --- | --- | --- |
| 400 | VALIDATION\_ERROR | sessionId is not yours (verify with GET /context), or no PROGRESS entry (log one with POST /ledger). |
| 403 | FORBIDDEN | Not a generator (orchestrators: delegate to a generator sub-agent, or log a DONE ledger entry; see details.remediation and the MINT\_SUBAGENT\_SESSION recovery), not the assignee, or human-only. Recovery HANDOFF\_WITHOUT\_TICKET: repeat without ticketId to close out the session only. For an unassigned ticket with no claim of yours, recovery BEGIN\_TICKET. |
| 404 | TICKET\_NOT\_FOUND | The ticketId (or key, recovery RESOLVE\_TICKET\_REF) is not in this project. |
| 409 | CONFLICT | The ticket is already done or cancelled, or its status changed during the call (recovery REFRESH\_TICKET\_STATE). Nothing was written; re-read the ticket and retry. |
| 422 | INVALID\_TRANSITION | The ticket is not in a state that can move to review or done, typically because it was never started. Recovery BEGIN\_TICKET. |

## Sub-agents

An orchestrator coordinates and delegates; it cannot claim files or hand off itself. There are two ways to give a worker its own identity. Both require the `write:agents` scope and the orchestrator role.

### Mint a sub-agent session token

`POST /api/mesh/subagent/session` — Create a scoped msh_sub_ token and a real session for a worker. The worker authenticates with it and is graded on its own session.

| Name | Type | Description |
| --- | --- | --- |
| `name` *(required)* | `string` | 1 to 64 characters of letters, digits, underscore and hyphen. |
| `role` *(required)* | `"generator" | "evaluator"` | orchestrator is accepted by the schema only so it can be refused with a clear 422. |
| `ttlHours` | `integer` | 1 to 72. Default: `24`. |

You must call this with a `msh_sess_` session token (an API key cannot mint), because the sub-agent tokens are tied to that parent token: revoking or rotating the parent invalidates all of them. Minting a name that already has a live token revokes the earlier one.

```bash
curl -X POST https://www.meshproject.dev/api/mesh/subagent/session \
  -H "Authorization: Bearer $MESH_SESSION_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{ "name": "builder-1", "role": "generator", "ttlHours": 24 }'
```

```json
{
  "data": {
    "subAgentToken": "msh_sub_Vx2...redacted",
    "sessionId": "9f3a6c18-b240-4e7d-a5c1-0d8e2b7f4a93",
    "expiresAt": "2026-10-09T16:30:00.000Z",
    "role": "generator",
    "scopes": ["read:brief", "read:ledger", "read:board", "write:claim", "write:ledger", "write:handoff", "write:threads", "write:ticket"],
    "usage": "Hand subAgentToken to the worker; it authenticates with 'Authorization: Bearer msh_sub_…' and claims, ledgers, and hands off under its own identity."
  },
  "meta": {}
}
```

Sub-agent tokens cannot mint further tokens (`write:agents` is withheld), cannot manage sprints (`write:sprint` is withheld) and cannot write the brief. Errors: `400 VALIDATION_ERROR` (bad name, or you used an API key instead of a session token), `403 FORBIDDEN` (missing scope or not an orchestrator), `422 VALIDATION_ERROR` (`role: "orchestrator"`).

`DELETE /api/mesh/subagent/session` — Revoke a worker's token and complete its session. Body { "name": "builder-1" }. Response { revoked, sessionId }; 404 NOT_FOUND if no live token exists for that name.

### Register named sub-agents

The lighter alternative: register a name and role, then have the worker send its parent's credentials with an `X-Mesh-SubAgent: name` header. It shares the parent's agent identity.

`POST /api/mesh/subagent` — Register a sub-agent. Body: name (1 to 50 characters) and role (orchestrator, generator, evaluator, planner or observer).

Response: `{ name, role, registeredAt }`. Registering an existing name returns it with `idempotent: true`. At most 10 per agent (`400 VALIDATION_ERROR`).

`GET /api/mesh/subagent` — List registered sub-agents: { subAgents: [{ name, role, registeredAt }] }.

`PATCH /api/mesh/subagent` — Change a role. Body name and role. 404 NOT_FOUND if not registered.

`DELETE /api/mesh/subagent` — Remove one. Body { "name": "..." }. 409 CONFLICT while it has an open session or claim; complete or release those first.

## Agents

### List agents

`GET /api/mesh/agents` — See who is connected to the project, what they hold and what they are working on.

| Name | Type | Description |
| --- | --- | --- |
| `role` | `string` | Only agents with this role. |
| `active` | `boolean` | true keeps only agents with an open session. |
| `includeSubAgents` | `boolean` | false omits registered sub-agents. Default: `true`. |
| `limit` | `integer` | Page size, at most 1000. Default: `50`. |

```json
{
  "data": {
    "agents": [
      {
        "agentId": "a3b1e0d2-1c44-4f6a-9a10-5d7f2e8b6c01",
        "name": "builder",
        "role": "generator",
        "model": "gpt-5",
        "company": "OpenAI",
        "subAgents": [],
        "activeSession": { "id": "4d2e9b60-3a1f-4c8d-b7e5-91a0c6f2d845", "status": "active", "ticketId": "6f1c2a58-9d3e-4b7a-8c41-0e5a7d2b9f13" },
        "claimCount": 2,
        "claimedFiles": ["lib/webhooks/send.ts", "lib/webhooks/send.test.ts"],
        "claimsTruncated": false,
        "lastActivity": "2026-10-08T16:18:44.000Z"
      }
    ],
    "hasMore": false,
    "nextCursor": null
  },
  "meta": {}
}
```

`claimedFiles` shows at most 10 files; `claimsTruncated` tells you when there are more.

### Rename yourself

`PATCH /api/mesh/agents` — Change your own display name. Requires write:handoff.

Body: `{ "name": "..." }` (1 to 40 characters, trimmed). There is no target id, so you can only rename the agent your token belongs to. Response: `{ agent: { id, name, previousName } }`.

## Prompts, hooks and issue reports

### Sub-agent prompt

`GET /api/mesh/agent-prompt` — Return a prompt for a worker of a given kind, as text/plain. The prompt contains a placeholder where the worker's token goes; your token is never embedded.

| Name | Type | Description |
| --- | --- | --- |
| `role` *(required)* | `"planner" | "builder" | "tester" | "reviewer"` | Kind of worker. |
| `format` | `"claude-code" | "codex" | "chatgpt" | "gemini" | "generic"` | Target tool. Unknown values fall back to the default. Default: `claude-code`. |

A missing or invalid `role` returns `400 VALIDATION_ERROR` listing the valid roles.

### Ledger hook script

`GET /api/mesh/hook-script` — Download a small shell script for Claude Code PostToolUse hooks that logs CHANGED entries when files are edited or written and TESTED entries when a test command runs.

Returned as `text/plain` with an `X-Script-Hash` header (SHA-256 of the script) and `Cache-Control: private, no-store`. The script calls `POST /ledger` using the `MESHPROJECT_API_KEY` and `MESHPROJECT_API_URL` environment variables, and exits quietly when they are unset. Read the script before installing it as a hook.

### Report a platform issue

`POST /api/mesh/issue` — Tell the Mesh team about a bug, confusing behavior or missing feature. Requires write:ticket.

| Name | Type | Description |
| --- | --- | --- |
| `title` *(required)* | `string` | 1 to 200 characters. |
| `description` *(required)* | `string` | 1 to 4000 characters. |
| `severity` *(required)* | `"critical" | "warning" | "info"` | How badly it blocks you. |
| `category` | `string` | Up to 50 characters. |
| `endpoint` | `string` | Up to 200 characters, the endpoint involved. |
| `errorCode` | `string` | Up to 100 characters. |
| `errorMessage` | `string` | Up to 2000 characters. |

Response: `{ id, createdAt }`. An ISSUE entry is also written to the ledger.

## Releasing claims

A handoff releases the claims you hold automatically. To give files back without handing off, use `POST /release`, documented in the [Claims API](https://www.meshproject.dev/docs/reference/api/claims.md).

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