Reference

Update a draft

Replaces an open draft’s title or change set.

REST	`PATCH /api/v1/agents/{agent_id}/drafts/{draft_id}`
MCP tool	`update_draft`
Classification	Write
Scope	`agents:write`
Minimum role on the agent	editor
Confirmation	Not needed
Retry safety	Safe to retry with the same input
Success status	200

What it does

Replaces an open draft’s title or change set. New changes are written against the agent as it is now.

Side effects

Changes the open draft only.

Inputs

Name	Type	Required	In	Description
`agent_id`	string	yes	path	The agent id (agt_...), from list_agents.
`draft_id`	string	yes	path	The draft id.
`title`	string	no	body
`changes`	object	no	body	Changes by section. identity and personality take the fields to change. links, offers, knowledge and places take add (new items), update (items with id plus the fields to change) and remove (ids). Get ids and current values from get_agent_configuration; get the full schema from get_configuration_schema.

Example

REST

curl -X PATCH "https://covo.lanaai.io/api/v1/agents/agt_4edc89bb2964/drafts/80da083a-0818-47b5-afc4-ef5b39c59137" \
  -H "Authorization: Bearer $COVO_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"title":"Spring greeting (final)"}'

MCP (POST /mcp)

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "update_draft",
    "arguments": {
      "agent_id": "agt_4edc89bb2964",
      "draft_id": "80da083a-0818-47b5-afc4-ef5b39c59137",
      "title": "Spring greeting (final)"
    }
  }
}

Response

Returns an object with id, title, status, base_revision, current_revision, stale, change_set, changes, problems, removes, validation, client, created_at and updated_at. This is a real response, shortened to two items per list.

200 response

{
  "id": "80da083a-0818-47b5-afc4-ef5b39c59137",
  "title": "Spring greeting (final)",
  "status": "open",
  "base_revision": 6,
  "current_revision": 6,
  "stale": false,
  "change_set": {
    "personality": {
      "greeting": "Hi, I am Avery’s Concierge. Ask me about spring projects."
    }
  },
  "changes": [
    {
      "path": "personality.greeting",
      "operation": "replace",
      "before": "I'm Avery Quinn's Concierge. I can help you learn about Avery Quinn's work, what's on offer, or anything else you're curious about.",
      "after": "Hi, I am Avery’s Concierge. Ask me about spring projects."
    }
  ],
  "problems": [],
  "removes": 0,
  "validation": {
    "valid": true,
    "state": "ready",
    "errors": [],
    "warnings": [
      {
        "step": "knowledge",
        "field": null,
        "severity": "recommended",
        "message": "Add a few common questions. Short, specific answers work best."
      },
      {
        "step": "publish",
        "field": null,
        "severity": "recommended",
        "message": "Ask the preview a question before you publish."
      }
    ]
  },
  "client": {
    "name": "docs-examples",
    "interface": "rest"
  },
  "created_at": "2026-10-07T20:14:41.872Z",
  "updated_at": "2026-10-07T20:14:41.885Z"
}

Over MCP the same object comes back as the tool result, in structuredContent and as JSON text.

Errors

Status	Code	Meaning
401	`unauthorized`	No token, or it is unknown, revoked or expired. OAuth apps refresh or reconnect.
403	`account_suspended`	The account that owns the token is paused.
403	`insufficient_scope`	The token lacks `agents:write`.
404	`agent_not_found`	Unknown agent, or not reachable with this token.
400	`bad_request`	An input is invalid; `field` names it.
429	`rate_limited`	Wait `Retry-After` seconds.