> ## Documentation Index
> Fetch the complete documentation index at: https://docs.artbucket.io/llms.txt
> Use this file to discover all available pages before exploring further.

# MCP (Streamable HTTP, stateless)

> JSON-RPC 2.0 for Model Context Protocol clients. Tools: search_assets, describe_asset, rendition_url, check_use, ingest_asset, import_google_font, propose_tags, my_proposals, brand_rules. Each tool checks its own scope. Resources: artbucket://brand/rules and artbucket://brand/rules/{context}.

Scope: `read`.



## OpenAPI

````yaml /openapi.json post /api/v1/mcp
openapi: 3.1.0
info:
  title: artbucket
  version: '1'
  description: >-
    Agent-first asset management. The web UI is built on this API and nothing
    else, beside signing in at /api/auth. Send `Authorization: Bearer <key>`: a
    key works in one workspace with one scope, and scopes are a ladder: read <
    propose < write < admin. People signed in to the app carry a session cookie
    instead, and their scope is what their grants add up to: on the
    organization, the workspace, or single collections and assets. A scope shown
    as needed on the workspace is also enough on the one collection or asset a
    route acts on. Agents (MCP at POST /api/v1/mcp) usually get `propose`: what
    they add waits for a human.
servers:
  - url: http://localhost:3000
security:
  - bearer: []
  - session: []
  - {}
paths:
  /api/v1/mcp:
    post:
      summary: MCP (Streamable HTTP, stateless)
      description: >-
        JSON-RPC 2.0 for Model Context Protocol clients. Tools: search_assets,
        describe_asset, rendition_url, check_use, ingest_asset,
        import_google_font, propose_tags, my_proposals, brand_rules. Each tool
        checks its own scope. Resources: artbucket://brand/rules and
        artbucket://brand/rules/{context}.


        Scope: `read`.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                jsonrpc:
                  type: string
                  const: '2.0'
                id:
                  type:
                    - string
                    - number
                method:
                  type: string
                params: {}
              required:
                - jsonrpc
                - method
      responses:
        '200':
          description: A JSON-RPC response
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    type: string
                    const: '2.0'
                  id: {}
                  result: {}
                  error: {}
                required:
                  - jsonrpc
                  - id
                additionalProperties: false
        '202':
          description: A notification was accepted
        default:
          description: An error
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: object
                    properties:
                      code:
                        type: string
                      message:
                        type: string
                      detail: {}
                    required:
                      - code
                      - message
                    additionalProperties: false
                required:
                  - error
                additionalProperties: false
components:
  securitySchemes:
    bearer:
      type: http
      scheme: bearer
      description: 'An API key: ab_...'
    session:
      type: apiKey
      in: cookie
      name: better-auth.session_token
      description: Signed in, at /api/auth

````