generated: '2026-07-20'
method: searched
source: https://openart.ai/mcp
scope: >-
  Cross-cutting semantics for OpenArt's authenticated surface, which is its
  remote MCP server rather than a conventional REST API. Captured from the OAuth
  metadata and MCP documentation; fields with no published contract are recorded
  as unknown rather than invented.
authentication:
  style: oauth2-authorization-code
  pkce: true
  scopes: [full_access]
  detail: authentication/openart-authentication.yml
transport:
  protocol: Model Context Protocol (Streamable HTTP)
  endpoint: https://mcp.openart.ai/mcp
idempotency:
  supported: unknown
  note: No idempotency-key contract is documented for the MCP tool surface.
pagination:
  style: unknown
versioning:
  scheme: unknown
  note: OAuth/MCP endpoints live under /suite/api; no versioned path scheme published.
error_envelope:
  note: >-
    OAuth errors follow RFC 6749 form (e.g. {"error":"invalid_token",
    "error_description":"Missing or malformed Authorization header"} observed on
    the MCP endpoint without an Authorization header).
rate_limits:
  signal: unknown
  note: Account credit/plan limits apply; no HTTP rate-limit headers documented.