Errors

{
  "error": "ValidationError",
  "message": "Request failed schema validation",
  "details": [...]
}

​

Status codes

​

400

• 400 response
• Mcp-Session-Id header missing.
• Missing or invalid request.
• Validation error
• sessionId query param missing.

​

401

• 401 response
• OAuth token missing or invalid.

​

403

• 403 response
• Session belongs to a different user.

​

404

• 404 response
• No active session for the given session ID.
• Unknown client identifier.

​

409

• 409 response

​

413

• 413 response

​

429

• 429 response

​

500

• 500 response

​

503

• Extension not yet built on this server.