HTTP 500
mcp_handler_errorMCP request failed
The MCP server could not complete the protocol request.
Resolution
Retry with backoff and provide the request ID if the problem persists.
Response handling
Keep the response's request_id for diagnostics. Retry only transient 429 and 503 responses, using the rate-limit headers and exponential backoff with jitter. Correct 400, 401, and 403 requests before retrying.