What is the JSON-RPC 2.0 error code for "Method not found"? — MCP Professional Practice — Claude Cert Academy

What is the JSON-RPC 2.0 error code for "Method not found"?

• -32700
• -32600
• -32601
• -32602

Answer: -32601

-32601 is the JSON-RPC 2.0 error code for Method not found. -32700 is parse error (malformed JSON). -32600 is invalid request (wrong structure). -32602 is invalid params (wrong parameters for a valid method).

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