Variant

error-code

Standard JSON-RPC error codes

variant error-code {
  parse-error(error),
  invalid-request(error),
  method-not-found(error),
  invalid-params(error),
  internal-error(error),
  server(error),
  json-rpc(error),
  mcp(error),
}

Cases

CasePayloadDescription
parse-errorerror

Parse error (-32700)

invalid-requesterror

Invalid request (-32600)

method-not-founderror

Method not found (-32601)

invalid-paramserror

Invalid parameters (-32602)

internal-errorerror

Internal error (-32603)

servererror

JSON-RPC server error (-32000 to -32099)

json-rpcerror

Other JSON-RPC error (-32768 to -32000, excluding above)

mcperror

Unspecified MCP error

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