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mcp: wrap unmarshalParams with jsonrpc error (#1087)

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Fixes #976
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Guglielmo Colombo 2026-07-14 16:26:18 +02:00 • committed by GitHub
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docs/mcpgodebug.md
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@ -50,6 +50,13 @@ Options listed below were added and will be removed in the 1.9.0 version of the
restoring the previous behavior. The default behavior was changed so that
the client always attempts to surface the underlying JSON-RPC error.
- `nowrapinvalidparams` added. If set to `1`, the server will not wrap
params-decoding failures with `jsonrpc2.ErrInvalidParams`, so wire responses
carry the zero-value error code `0` instead of `-32602` ("invalid params"),
restoring the previous behavior. The default behavior was changed so that
the server always reports params-decoding failures with the standard
`-32602` code.
- `disablecompleteparamsvalidation` added. If set to `1`, `Server.complete`
will not validate that the required `ref` and `argument.name` fields on
`CompleteParams` are present, restoring the previous behavior of dispatching