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Connector Design Principles

We recommend that you follow these principles:

  • Keep the connector state local to the running process. Avoid a shared global state that could break concurrent execution.

  • Return structured errors rather than free-form output. The sample scripts use JSON-RPC-style error codes for parse, method, parameter, and internal errors.

  • Treat stdout as the protocol channel and reserve stderr for diagnostics.

  • Expect versioned evolution. Future protocol changes should be additive or guarded by version/capability checks.

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