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SergeyMenshykhandCopilot
efa3268a09
### Motivation and Context The MCP server created by `create_mcp_server_from_kernel` (and the `Kernel.as_mcp_server` wrapper) accepts an `excluded_functions` argument to keep selected kernel functions off the server. Previously this list was applied only when building the tool set advertised by the `list_tools` handler; the `call_tool` handler did not consult it and forwarded the client-supplied name straight to the kernel. As a result the set of advertised tools and the set of callable tools could diverge. ### Description - Derive a single `exposed_names` set from `functions_to_expose` and check it in the `call_tool` handler, returning a `METHOD_NOT_FOUND` error for any name that is not exposed. - Remove a leftover `print` debug statement in `_call_kernel_function`. - Add a unit test covering the `call_tool` behavior for a non-exposed function. ### Contribution Checklist - [x] The code builds clean without any errors or warnings - [x] The PR follows the SK Contribution Guidelines - [x] All unit tests pass, and I have added new tests where possible --------- Co-authored-by: Copilot <[email protected]>