Ai 1243 mcp update mcp and fastmcp libraries #207
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…eld names wrt fastmcp issue
mariankrotil
requested review from
vita-stejskal,
ncapek and
radcliffkey
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vita-stejskal
radcliffkey
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Jul 15, 2025
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We upgraded to "fastmcp == 2.10.4" and "mcp == 1.10.1". The latest fastmcp version introduced an issue related to validation_aliases and serialization aliases in Pydantic base models. Specifically, the output schema generated for tools only considers the first validation_alias, and if it doesn't match the serialization alias, the validation fails. We've sorted the aliases to work around the issue and have reported it on their repo here: jlowin/fastmcp#1142
Additionally, this PR resolves the security alert. https://github.com/keboola/mcp-server/security/dependabot/1