Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
MCPArea: what it touches
ImprovementsKind: in v2.1.248,
ImprovementsSection of the release
What
The internal sync_files tool belonging to a built-in MCP server is now filtered out of that server's tool list, so it is no longer offered to the model as something to call. Whether every call path applies the filter is not settled by this code.
Evidence
sync_files
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
