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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.252 ·

Tool description can now be overridden by a recorded description

Tool definitions can now be overridden by a previously recorded description instead of the live one.

TierUnder the hoodhow much it should matter to you
Useful1my rating, 1 to 5
Signal2worth watching, 1 to 5
AreaElsewherewhat it touches
KindInternal Changesin v2.1.252,
Under the hood

Tool definitions can now be overridden by a previously recorded description instead of the live one.

When building a tool definition for the model, a tool's recordedDescription, if present, is now used in place of its live description. This allows a previously-recorded tool description to be reused instead of what the tool currently reports.

See this entry in the whole of v2.1.252 →

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