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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.224

Tool-search telemetry records the real mode and a finer skip reason

Under the hood
Useful2 Signal3
Tool Search

Skipped tool-search events now report the real mode in effect and a more precise skip reason.

ENABLE_TOOL_SEARCH
What

When tool search is skipped, the event now reports the mode actually in effect, derived from the ENABLE_TOOL_SEARCH environment variable and one of tst, tst-auto or standard, rather than always reporting standard. It also tells apart a request with no tools from one where the search tool is not registered.

Evidence

no_tools_in_request

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.224 →