tool-search-tool changedagents-and-tools/tool-use/tool-search-tool
Nearest release: v2.1.315, published under an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
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Lines−2removed
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14 Aug 2026
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760760```
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762The `error_code` field has four possible values:
762The API defines these `error_code` values:
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764764* `invalid_tool_input`: the search input was invalid, for example a malformed regex pattern or a pattern over the 200-character limit
765765* `unavailable`: the search couldn’t run, for example because it timed out or the service was unavailable
766766* `too_many_requests`: rate limit exceeded for tool search operations
767* `execution_time_exceeded`: the search exceeded its execution time limit
767* `execution_time_exceeded`: not returned by tool search, which reports a timeout as `unavailable`
768768
769769### Common mistakes
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