Tools reference changedtools-reference
Nearest release: v2.1.236, published 2 hours after 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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282282* Find implementations of an interface
283283* Trace call hierarchies
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285The tool is inactive until you install a [code intelligence plugin](/docs/en/discover-plugins#code-intelligence) for your language. The plugin bundles the language server configuration, and you install the server binary separately.
285Claude Code keeps the tool inactive until you install a [code intelligence plugin](/docs/en/discover-plugins#code-intelligence) for your language. Claude Code takes the language server's configuration from the plugin, and you install the server binary yourself.
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287Claude Code keeps the tool active for the rest of a session once it has had a language server available in that session. Claude Code returns an error result for each LSP call on a file whose language server it can't start. Before v2.1.235, Claude Code deactivated the tool whenever every language server had crashed or failed to start and reactivated it when one recovered.
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287289## Monitor tool
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