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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 v2.0.37

Tool Rejection Feedback

What: Users can now provide feedback text when rejecting a tool use, telling Claude what to do differently.

How to use: When Claude requests permission to use a tool and you select "No", you'll see an input field with the placeholder "Tell Claude what to do differently". Your feedback is sent to Claude to guide its next action.

Details:

  • Input field appears in tool permission prompts when rejecting
  • Feedback is optional - you can still reject without providing a message
  • Claude receives your feedback with context: "The user doesn't want to proceed with this tool use... To tell you how to proceed, the user said: [your message]"
  • Telemetry tracks whether feedback was provided via new hasFeedback field
  • Evidence: FKA constant at line 474090, FJQ() component at line 263860, kd() telemetry function at line 352977

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 v2.0.37 →