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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.

All of v2.1.186 Home All releases olderv2.1.185 v2.1.187newer
Claude Code v2.1.186

respondToBashCommands Setting

A new per-session setting controls whether Claude generates a response after an ! input-box bash command completes.

Details
  • Default: true — Claude responds after ! commands as before.
  • Set to false to silently add the command output to the conversation context without triggering a reply. Useful for quiet shell automation where you want to inject output but not spend tokens on a response.
  • Configurable in settings.json under the same schema as other session settings.
Evidence

New Zod field added to settings schema (search for "Whether Claude responds after an input-box ! bash command runs. Set to false to add the command output to context without a response.")

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

See this entry in the whole of v2.1.186 →