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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 v2.1.229

Permission-prompt-tool errors reportable without leaking tool names

Under the hood
Useful2 Signal2
Permissions

Permission-prompt-tool errors sent as telemetry no longer include your tool names.

--permission-prompt-tool
What

Failures validating --permission-prompt-tool now have fixed redacted variants for telemetry, so the reported error omits the tool name and the list of available MCP tools.

Evidence

Error: tool <redacted> (passed via --permission-prompt-tool) must be an MCP tool

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 v2.1.229 →