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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 v2.1.246

Edit and Write check admission before writing on remote-driven calls

You'll notice
Useful3 Signal4
Remote Execution

Edits and writes driven from another session are checked before and after path resolution, and can be refused.

What

When an Edit or Write call arrives from another session rather than from your local one, the tools now run an admission check before writing and re-check it after the file path is resolved. A refusal comes back as an invalid_request verdict with the reason served_floor, and nothing is written.

Details
  • Only reached when the tool call carries a remote-call context; ordinary local edits are untouched.
  • On the remote path the tools skip local-session side effects: dynamic skill directory triggers, the beforeFileEdited session hook, and change/save notifications to language servers. Those run only when there is no remote call.
  • The file-permission dialog treats a remote-driven input as a remote workspace.
  • References to the remote-call context across the bundle went from 13 to 38.
Evidence

Served file call refused at write time

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 v2.1.246 →