Source Intelligence

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 v2.1.251 Home All releases olderv2.1.250
Claude Code v2.1.251

Background watcher that ships local file changes to a cloud session

You'll notice
Useful4 Signal4
Cloud Sessions

Local file edits now reach your cloud session as you make them, not only at sync points.

What

A file-system watcher over the synced project root has been added, so changes reach a remote Claude Code session as they happen rather than only at explicit sync points. Bursts of edits are debounced: 750ms of quiet, at most 4s of waiting, and at least 2s between uploads.

Details
  • Ignores .git, dependency directories, .DS_Store, and .tmp, .swp and ~ files.
  • Each trigger runs an incremental upload rather than a full resend.
  • The tuning values are internal constants; nothing in this build exposes a setting or environment variable to change them.
Evidence

dir-sync: directory watch started on the synced root

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

See this entry in the whole of v2.1.251 →