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wire 2026-09-10
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Claude Code ships hooks-module plugins as source, security-guidance learns repo resolution

By RepoJournal · Filed · About Anthropic · Composed from the cited sources · methodology

Anthropic published the three hooks-module plugins built into Claude Code (sec-default, diff, telemetry) as complete, readable plugin folders, while security-guidance 2.0.8 learned to find the repository it is supposed to be guarding.

`mods/` lands in claude-code with three hook-module plugins as full source: `sec-default` (an organization's default outermost plugin), `diff` (exposed as `/diff`), and `telemetry` (surfaced under `$.telemetry`) [1]. Each folder is a complete plugin, and `mods/README.md` carries the layout. This is early access and the wire says so plainly: they load only where function hooks are enabled, and the API may change [1]. Read it as reference source for building your own hooks rather than as a stable surface.

security-guidance 2.0.7 → 2.0.8 rewrites where the plugin looks for the repository [2]. It now resolves the repo from `git -C <dir>` / `cd <dir>` in the hook command, from the commit SHA, and from edited file paths when the hook cwd is not a git repository; an explicit `git -C <dir>` / `cd <dir>` naming another repository takes precedence over the hook cwd [3]. It adds PostToolUse matchers for `git -C … commit` and `git -C … push`, registers `SubagentStop`, and adds `repo_resolution` / `cwd_is_repo` metric fields [2]. The SubagentStop behavior is the part to read before upgrading: reviews no longer consume or advance the session's Stop state, an identical diff is not reviewed twice, and a SubagentStop from a different working tree than the project is skipped [3]. Git invocation is hardened, tokenizing keeps Windows path separators, and diff/show invocations add `--no-textconv` [3].

buffa's descriptor reject invalid extension range bounds: empty and reversed ranges where `start >= end` now fail with a new `PoolError::InvalidExtensionRange` carrying the message and the offending bounds [4]. Valid one-element ranges are kept, including `MAX_FIELD_NUMBER..MAX_FIELD_NUMBER + 1`, and failed pool additions stay transactional [4]. If you construct descriptors programmatically, a range you previously got away with will now be rejected at pool-add time.

Routine on the other desks: claude-code-action bumps Claude Code to 2.1.267 and Agent SDK to 0.3.267 [5], and claude-code's CHANGELOG.md and feed.xml were regenerated by the automation [6].

Action items

References

  1. [1] Add mods: sec-default, diff and telemetry ↗ anthropics/claude-code
  2. [2] security-guidance: resolve repository from command and edited paths (2.0.7 → 2.0.8) ↗ anthropics/claude-plugins-official
  3. [3] Adjust SubagentStop handling and repository precedence ↗ anthropics/claude-plugins-official
  4. [4] descriptor: reject invalid extension range bounds ↗ anthropics/buffa
  5. [5] chore: bump Claude Code to 2.1.267 and Agent SDK to 0.3.267 ↗ anthropics/claude-code-action
  6. [6] chore: Update CHANGELOG.md and feed.xml ↗ anthropics/claude-code

Quick answers

What shipped in Anthropic on September 10, 2026?
Anthropic published the three hooks-module plugins built into Claude Code (sec-default, diff, telemetry) as complete, readable plugin folders, while security-guidance 2.0.8 learned to find the repository it is supposed to be guarding. In total, 9 commits, 3 pull requests, and 2 releases landed.
Who contributed to Anthropic on September 10, 2026?
4 developers shipped this update, including poteat, GitHub Actions, fallintoplace, and Octavian Guzu.
What were the notable Anthropic updates?
Add mods: sec-default, diff and telemetry, security-guidance: resolve repository from command and edited paths (2.0.7 → 2.0.8), and Adjust SubagentStop handling and repository precedence.