Tobin South b7c0654137 Raise bump cap with verdict cache and skip-and-revert (#1913)
* Cache scan verdicts and drop policy-failing entries from bump PRs

Three changes that together let the nightly bump clear any backlog in a
single run without blocking on a single bad upstream or re-burning Claude
time on already-scanned SHAs:

- bump-plugin-shas.yml: raise max-bumps default 20 -> 130 (above the
  external entry count, so a single run can clear a full backlog) and add
  an explicit 60-min job timeout. The cap was the only thing bounding the
  blast radius of a single policy failure; the changes below take over
  that role so the cap can be lifted.

- scan-plugins.yml: add a verdict cache keyed on (plugin, sha, policy
  hash). The bump action force-resets bump/plugin-shas every night, which
  makes the same SHAs reappear in the diff on consecutive nights — without
  the cache the scan would re-burn ~90s of Claude time per entry per
  night. Cached verdicts (pass and fail) are served from disk; only
  uncached SHAs are scanned. The job still fails on cached failures so
  the required check stays honest.

- revert-failed-bumps.yml (new): after a Scan Plugins workflow_run on
  bump/plugin-shas concludes with a failure, drop just the failing
  entries' source.sha back to main's pin via a follow-up signed commit
  and re-dispatch the scan. The re-dispatch finds only cached-pass
  entries and goes green in seconds. Bounded at 3 passes/night, restricted
  to SHA-only diffs, and aborts if the bump branch was tampered with.

* Harden bump cache and revert workflows after review

- revert-failed-bumps: replace the time-based revert budget (anchored on
  the PR head, which a revert commit immediately replaces — never
  accumulating past 1) with a commit count: every nightly bump force-
  resets to one commit and every revert pass adds exactly one, so
  commits > MAX+1 is the budget without date math, pagination, or
  exposure to comment spoofing.
- revert-failed-bumps: filter the bump PR by head owner so a fork PR
  with a branch named bump/plugin-shas can't be selected.
- revert-failed-bumps: continue-on-error on the artifact download so a
  scan that died before uploading (infra error) doesn't fail the revert
  job — the missing-file guard downstream handles it.
- scan-plugins: add a per-ref concurrency group so concurrent scans
  don't lose one another's cache writes; key the cache on run_attempt
  so a re-run can save its own verdicts.
- scan-plugins: store the full source object in the cache and require
  source equality on lookup, so a repo/path change at the same SHA
  misses the cache instead of getting a stale verdict.
- scan-plugins / revert-failed-bumps: strip markdown control chars,
  wrap model-generated text in code spans (neutralizes auto-linked
  URLs), and redact key-shaped tokens before they reach the step
  summary, artifact, cache, or PR comment.
2026-05-18 20:55:20 +01:00
2025-11-20 14:26:30 -08:00

Claude Code Plugins Directory

A curated directory of high-quality plugins for Claude Code.

⚠️ Important: Make sure you trust a plugin before installing, updating, or using it. Anthropic does not control what MCP servers, files, or other software are included in plugins and cannot verify that they will work as intended or that they won't change. See each plugin's homepage for more information.

Structure

  • /plugins - Internal plugins developed and maintained by Anthropic
  • /external_plugins - Third-party plugins from partners and the community

Installation

Plugins can be installed directly from this marketplace via Claude Code's plugin system.

To install, run /plugin install {plugin-name}@claude-plugins-official

or browse for the plugin in /plugin > Discover

Contributing

Internal Plugins

Internal plugins are developed by Anthropic team members. See /plugins/example-plugin for a reference implementation.

External Plugins

Third-party partners can submit plugins for inclusion in the marketplace. External plugins must meet quality and security standards for approval. To submit a new plugin, use the plugin directory submission form.

Plugin Structure

Each plugin follows a standard structure:

plugin-name/
├── .claude-plugin/
│   └── plugin.json      # Plugin metadata (required)
├── .mcp.json            # MCP server configuration (optional)
├── commands/            # Slash commands (optional)
├── agents/              # Agent definitions (optional)
├── skills/              # Skill definitions (optional)
└── README.md            # Documentation

License

Please see each linked plugin for the relevant LICENSE file.

Documentation

For more information on developing Claude Code plugins, see the official documentation.

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