External marketplace repository for Claude Code plugins.
First, add the marketplace:
/plugin marketplace add lexfrei/cccThen install any plugin:
/plugin install <plugin-name>@claude-code-companionsOr browse available plugins interactively via /plugin → Discover tab.
Update all plugins from the marketplace:
/plugin marketplace update claude-code-companionsUpdate a specific plugin:
/plugin update <plugin-name>@claude-code-companionsOr enable automatic updates: /plugin → Marketplaces tab → select claude-code-companions → Enable auto-update.
The ten standalone agent plugins are gone. Nine of their agents ship inside become, renamed to their craft; the tenth was dropped. The old-to-new mapping is in its README.
| Plugin | Description |
|---|---|
| review-toolkit | Code review pipeline with a provenance gate (model-advertising trailers, session links, WHAT-narrating messages and comments, undisclosed machine authorship all block): branch review with merge-base attribution (only defects the diff introduced, worsened, or interacts with block; pre-existing ones are reported separately and never dropped), churn diagnostics for review loops, PR review with a readiness gate (fix-CI / fix-conflicts, no verdict), a value/design gate (should this change exist at all — value vs maintenance cost), dual-model analysis (Claude + Codex), and GitHub PR review publishing with evidence-based verification |
| address-pr-comments | Close out unresolved review comments across one or more PRs — verify, fix with auto-pushed signed commits (one per thread), post user-approved replies, restore original branch |
| git-tools | Git workflow utilities: fork refresh and repo setup with branch protection |
| genname | Generate a /rename command from type, title, and optional PR number |
| tldrpr | Generate plain-text TLDR summaries for PRs, ready for Slack |
| learn | Analyze the current session and extract key learnings into CLAUDE.md and memory |
| renovate-check | Run Renovate locally in dry-run mode, research migration guides, apply selected updates |
| agent-father | Interactive guide for creating Claude Code subagents following official documentation standards |
| billy | "Where's the proof, Billy?" — stop and prove a claim with deep investigation |
| doe | Design-of-experiments toolkit for cutting debugging and tuning iterations. Ships taguchi (orthogonal arrays L4–L18: minimal run plans, main-effects ranking, accusation/acquittal confirmation), pairwise (self-verifying covering-array generator for arbitrary level mixes), shrink (group testing / delta debugging for single-culprit hunts among many toggles), tune (S/N-ratio knob optimization with confirmation runs) |
| m4b-audiobook | Assemble m4b audiobook from audio files with chapters, metadata, and cover art |
| say | Speak text aloud using macOS TTS with automatic voice selection |
| slack-formatter | Copy markdown to macOS clipboard as rich HTML + plain-text fallback, ready for Cmd+V into Slack with formatting preserved |
| helm-add-gwapi-route | Add or modernize Gateway API *Route templates (HTTPRoute/GRPCRoute/TLSRoute/TCPRoute/UDPRoute) in a Helm chart. Auto-detects add vs update mode per route kind; applies current best practices (named rules, typed filters, optional BackendTLSPolicy). File edits only — no git operations |
| pore-analysis | Measure porosity, pore size/shape, lattice period and ordering (psi6, Voronoi, radial g(r) + orientational correlation length) from top-view SEM images of porous films such as anodic aluminium oxide. The agent reads the image to calibrate and crop; a Python core does the morphometry and flags results that contradict physics. Vision decides, Python computes — no hardcoded autodetect |
| cleanup | Local disk cleanup: stale git worktrees, dead personal forks, Docker prune (incl. non-default buildx builders and VM disk trim), Go caches, and Homebrew — each report → confirm → execute with interactive prompts, plus a cleanup-all pipeline. Paths are asked, never hardcoded |
| lkml | Linux kernel mailing-list workflow. Ships lore (thread fetch, search, reply monitoring, and tracked-thread sweeps on lore.kernel.org with plain curl, incl. the User-Agent gate), patch-status (patchwork state → next action, ping rules), reply (in-thread review responses: interleaved trimmed quoting, answer-every-comment, send via git send-email --in-reply-to), submit (series posting gates: recipients, tree prefixes, changelog under scissors, checkpatch, Assisted-by: disclosure, 24-hour rule — every version a new thread), etiquette (who to write to via MAINTAINERS, tag permission matrix, timing and tone norms) |
| become | Session role switches plus the specialist agents they run. Manager (/become:manager): lead of a subagent fleet — brief teammates, delegate whole loops, approve their output inside the delegated scope, integrate by ground truth, report upward in short digests. Bundled workforce, spawnable as teammates or callable as @agent-become:<name>: architecture (technical decisions, .architecture.yaml), go, python, templ (Templ + HTMX), kubernetes (manifests, ArgoCD), helm (charts), containers (image builds), quality (lint, tests, security, then commit and push), hygiene (AI-artifact cleanup) |
| infostyle | Russian text editing in информационный стиль (Ilyahov, Sarycheva). Ships infostyle (prose: context, audience and useful action first, then structure, paragraph, sentence, word and presentation, with stop-word catalogue, bureaucratese fixes, genre checklists — текст о себе, о компании, отчёты, пресс-релиз, слайды, промостраница — and a ban on inventing the facts that replace value judgements) and infostyle-letter (business correspondence: informative subject lines, substance first, boundaries, the do-not-send-on-emotion check, cold emails, complaints, pars, reminders, job replies). Three modes: rewrite, review-only, or re-layout without touching a single word |
| setup-chrome-for-reddit | Get the Playwright MCP browser past Reddit's bot detection and logged in when a task needs an account — a user-agent override that drops the HeadlessChrome token (enough on its own, no stealth plugins), login through the normal old.reddit form verified from the network log, and browser_evaluate selectors that read threads without enormous accessibility snapshots. Captcha solving and fingerprint evasion are out of scope |
| Plugin | Description |
|---|---|
| mcp-loki | Grafana Loki — LogQL queries, label discovery, series exploration, index statistics |
| mcp-transmission | Transmission — torrent management, session stats, queue and bandwidth control |
| mcp-tg | Telegram — MTProto client API, messaging, contacts, groups, channels, media handling |
| Plugin | Description |
|---|---|
| comment-hygiene | SessionStart hook that injects code-comment discipline into every session — every comment must earn its place: say what the code cannot, never duplicate it; bans narration, changelog comments, reviewer asides, signature-restating docstrings, and leaky provenance |
| golangci-lint | Auto-run golangci-lint on package when Go files are edited |
| macro-claude | Session status hooks for the macro-claude macropad plugin — writes per-session JSON files that the Logi Plugin Service plugin reads to display live state on MX Creative Console keys |
| md-no-hardwrap | PreToolUse hook: reject Write/Edit on markdown files when a paragraph spans more than one line — enforces "one continuous line per paragraph" so renderers wrap to viewer width instead of fighting hardwraps in the source |
| trailer-guard | Hook that guards commit trailers on the current branch: after a command that writes, moves or publishes commits it flags your own commits that lost Signed-off-by, carry a Claude-Session line, or name a model in Assisted-by instead of the neutral Assisted-by: LLM, and it blocks git push, git send-email, git send-pack, git imap-send, git subtree push, git svn dcommit/set-tree, git p4 submit, gh pr create/ready/merge and gh stack submit/sync/push/merge/link until they are fixed; a branch stacked on another local branch is judged and repaired from that branch's tip, and the repair recipe rewrites only your commits |
| worksync | Daily work-sync markdown log — PostToolUse hook captures gh pr/issue create/merge/close automatically, companion skill logs research/ops/checkpoint events (prompts for vault path on install, works with Obsidian, Logseq, or plain markdown) |