Open-Source Directory — Claude / Anthropic

Claude
Tools

A curated index of extensions, plugins, MCP servers, hooks, and integrations for Claude — discovered from GitHub and refreshed daily.

Repository Growth — Last 30 Days

8241entries
★ starsA–Z name

pencil-skill

14
@Nisus74

AI coding skill plugin for pencil.dev (.pen) design files via the Pencil MCP server that works with Claude Code, Cursor, Codex, and Gemini CLI

updated Jul 2026

skill-anthropic-grade-optimizer

14
@l0z4n0-a1

Audits Claude-directing artifacts (CLAUDE.md, SKILL.md, subagent, hook, MCP, prompts, api_config) against 189 cited Anthropic rules across 11 dimensions. Cite or stay silent. Voice drift trumps score.

updated Jun 2026

claude-code-basecamp

14
@Benkapner

A meta-repository for Claude Code users that includes workspace setup (skills, commands, hooks)

updated Jun 2026

agent-guard

14
@JeongJaeSoon

Real-time secret-leak guardrails for AI coding agents (Claude Code, Codex), Git hooks, and CI.

updated Jul 2026

mbb-decks

14
@floflo11

MBB-style consulting deck skill for Claude. Action-title storylines, MECE bullets, company logos as bullet markers, real .pptx output.

updated Jun 2026

lazychat-erpnext

14
@soumyasethy

LazyChat — an AI assistant docked inside your ERPNext desk. Chat with your data, draft reports, stage edits (Apply-gated). Bring your own LLM: any OpenAI-compatible or Anthropic key, stays in your browser. Also ships an MCP server (101 permission-scoped tools).

updated Jul 2026

superskillret

14
@lotusroot-kim

Embedding-based skill retrieval plugin for Claude Code. Top-K skills from a 16,783-skill corpus injected as additionalContext on every prompt, via a long-running local retrieval daemon.

updated Jun 2026

MStack

14
@matthewdigiuseppe

A Claude Code plugin for academic research — opinionated role-based slash commands that walk a paper from idea to archive. Inspired by gstack.

updated Jul 2026

yuge-overseas-sales-research

14
@xxyshawn-creator

雨哥出品 · 海外销售公司调研 Claude Skill — 30 分钟产出五看六定标准报告 · 适用于客户拜访 / 代理商尽调 / 竞品分析 / 新市场进入 / 求职面试

updated Jul 2026

P2P-4PDA-edition

14
@sanic732

P2P v8C.3 Claude Native Edition — meta-prompt system: 8 QUORUM agents, /p2p-teacher, plugin import for Claude Code/Cowork. Public mirror for the 4PDA community.

updated Jul 2026

AI-Skills-German-Law

14
@borghei

AI skills for German legal practice and EU compliance. 58 plugins, 258 skills: general law, Fachanwaltschaften, high-volume practice areas, and EU frameworks (KI-VO, CRA, NIS2, LkSG, DORA, DSA/DMA, CSRD). Multi-provider (Claude, Gemini, GPT). Statutes linked to gesetze-im-internet.de; case law marked verified or [unverifiziert]. EN/DE docs.

updated Jul 2026

verify-networking-plugin

14
@Laotree

Network check before Claude Code starts — DNS, exit IP region, and TCP connectivity with 🟢🟡🔴 status

updated Jul 2026

awesome-agent-skills

14
@linny006

Curated, auto-updated awesome-list of vetted AI agent skills with quality ratings for Claude, GPT, a

updated Jul 2026

claudehermessubscriptionadapter

14
@eliaspfeffer

Local Anthropic API adapter that routes Hermes through claude -p CLI — bypasses Pro/Max OAuth overage charges on tool calls

updated Jul 2026

situk-yangtao-perspective

14
@situker

杨涛(涛哥/涛神)认知操作系统蒸馏 · Claude Skill · 970 万字一手输出蒸馏 · 已获杨涛本人授权

updated Jul 2026

agent-manual

14
@Ar9av

The manual for AI coding agent hooks, configs, PreToolUse/PostToolUse, MCP, and skills - covering Claude Code, Copilot, Cursor, Codex, Gemini CLI, and more.

updated Jul 2026

retro-bot

14
@cometogather

Leave things better than you found them! This claude skill seamlessly integrates iterative feedback across your claude stack and keeps an audit log/paper trail.

updated Jun 2026

openpaper

14
@falense

A personalized newspaper that knows only you will ever read it. Claude Code plugin that turns news sources into broadsheet-style HTML editions.

updated Jul 2026

aipocket

14
@SFzxc

Chrome extension wallet for user-owned AI API access

updated Jun 2026

ultragoal

14
@morphaxl

Tell Claude Code what you want once. It works until the job is verifiably done — and gets smarter every time. Self-correcting goal loops with independent verification and growing memory.

updated Jul 2026

agent-bridge

14
@msanchezdev

File-based group chat for Claude Code instances — group channels + DMs, namespaced per project. Installable as a skill or plugin.

updated Jul 2026

usage-guard

14
@shirley-xue-2025

Proactive 5h usage guard for Claude Code (macOS). Pause before extra wallet on long batch/subagent runs. Account-level window visibility. /usage-guard skill + daemon. Not affiliated with Anthropic.

updated Jul 2026

loop-skills

14
@donnfelker

Autonomous, self-re-prompting agent loops for Claude Code — packaged as independently-installable plugins (spec-development, dev-team, pr-autopilot, triangulated-code-review, multi-llm-convergence).

updated Jul 2026

claude-wp-cli

14
@thenguyenvn90

Complete WordPress management CLI for Claude Code — REST + Application Password. Posts, media, SEO meta (RankMath/Yoast), comments, plugins, users, menus, settings + guarded publishing.

updated Jul 2026
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