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

8239entries
★ starsA–Z name

cc-manager

10
@vamshisuram

Local web UI to inspect Claude Code plugins, agents, hooks, MCP servers, and settings.

updated Jul 2026

tui-design-skill

10
@gfargo

Claude Skill for building clean, professional terminal UIs & CLIs — covers Bubble Tea, Ratatui, Textual, and Ink across Go, Rust, Python, and TypeScript

updated Jul 2026

code-brain

10
@ezBuilder

Persistent memory, BM25 code search, MCP tools, and hook guardrails for AI coding agents — Claude Code, Codex CLI & Antigravity. One local-first .ai/ layer per repo. No SaaS, no network on hot paths.

updated Jul 2026

estonian-mcp

10
@silly-geese

Get better Estonian writing from your AI agent. Offline MCP server (no third-party calls) wrapping EstNLTK, EKI Reeglid + Riigi Teataja. 24 read-only tools for spelling, morphology, orthography/grammar, and legal Estonian. One-click install from Anthropic's Connectors Directory, or self-host. 96.5% on TalTech's inflection_et benchmark.

updated Jul 2026

audit-skill

10
@wwwazzz

Two-pass code audit skill for Claude Code: adversarial Opus deep review + Codex second opinion

updated Jun 2026

agent-goal-skill

10
@Dallionking

Claude Code skill that shapes rough goal descriptions into polished /goal prompts for Codex, Claude Code, Droid, Auggie, and any CLI agent. The 5-block contract: Goal / Context / Constraints / Done when / On block. MIT.

updated Jul 2026

mini-claude-for-legal

10
@sboghossian

982 legal AI skills in standard Anthropic SKILL.md format — drafting, review, knowledge packs, litigation simulation, legal education, safety, connectors. MENA-first jurisdictional lens. Extracted and enriched from the Louis (HAQQ Legal AI) skill registry.

updated Jul 2026

cc-logger

10
@kkrlstrm

Local observability for Claude Code. Captures sessions, sub-agents, and tool calls to Postgres via HTTP hooks.

updated Jul 2026

ui-styles-skill

10
@chrzamz

Offline UI style library for Claude Code — 79 design styles × bilingual prompts (zh-CN / en-US), packaged as a Claude Code Skill.

updated Jul 2026

skill-hook-authoring

10
@aldegad

Authoring guide for shared Claude Code + Codex CLI skills and hooks (cross-engine install pattern, modern PreToolUse decision schema, payload contract).

updated Jul 2026

agent-skills

10
@cobusgreyling

Personal collection of Agent Skills for AI coding agents (Claude Code, Gemini CLI, Cursor, Codex, etc.)

updated Jul 2026

build-a-skill

10
@egalano

Interactive Skill that walks you through Anthropic's "Complete Guide to Building Skills for Claude" — ship a working SKILL.md in ~20 min.

updated Jul 2026

agent-skills

10
@preset-io

Agent skills for Preset, Apache Superset, Superset MCP & Snowflake Cortex — works across Claude, Codex, Cursor, Copilot, Cortex Code & Gemini CLI.

updated Jul 2026

pinky-promise

10
@superluminar-io

API contract enforcement for Claude Code. Keeps producer and consumer services in sync by hooking into every stage of the superpowers development workflow

updated Jul 2026

skills-travel-planner

10
@huanyuzhilv

开源 AI 路书生成工具 · Cursor/Claude Agent Skill:简版行程表 → tripData.json → 可交付 HTML/PDF。小红书配图、LLM 润色、飞猪酒店数据。Open-source AI travel roadbook generator for custom tour advisors.

updated Jun 2026

excel-hygiene

10
@BayramAnnakov

A 'second pair of eyes' Claude Code skill for any .xlsx — deterministic mechanical checks (openpyxl) plus Panko–Halverson error-taxonomy reasoning.

updated Jul 2026

gaokao-advisor

10
@Zylcyl

高考志愿填报智能顾问 —— 基于多 Skill 协调架构的 AI 志愿填报系统

updated Jul 2026

deslop

10
@fayerman-source

A professional plain English style guide and agent skill that translates legalese and purges AI slop.

updated Jul 2026

nock

10
@kothari-nikunj

Nock — pressure-test your pitch before you take the shot. A VC's real questions as a Claude skill, plus a playbook to build your own.

updated Jul 2026

Cat_paper_search

10
@academicatstool-netizen

🔍 Find real academic papers across 5 scholarly databases & deep-read any open-access PDF — grounded, never fabricated. Runs on Claude & Codex. A lite, open-source edition of AcademiCats. 跨 5 大学术库检索真实论文、精读 PDF。可在 Claude / Codex 上使用。

updated Jul 2026

claude-remotion-skill

10
@haidrrrry

Open-source Claude agent skill that teaches Claude Code, Claude Desktop & Claude AI to create and edit professional motion graphics videos with Remotion. AI video editing, B-roll, captions, sound design — from one prompt.

updated Jul 2026

Himmel

10
@yotamleo

A managed, orchestrated harness for running Claude Code as a safe, repeatable agent: hooks, guardrails, slash commands, a Jira CLI, and a cross-session handover system.

updated Jul 2026

PlayGuard

10
@ZenyaDAR

AI-powered MCP proxy for Playwright and Figma. Optimize Claude Code and AI agents with session recovery, context reduction and intelligent tool routing.

updated Jul 2026

mcp-osascript

10
@m0rvayne

Let Claude control your Mac — windows, menus, keyboard, clipboard. 12 typed tools, security-first MCP server.

updated Jun 2026
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