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

8253entries
★ starsA–Z name

interaction-design-skills

7
@rastian

A Claude skill for interaction design -> flows, states, micro-interactions, affordances, feedback, and IxD principles for product, UX, UI, and service designers.

updated May 2026

ui-annotator-mcp

7
@mcpware

MCP server that annotates any web page with hover labels — zero extensions, works in any browser

updated Jun 2026

aso-pro-max

7
@AfeiFun

End-to-end ASO toolkit for App Store Optimization — 6-stage pipeline (industry refresh → app analysis → locale research → draft → audit → write+verify), Snowball stem + CJK substring detection, free iTunes Search API + Google Suggest validation. Claude Code skill + standalone Python scripts.

updated May 2026

claude-skills-collection

7
@khalilbenaz

347 skills open-source pour Claude Code — 32 domaines : dev, agents IA, AI/ML, cloud, database, DevOps, testing, sécurité, networking, Linux, automation, marketing, IoT, communication, data, freelance, management, et vie quotidienne.

updated Jun 2026

claude-profiles

7
@julianleopold

Profile switcher for Claude Code — swap settings, hooks, MCP servers, and commands between configurations

updated May 2026

infynon-cli

7
@d4rkNinja

Security-first Rust CLI for dependency risk scanning, API workflow testing, and shared coding memory.

updated May 2026

claude-code-hooks

7
@Gopherlinzy

🛡️ Production-ready Claude Code hooks for task notifications, security gates, wait-timeout alerts, and progress tracking. Works with Feishu/Telegram/Slack.

updated Apr 2026

OCC

7
@lacausecrypto

OCC (Orchestrator Chain Chimera) YAML-first LLM orchestrator. Multi-model chains with auto-parallelism, 30 pre-tools at zero token cost, React canvas, MCP, REST API. 70% faster/cheaper than naive approaches.

updated Apr 2026

agent-starter

7
@sneg55

Anthropic's own engineering patterns, extracted from the Claude Code CLI source leak and packaged into reusable skills, templates, and guides for bootstrapping AI-agent-friendly projects.

updated May 2026

claude-code-cheat-sheet

7
@jmutai

Complete Claude Code cheat sheet - commands, keyboard shortcuts, CLI flags, CLAUDE.md, MCP servers, hooks, custom agents, automation scripts, and workflow tips.

updated Jun 2026

claude-design-style

7
@catyiqian

Agent Skill: Claude / Anthropic visual design tokens for web, slides, posters

updated May 2026

secretscan

7
@Manavarya09

Real-time secret & credential detector for Claude Code — 47 patterns, PostToolUse hook, lossless recovery

updated May 2026

openclaw-claude-proxy

7
@majdyz

Tiny HTTP proxy that lets OpenClaw (and other third-party agents) route Anthropic /v1/messages through your claude login OAuth session. Avoids the third-party-app rejection, preserves tool-use bridging.

updated May 2026

agent-migrator

7
@builderpepc

Migrate conversation history between AI coding tools (Cursor, Claude Code, Codex, Gemini)

updated Jun 2026

cx

7
@magidandrew

Claude Code Extensions. Unlock the full power of Claude.

updated May 2026

gateguard

7
@zunoworks

A fact-forcing hook gate for Claude Code. Makes the AI pause and investigate before editing.

updated May 2026

Best-LwM2M-Agentic-Skills

7
@svdwalt007

The world's most comprehensive OMA LwM2M (IoT) expert skill for Claude -- all versions v1.0-v2.0, full protocol stack, security, and ecosystem

updated Apr 2026

cmmc-advisor

7
@LV-262

CMMC 2.0 compliance advisor as a Claude Code skill. All 3 levels, 14 domains, 110 practices; CUI scoping, SSP + POA&M; modern IT mapping for cloud, productivity, AI services, endpoints; contractor profiles and anti-patterns. Built from public DoD and NIST sources.

updated May 2026

zorro-agent

7
@braxtonROSE4

The Agent that evolves through use, distills session experience into domain knowledge, then converts knowledge into executable skills.

updated May 2026

changshu-arnold-skill

7
@factnn

常熟阿诺(Anuo):人类对抗 AI 的最后一道防线 | Your personal Changshu-Arnold

updated May 2026

claude-cost-helpers

7
@zivtech

Local hooks and slash commands that make Claude Code cost mechanics visible. Companion code for the Economics of Claude Code blog series.

updated May 2026

kodelyth-ecc

7
@sifxprime

70 agents · 194 skills · 97 commands · 22+ hooks · semantic intent routing · self-learning memory · MCP server. Claude Code, Windsurf, Cursor, Codex, Antigravity, Cline, Roo Code, Aider, Kimi, Gemini CLI. MIT.

updated May 2026

AI-News-Fetcher

7
@MohamedMamdouh18

Claude skill that fetches recent AI news and trending GitHub repos, rendering them as an interactive React artifact in chat.

updated May 2026

callmux

7
@edimuj

Multiplexer for MCP tool calls: parallel execution, batching, caching, and pipelining for any MCP server

updated Jun 2026
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