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

8237entries
★ starsA–Z name

scout

6
@klarlabs-studio

Browser automation, one binary. The simpler alternative to Playwright — no Node, no Python, no runtime. Library, CLI, MCP server, and chat UI for any AI agent.

updated Jul 2026

openlens

6
@Traves-Theberge

openlens is an opencode, code review tool that runs multiple specialized AI agents in parallel against your git diffs. It works as a CLI, a library, an HTTP server, Hooks, a GitHub Action, and as a native plugin.

updated Apr 2026

math-skill

6
@googlarz

A Claude skill for rigorously solving math problems — equations, proofs, optimization, geometry, and more, with step-by-step reasoning and verification.

updated Jun 2026

localmost

6
@federicotdn

Flexible and deterministic Claude Code PreToolUse handler

updated Jul 2026

apple-health-analysis

6
@labrinyang

Mayo Clinic-grade Apple Health data analysis — Claude Code skill with 20 peer-reviewed statistical methods and 35+ SVG visualizations

updated Jul 2026

ai-chief-of-staff

6
@Akshat2430

Build your AI Chief of Staff in 45 minutes with Claude Code — commands, skills, and hooks as a system

updated Jun 2026

release-calendar-skill

6
@jefflinshu

Auto-generate 'Everything [Team] shipped in X days' release calendar posters from real X posts. A Claude Code skill.

updated May 2026

health-skill

6
@googlarz

A health workspace and longevity companion for Claude — connects your labs, training, sleep, and family history so every conversation builds on the last.

updated Jul 2026

customer-support-agent

6
@G3Ram

🤖 Production-grade autonomous customer support agent using Claude AI & MCP achieving 100% first-contact resolution. Built for Claude Architect Certification (Scenario 1) - demonstrates agentic architecture, tool design, and reliability patterns.

updated Apr 2026

claude-architecture-skills

6
@keez97

7 Claude Code skills for software architecture review (Python, web, cloud, microservices). Includes A/B benchmarks against unskilled baseline, assertion-graded eval suite, and interactive dashboards.

updated Jul 2026

dwarves-kit

6
@dwarvesf

A minimal Claude Code workflow kit for spec-driven development with verification. 12 hooks + 12 commands + 8 agents + 1 skill.

updated Jul 2026

claude-code-self-autopsy

6
@mustfaunlu

Leaked Claude Code (Claude CLI) full architecture — 1,902 files, 512K lines, 89 feature gates, 39 tools, 101 commands. Analyzed by Claude itself. All numbers verified.

updated Jun 2026

claude-code-study

6
@paulosalvatore

Interactive study of Claude Code's architecture — bootstrap flow, tool system, 44 hidden features, subsystems map, and code archaeology from the March 2026 source leak

updated Apr 2026

aigate

6
@jricramc

AI Prompt Secret Scanner: local proxy and Claude Code hook that blocks secrets before they reach AI APIs

updated Apr 2026

find-skills-x

6
@jpwang1208

AI-powered skill discovery tool for finding and recommending agent skills across 8+ platforms

updated Jun 2026

token-guard

6
@dockplusai-ops

Automatic Claude Code hooks to reduce token waste — block heavy files, context warnings, cost logging

updated May 2026

claude-notifications

6
@dimokol

VS Code extension + notification hooks for Claude Code — focuses the correct terminal tab when clicking a notification

updated Jul 2026

fs25-claude-skill

6
@TheCodingDad-TisonK

Claude skill for FS25 mod development — 20+ validated pitfalls, 30+ patterns, live LUADOC & Giants source via WebFetch. Works for any user, no local files needed.

updated Apr 2026

newsroom-extension

6
@ehurrn

AI investigative journalism toolkit — OSINT, FOIA engineering, corporate veil piercing, libel defense, and editorial workflow. 15 skills for Claude Desktop, Claude Code, and Gemini CLI. Built to empower, not replace, human journalism.

updated Jun 2026

zernio-mcp

6
@Eyalm321

Model Context Protocol (MCP) server that gives Claude full access to the Zernio social media management API — 273 tools covering posts, analytics, inbox, ads, contacts, WhatsApp Business, and more across 14+ platforms.

updated Jul 2026

claude-code-setup

6
@kmshihab7878

Public-safe Claude Code operating setup with commands, skills, agents, hooks, MCP governance, context-budget discipline, and automated secret/public-safety validation.

updated May 2026

sci-introduction

6
@stephenlzc

A Claude Skill for writing publication-ready domestic and international literature reviews — five-step pipeline, eliminates citation chains, structured gap logic.

updated Jul 2026

charm-mature-skill

6
@zhangzhanglaila

🔥优雅魅力御姐 Skill,高级妩媚气质氛围感,合规安全的成熟女性 AI 人格|Claude Code Skill

updated Jul 2026

cx

6
@magidandrew

Claude Code Extensions. Unlock the full power of Claude.

updated Jul 2026
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