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

aios-aiox-riaworks

12
@riaworks

Fixes e extensoes RIAWORKS para hooks do Synkra AIOS/AIOX no Claude Code

updated May 2026

clarc

12
@marvinrichter

Production-grade Claude Code workflow OS — agents, skills, hooks, commands, rules, and a continuous learning flywheel.

updated Jul 2026

r-claude-skills

12
@GiulSposito

Claude Skills compilation for R programing in Claude Code CLI (or VS Extension)

updated Jul 2026

claude-code-governance

12
@FC-FUZ

Automated governance framework for Claude Code — multi-model council, WIP lifecycle hooks, company memory, and security gates

updated Jul 2026

pm-pilot

12
@mshadmanrahman

Claude Code configured for PMs. Meeting prep, PRDs, stakeholder intel — 25 skills, ready to install.

updated Jul 2026

gstack-industrial

12
@kevintseng

Smart skill router for Claude Code — auto-suggests the right skill at the right moment based on message, git state, and dev phase

updated Jul 2026

aiup-alfresco

12
@aborroy

A Claude Code plugin that packages Alfresco extension development as slash commands, skills, and agents

updated Jul 2026

claumon

12
@fabioconcina

Claude Code dashboard: live rate-limit gauges, calibrated usage forecasts, session costs, memory browser. Single binary, zero config, plus a VS Code extension.

updated Jul 2026

claude-code-stock-analysis-skill

12
@xvary-research

Claude Code stock analysis skill: SEC EDGAR + market data, /analyze /score /compare — free, local Python tools. By XVARY Research.

updated Jul 2026

claude-code-hardened

12
@renefichtmueller

🛡️ Stop your AI from pushing secrets to GitHub. Security hooks, battle-tested rules, and a live validator for Claude Code. 5 hooks · 6 rules · 1 install script · 0 dependencies.

updated Jun 2026

recruiter-plugin

12
@andrew-shwetzer

Claude Code plugin with 22 AI recruiting skills. Source candidates, detect hiring signals, screen resumes, draft outreach, track pipelines. ATS-integrated. Free and open source.

updated Jul 2026

vigiles

12
@zernie

Like Lighthouse for your agent harness - verify your CLAUDE.md/AGENTS.md, skills & hooks are real, then test and measure they actually work. Claude Code + Codex.

updated Jul 2026

claude-design-skills

12
@master5d

Design-focused Agent Skills for Claude Code: UI/UX, interface design, typography, and motion. Emil Kowalski-inspired.

updated Jul 2026

pi-hooks

12
@hsingjui

Claude Code-compatible command hooks for the Pi coding agent

updated Jul 2026

claude-code-server-side-swift-skills

12
@melissa-pereira-deel

Production-ready Claude Code skills for server-side Swift (Vapor, Hummingbird) and Xcode Cloud CI/CD

updated Jul 2026

longhand

12
@Wynelson94

Lossless local memory for Claude Code. The full, unabbreviated version. Every tool call, every file edit, every thinking block — stored verbatim on your machine. Persistent memory without tokens.

updated Jul 2026

asamm

12
@scadastrangelove

Agentic SAMM - An OWASP SAMM Extension for AI-Driven Development

updated Jul 2026

thesis-writer

12
@ibrahim-kukash

AI-proof thesis-writing skill for Claude Code: writes chapters, scans for 14 AI writing patterns (23-point framework — 14 to avoid + 9 to apply), chapter-aware scoring, and viva prep. Based on Wikipedia 'Signs of AI writing'.

updated Jun 2026

claude-researcher

12
@maher-naija-pro

Structured research skill for Claude — parallel web search, test solutions, weighted scoring decisions

updated Jun 2026

html2elementor

12
@dudaster

Convert HTML + CSS to Elementor JSON (importable in WordPress). Works as a Claude Code / openclaw skill or standalone Python CLI. Local, no browser, no APIs. Handles AI-generated HTML, Tailwind mockups, static designs, and competitor sites.

updated Jul 2026

cad-khana

12
@cyberchitta

Claude Code skill and diagnostics-first Build123d wrapper for LLM-driven CAD iteration.

updated Jul 2026

eval-layer

12
@erezweinstein5

A Claude Code skill that adds a rubric-based eval layer to any agent project. Framework-agnostic — generates rubric, test cases, judge prompt, and harness. Returns a weighted score plus a judge-leniency signal.

updated Jul 2026

CTO-Skills

12
@yzfly

你不缺 idea, 你缺一个把 idea 想清楚的人。一场对话把想法变成可执行的软件设计 — Built for Claude Code

updated Jun 2026

claude-code-copywriting-skills

12
@robpalmer99

Five free Claude Code skills for direct response copywriting — by Rob Palmer. Companion to robpalmer.com/blog/claude-code-copywriting-skills

updated Jul 2026
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