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

8165entries
★ starsA–Z name

codex-plugin-cc

1
@carolafortified787

Use Codex in Claude Code for code reviews and delegated tasks with background job control

updated Jun 2026

claude-skill-check-vscode

1
@MukundaKatta

VS Code extension that lints Claude Code SKILL.md files inline. Editor companion to the claude-skill-check PyPI package.

updated Apr 2026

fangxin-image-gen

1
@metafeng

Claude Skills / Codex 中文图片生成 Skill:基于放心 API(fangxinapi.com)的 gpt-image-2,支持文生图、改图、多图合成与 URL 输入

updated Apr 2026

ai-agents

1
@Claws-ZH

AI agent fleet — devops, finance, media, office, social. Shared Anthropic Claude API loop, domain-specific tools.

updated Apr 2026

vixero-skills

1
@Vix0007

Token-efficient Agent Skills for Claude — Pillar 1: meta-skills ≤650t, Pillar 1.5: coding discipline

updated Apr 2026

content-researcher-skill

1
@pritesh-crypto

Claude skill that turns any Instagram or TikTok page into a data-backed video content report. Scrapes 100 posts via Apify, runs 5-phase analysis, outputs a 28-40 page .docx report with the next 10 videos the brand should shoot.

updated Apr 2026

mev-bundles-skill

1
@Vo1ganin

Claude Code skill for Solana MEV bundles & bribes — what they are, how to find & identify on-chain, Jito + 8 other relays

updated May 2026

kainclaw

1
@cain0501

Open-source desktop AI agent client with MCP, tools, multi-provider support, design workflows, and image workflows.

updated May 2026

unofficial-webflow-clientfirst-skill

1
@fernandocomet

An unofficial Claude skill for Webflow projects using the Client-First framework by Finsweet

updated May 2026

library-os

1
@frankxai

The open-source Library Intelligence System — capture, extract, and publish every book you read into a permanent deep-dive on your own website.

updated May 2026

cowork-starter-pack

1
@TheCraigHewitt

Seven universal skills, context file templates, global instructions, and a curated prompt library for Claude Co-work.

updated Apr 2026

claude-code-model-launcher

1
@Frog1205

Claude Code skill that adds one-command launchers for third-party LLM backends (GLM / DeepSeek / Qwen / Kimi) via Anthropic-compatible endpoints.

updated Apr 2026

awesome-claude-universe

1
@Najeebullah3124

Curated monorepo: 70+ Claude Code, MCP, skills & tooling snapshots + MANIFEST. For R&D and discovery

updated Apr 2026

MCP-Chatbot

1
@thevaginazz

CLI-based MCP chatbot built with FastMCP Python SDK and Anthropic Claude API. Includes custom document read/write tools using Model Context Protocol architecture.

updated Apr 2026

awesome-codex-cli

1
@commonplace-middledistance109

Explore a curated list of 280+ OpenAI Codex CLI tools, skills, subagents, plugins, and resources

updated Jun 2026

claude-code-reverse-engineering

1
@Arteriogramtrombiculiasis120

Explore reverse engineering specs for Claude Code CLI, with implementation-ready design docs from source map analysis of the npm package

updated Jun 2026

java-clean-code-skill

1
@nxd1184

Clean Code principles applied to Java by Claude Code — 20 rules, 12 references, 10 before/after pairs (Spring Boot · plain Java · domain). Installable Claude Code skill.

updated Apr 2026

bust-apologizer

1
@paperli

Bust Apologizer is a playful Claude Skill that adjusts apology style based on how far an assistant response missed the mark. It uses a simple ASCII severity meter to make "my bad" moments more visible without making the apology too heavy.

updated Apr 2026

claude-code-from-scratch

1
@Alihusn3392

Build Claude Code from scratch with a step-by-step tutorial in TypeScript and Python for learning agent coding tools

updated Jun 2026

password-standard

1
@grcwarlock

Claude Code skill that generates absurdly secure passwords satisfying the Warlock Password Standard: 247+ chars, a verified prime, a differential equation, an anti-hero arc, and a Shyamalan twist.

updated Apr 2026

claude-code-setup

1
@iromanovich

CLAUDE.md templates and skills for Shopify, Figma MCP, and Claude Code workflows

updated May 2026

Elara

1
@EdleyEngineers

A discreet logging tool for domestic abuse victims, Elara was built in 6 hours at Vanderbilt’s Anthropic-sponsored Claude Builders Club hackathon. Using 'Dynamic Theme Camouflage,' it masks its UI to appear like mundane sites, allowing users to securely log evidence through hidden inputs and export records to authorities without alerting an abuser.

updated Apr 2026

the-extension

1
@aidanjnn

claude code for building extensions

updated May 2026

claude-sandbox-env

1
@cubexteam

A complete snapshot of Claude's isolated Linux execution environment — OS, Python/Node.js packages, Skills, env vars, processes and full file tree.

updated Apr 2026
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