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

8250entries
★ starsA–Z name

gcloud

1
@wrsmith108
updated Mar 2026

tclaude

1
@tofutools

Claude Code CLI extensions and utilities

updated May 2026

Ciao-ChatGpt-Bonjour-Claude

1
@mindattic

JavaScript migration tool exporting full ChatGPT conversation history into Claude Projects via the Anthropic API.

updated May 2026

playwright-record-mp4

1
@tixuz

Claude Code skill: record Playwright browser automation as MP4 — auto ffmpeg detection, smart naming, clickable output link

updated May 2026

api-client-gen-skill

1
@showkkd133

Claude Code skill: generate TypeScript fetch/axios client + types + React Query hooks from OpenAPI spec

updated Apr 2026

Commercial-Real-Estate-AI-Tools

1
@ramraider011235

AI-powered commercial real estate analytics platform — automated lease underwriting, document Q&A, property profiling, market scraping, and geospatial mapping, built with Anthropic Claude, VoyageAI embeddings, and Streamlit.

updated Apr 2026

meridian

1
@mattjaikaran

Skill that gives AI coding agents persistent memory and quality enforcement

updated May 2026

lovespark-a11y-toolkit

1
@Joona-t

Accessibility auditing toolkit — WCAG contrast checker, Claude Code slash commands, and a recursive improvement system for extension development

updated May 2026

OpenClaw-Dev-Skill

1
@Cjy-CN

A skill that keeps Codex, Claude Code, and OpenClaw grounded in current OpenClaw docs for safe operations and reliable extension development.

updated Mar 2026

saas-incubator-skill

1
@Anderson-Collaborative

10-phase SaaS idea-to-revenue pipeline for Claude Code. SOSTAC framework, 90+ skills, multiswarm agents, SEO/AEO/GEO, paid ads engine.

updated Apr 2026

ionic-capacitor-skills

1
@gabriel-tutor

Claude Code Skill for building production-quality Ionic Capacitor mobile apps across React, Angular, and Vue. 100% benchmark pass rate.

updated Mar 2026

vscode-extension-opencode-claude-code-monitor

1
@janzofx

Dashboard for monitoring OpenCode and Claude Code sessions

updated Apr 2026

ClaudeExtensions

1
@PrafulSrivastava

Claude Code StatusLine hook that shows model, session cost, context window usage, and git branch in real time.

updated Apr 2026

m_AI_l

1
@playtosor

Asynchronous messaging between Claude threads — built entirely in Markdown.

updated May 2026

copy-path-for-claude-code-vscode

1
@inwpasit619

VS Code extension that copies file/folder references in Claude Code @-mention format (@path/to/file#L42-68).

updated May 2026

claude-skills

1
@skillsdirectory

A curated collection of the best skills, prompts & rules for Claude AI

updated Mar 2026

MCP-OpenAI-Project-Setup

1
@pavithrakumar1118

Alternative implementation of the Anthropic Model Context Protocol (MCP) course project using OpenAI API instead of Claude. Learn how to build MCP clients, servers, tools, and prompts with Python while following the official MCP architecture for AI agents and LLM tool integration.

updated Mar 2026

agent-arcade

1
@mshadmanrahman

Visualize AI agents as pixel art characters in a virtual office. VS Code/Cursor extension.

updated Apr 2026

swarm-builder-claude-cli-skill

1
@Joona-t

15-agent orchestration skill for Claude Code CLI — 6 Opus leads, 7 Sonnet specialists, 2 utility agents with scope boundaries, position-locked cross-feed, and 4-wave execution for building, auditing, and shipping browser extensions

updated Mar 2026

deepthink-skill

1
@TheNight-Watch

🧠 AI Thinking Coach for Claude Code — Stop letting AI think for you. Research from X/Perplexity/RSS, Socratic guided thinking, belief tracking.

updated Mar 2026

claude-windows-health-check

1
@codepros100-dev

Comprehensive Windows system health check, diagnostics & remediation skill for Claude Code. 7-category audit with scoring and automated fixes.

updated May 2026

india-equity-research

1
@AnshuAgrawal01

Claude Code skills for institutional-grade equity research on Indian markets (NSE/BSE). Adapted from Anthropic's financial-services-plugins.

updated Mar 2026

cybersecurity-skill

1
@electron44

Expert cybersecurity skill for Claude — OWASP, NIST CSF, ISO 27001, CIS Controls, LLM Security

updated Apr 2026

claude-eureka

1
@Gaaaavin

Claude Code skills for ML/AI researchers — experiment tracking, debugging, SLURM, and more

updated Apr 2026
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