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

playwright-autopilot

12
@kaizen-yutani

Autonomous Playwright E2E test fixer — Claude Code plugin with action capture, DOM snapshots, page object scanning, and business flow memory

updated May 2026

crypto-claude-desk

12
@hugoguerrap

Multi-agent cryptocurrency intelligence system built with Claude Code. 6 AI agents, 66 MCP tools, Agent Teams, zero orchestration code.

updated May 2026

data-science-plugin

12
@andikarachman

Data science and ML workflow tools for Claude Code. 6 agents, 4 commands, 6 skills for problem framing, EDA, experimentation, and knowledge compounding.

updated May 2026

McpVanguard

12
@provnai

An open-source security proxy and active firewall for the Model Context Protocol (MCP). It acts as a real-time 'Reflex System' between AI agents and their tools, protecting the host system from malicious intent, prompt injection, and data exfiltration.

updated May 2026

aios-aiox-riaworks

12
@riaworks

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

updated May 2026

temper

12
@galando

Temper is a plugin for Claude Code & Cursor that closes the quality gap in AI-generated code

updated Jun 2026

xreview

12
@davidleitw

Agent-native code review engine for Claude Code — delegates review to Codex for independent three-party consensus

updated Apr 2026

ClaudeCodeJuliaLSP

12
@alecloudenback

Julia language server plugin for Claude Code

updated May 2026

brand.md

12
@caiopizzol

brand.md — an open standard for brand identity files. Like AGENTS.md for coding agents, brand.md gives AI tools your brand context.

updated Jun 2026

kling-ai-prompt-generator

12
@maciejdzierzek

Claude plugin for Kling AI video prompts. Works with Claude.ai, Claude Desktop & Claude Code. I2V, T2V, Motion Control, Storyboards. Try live: maciejdzierzek.com

updated May 2026

agentpack

12
@OlegHQ

🤖 The package manager for AI coding agents — pin, resolve, and sync skills & plugins across Claude Code, Cursor, OpenCode, Codex, Grok, and Antigravity

updated Jun 2026

my-marketplace

12
@ubranch

a collection of productivity skills for claude code.

updated Apr 2026

graperoot-plugin

12
@kunal12203

Dual-graph code context plugin for Claude Code — structural call graph + dependency graph

updated Apr 2026

claude-replan

12
@kojott

Claude Code plugin for validating implementation plans with parallel review subagents — checks codebase alignment, best practices, feasibility, and blind spots before execution

updated May 2026

claude-code-katex

12
@MahammadNuriyev62

VSCode extension that adds LaTeX math rendering to Claude Code using KaTeX

updated Jun 2026

claude-focus

12
@NicolasKoriakos

Claude Code plugin — auto-focuses VS Code on input needed, task complete, or errors

updated May 2026

evey-bridge-plugin

12
@42-evey

Claude Code plugin for bridging with Evey (hermes-agent). Auto-checks messages, Mother Mode loop, quick status.

updated May 2026

meta-mcp-server

12
@oliverames

The most comprehensive MCP server for Meta's business platform. 200+ tools covering Facebook Pages, Instagram, Threads, Ads Manager, Commerce, Conversions API, Audiences, Insights, and Ad Library.

updated May 2026

content-pipeline-skill

12
@arturseo-geo

Multi-agent content production skill for Claude Code — 6 specialist agents (research, writer, editor, SEO/GEO, analytics, master QA gate) with handoff protocols, quality checkpoints, and analytics integration. By TheGEOLab.net

updated May 2026

seo-drift-monitor

12
@dancolta

Detects when a deploy silently ships a noindex, drops a schema block, or rewrites your canonical. Baselines a page's SEO contract, diffs every change with Critical/Warning/Info severity, and points fixes to claude-seo sub-skills. A Claude Code skill. Open source.

updated Jun 2026

joycraft

12
@maksutovic

CLI + Claude Code plugin that scaffolds and upgrades AI development harnesses — from vibe coding to autonomous spec-driven development

updated Jun 2026

AI-Dataset-Generator

12
@Bhanunamikaze

Tool-native dataset generation skill for Codex, Claude Code, and Antigravity with SFT/DPO pipelines, verification, deduplication, and flexible export.

updated May 2026

AlterLab_GameForge

12
@AlterLab-IEU

🎮 34 production-grade Claude Code skills for indie game development — studio agents, workflow skills, engine specialists, genre packs, and CI validation. From concept to launch.

updated May 2026

agent-skills

12
@willwebster5

Claude Code skills and plugins

updated May 2026
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