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

mcp-coder-bench

1
@mpecan

Benchmark tool for measuring MCP server effectiveness in LLM-assisted development

updated Feb 2026

claude-ticket-gen

1
@brett-buskirk

AI-powered CLI tool that parses roadmap documents and automatically generates GitHub issues with smart categorization and formatting.

updated Feb 2026

intergrado-claude-plugins

1
@intergrado

Community Claude Code plugins by Intergrado - LSP servers, developer tools, and productivity extensions

updated Jan 2026

pg-dev-claude-code

1
@flyinweb

PostgreSQL kernel and extension development best practices with TDD workflow, security-first approach, and extension-first principle

updated Jan 2026

ClaudeCodeUsage

1
@RamboXWang

Chrome extension to monitor Claude Code Usage with ease

updated Feb 2026

antigravity-awesome-skills

1
@lgcorzo

The Ultimate Collection of 500+ Agentic Skills for Claude Code/Antigravity/Cursor. Battle-tested, high-performance skills for AI agents including official skills from Anthropic and Vercel.

updated Jun 2026

reddit-research-skills

1
@lignertys

Reddit research skills for Claude Code and AI agents

updated May 2026

wp-coding-standards-claude-skill

1
@xonack

WordPress Coding Standards skill for Claude Code - WPCS enforcement, sanitization, escaping, nonce verification, PHPDoc patterns

updated Mar 2026

wp-woocommerce-claude-skill

1
@xonack

WordPress WooCommerce skill for Claude Code - Custom product types, payment gateways, HPOS, REST API, cart/checkout patterns

updated Apr 2026

github-knowledge-base

1
@evelyn9410

Claude Code skill for building a token-optimized knowledge base of GitHub repos and technical PDFs

updated Mar 2026

finance-mcp

1
@Harihara04sudhan

Python MCP server exposing finance and market-data tools to Claude and other LLMs. Deployable to Vercel.

updated Apr 2026

skills

1
@context-is-everything

Community-maintained Agent Skills built with and for Sasha Studio — the AI knowledge management platform by Context is Everything

updated Feb 2026

openclaw-serper

1
@nesdeq

Google search skill for OpenClaw via Serper. Full page content extracted concurrently with trafilatura — every result returns article text, not just snippets.

updated May 2026

openclaw-task-facilitator-skill

1
@rgvai

A custom Openclaw skill that streamlines task planning, coordination, and multi-session workflows using Claude's native Tasks system. Only compatible with Anthropic Claude models.

updated Feb 2026

bau-claude-skills

1
@brian-a-au

Personal collection of Claude Code skills

updated May 2026

claude-code-skill

1
@BEN-LBK

OpenClaw skill for running Anthropic Claude Code CLI

updated Apr 2026

clawdbot-claude-code-skill

1
@kmh0301

Clawdbot skill for integrating Anthropic Claude Code CLI

updated Apr 2026

sidstack

1
@junixlabs

Give Claude Code persistent project memory. 32 MCP tools for knowledge, impact analysis, governance & task management. Desktop app (Tauri) + CLI. Local-first, SQLite-based.

updated Mar 2026

claude-code-master

1
@enju0122

🛠 Master Claude Code with a complete guide on AI coding assistants, featuring agents, commands, skills, and rules to streamline your workflow.

updated Jun 2026

naze-lang

1
@jasonmamy

Declarative UI language that compiles to WASM and renders via Canvas2D — no DOM, no HTML, no CSS. Built for AI-native development.

updated Mar 2026

iris

1
@petal-labs

Go SDK + CLI for building AI apps with a unified multi-provider LLM interface (OpenAI, Anthropic, Gemini, Ollama, HuggingFace, etc.), streaming, tool/function calling, secure key management, retries, and observability hooks.

updated May 2026

chrome-ai-slider

1
@Trojanku

Slider extension for chrome-based browsers with AI chat using your codex/claude subscription tokens

updated Feb 2026

slow-down

1
@leovoon

Claude skill that slows agent down.

updated May 2026

claude-code-browser

1
@Bowers-Enterprises

VS Code extension for browsing and invoking Claude Code skills, agents, MCP servers, and plugins

updated Apr 2026
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