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

kubernetes-skill

346
@LukasNiessen

Kubernetes Skill for Claude Code and Codex. LLMs hallucinate a lot with K8s - KubeShark fixes this. It eliminates hallucinations and grounds your Kubernetes, Helm etc official best practices.

updated May 2026

awesome-claude-api

346
@peter123023

收集和整理的可靠Claude中转API资源列表,帮助开发者快速找到稳定、高性价比的Claude API服务

updated May 2026

dex

345
@dcramer

Task tracking for Agents

updated Jun 2026

awesome-ai-coding-techniques

344
@inmve

Practical techniques for coding with ai assistants (Claude Code, Codex CLI, Cursor, GitHub Copilot, etc). Available in: English • Español • Deutsch • Français • 日本語

updated May 2026

solomd

344
@zhitongblog

A markdown editor — and the bridge to your LLM. Local-first, MIT, ~15 MB. Bundled MCP server lets Claude Code / Codex / Cursor drive your vault directly. 14 AI providers BYOK.

updated Jun 2026

claude-design-card

344
@geekjourneyx

Claude Code skill for generating design cards in 14 formats — platform covers, social sharing cards, and editorial layouts following Anthropic

updated Jun 2026

linear-mcp-server

343
@jerhadf

A server that integrates Linear's project management system with the Model Context Protocol (MCP) to allow LLMs to interact with Linear.

updated May 2026

PostTrainBench

343
@aisa-group

Measuring how well CLI agents like Claude Code or Codex CLI can post-train base LLMs on a single H100 GPU in 10 hours

updated Jun 2026

pbi-cli

343
@MinaSaad1

Power BI CLI - semantic models (.NET TOM) and PBIR reports for token-efficient AI agent usage, built for Claude Code

updated May 2026

lovcode

342
@lovstudio

A desktop companion app for AI coding tools. Browse Claude Code chat history, manage configurations, commands, skills, and more.

updated May 2026

chainlink

341
@dollspace-gay

A CLI issue tracker for AI Agents

updated May 2026

clawd-mochi

341
@yousifamanuel

Clawd Mochi: a physical desk companion inspired by Clawd (Claude Code mascot)

updated Jun 2026

kindly-web-search-mcp-server

339
@Shelpuk-AI-Technology-Consulting

Kindly Web Search MCP Server: Web search + robust content retrieval for AI coding tools (Claude Code, Codex, Cursor, GitHub Copilot, Gemini, etc.) and AI agents (Claude Desktop, OpenClaw, Hermes, etc.). Supports Serper, Tavily, and SearXNG.

updated May 2026

smart-ralph

339
@tzachbon

Spec-driven development with smart compaction. Claude Code plugin combining Ralph Wiggum loop with structured specification workflow.

updated May 2026

clawdcursor

338
@AmrDab

MCP-powered fallback layer that lets AI agents execute tasks through the GUI when APIs, tools, or direct integrations are unavailable. Cross-OS, accessibility-first, local-only.

updated May 2026

Octopoda-OS

338
@RyjoxTechnologies

The open-source memory operating system for AI agents. Persistent memory, semantic search, loop detection, agent messaging, crash recovery, and real-time observability.

updated May 2026

the-pair

337
@timwuhaotian

The Pair - Automated pair programming — grab a coffee while two AI agents cross-check each other's work

updated May 2026

mcp-server-12306

335
@drfccv

12306 MCP Server​​ 是一个基于 ​​Model Context Protocol (MCP)​​ 的高性能火车票查询后端系统。它通过标准化接口提供官方 12306 的实时数据服务,包括余票查询、车站信息、列车经停站、中转换乘方案等核心功能。

updated May 2026

marketplace

335
@aiskillstore

Security-audited skills for Claude, Codex & Claude Code. One-click install, quality verified.

updated May 2026

tinystruct

334
@tinystruct

A lightweight, modular Java application framework for web and CLI development, designed for AI integration and plugin-based architecture. Enabling developers to create robust solutions with ease for building efficient and scalable applications.

updated May 2026

obsidian-mcp-plugin

334
@aaronsb

High-performance Model Context Protocol (MCP) server for Obsidian that provides AI tools with direct vault access through semantic operations and HTTP transport.

updated May 2026

redd-archiver

334
@19-84

A PostgreSQL-backed archive generator that creates browsable HTML archives from link aggregator platforms including Reddit, Voat, and Ruqqus.

updated May 2026

discord-mcp

333
@SaseQ

A MCP server for the Discord integration. Enable your AI assistants to seamlessly interact with Discord. Enhance your Discord experience with powerful automation capabilities.

updated May 2026

mcp-server-code-execution-mode

333
@elusznik

An MCP server that executes Python code in isolated rootless containers with optional MCP server proxying. Implementation of Anthropic's and Cloudflare's ideas for reducing MCP tool definitions context bloat.

updated May 2026
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