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

openarche

12
@Done-0

OpenArche is a harness-first Claude Code plugin for non-trivial engineering work. It keeps complex tasks from closing before planning, validation, review, and closeout are explicit.

updated Apr 2026

infostyle-skill

12
@artgas1

Claude Code skill for editing Russian text using Ilyakhov's information style (инфостиль). First-ever AI skill based on 'Пиши, сокращай' methodology.

updated May 2026

claude-automata

12
@clomia

claude code plugin marketplace

updated Apr 2026

x-dev-pipeline

12
@KtKID

Development workflow plugin for AI coding agents with structured req/plan/dev/review/fix loops and a lightweight quick-dev entry.

updated May 2026

autoresearch-skill-Andrej-Karpathy

12
@Muminur

Claude Code skill for autonomous, goal-directed iteration. /autoresearch <goal> builds a real-data benchmark harness, captures a baseline, and iterates with a regression gate until the goal is hit. Inspired by Andrej Karpathy's autoresearch.

updated May 2026

claude-academic-research

12
@mronkko

Claude Code plugin for academic research: MCP-grounded citations, empirical integrity, systematic reviews, Zotero operations, and parallel-critic manuscript revision.

updated May 2026

vibeprospecting-plugin

12
@explorium-ai

Power your chat with B2B data to create lead lists, research companies, personalize your outreach, and more.

updated May 2026

korean-patent-diagram

12
@kimlawtech

특허 명세서를 입력하면 도면 유형을 자동 분석해 PNG로 생성하는 Claude Code 스킬. 플로우차트·블록도·상태도·그래프·공정도 지원. KIPO 규격(300 DPI, 흑백, A4) 준수.

updated May 2026

vanguard-frontier-agentic

12
@Raishin

Curated marketplace of AI skills, agents, and rules for cloud, zero-trust, and compliance-aware engineering - works with Claude Code, Codex, Cursor, Copilot, and more.

updated Jun 2026

agent-flow

12
@asysta-act

Claude Code plugin - automates bug-fix, feature, and scaffold workflows using 17 specialized AI agents

updated Jun 2026

BridgeSecurity

12
@bridge-mind

Find vulnerabilities. Ship secure. — Senior security-engineer skill for AI coding agents. OWASP Top 10, CWE Top 25, secrets detection, IaC + CI hardening, and a read-only auditor subagent. MIT.

updated Jun 2026

hooker

12
@duytrandt04-afk

Real-time hook event monitoring dashboard for Claude Code and Codex (expand in the furure), with session timelines, diff views, and token usage analytics.

updated Jun 2026

virtual-workspace

12
@filipealva

Claude Code/Codex plugin: create virtual multi-repo workspaces that unify agents/commands/skills/hooks across sibling git repos.

updated May 2026

eachlabs-ai-plugin

12
@bulbulogludemir

Codex and Claude Code plugin for each::labs MCP and generative media APIs

updated May 2026

llm-dark-patterns

12
@waitdeadai

Umbrella for the LLM Dark Patterns Hooks suite — single-purpose Claude Code Stop hooks that suppress sycophancy, paternalism, false-success, permission-loops, training-cutoff confidence at the textual boundary.

updated Jun 2026

mcp-man

12
@aaglexx

Postman for MCP servers — inspect tools, test live, browse 150+ servers

updated May 2026

situk-yangtao-perspective

12
@situker

杨涛(涛哥/涛神)认知操作系统蒸馏 · Claude Skill · 970 万字一手输出蒸馏 · 已获杨涛本人授权

updated May 2026

aisearch

11
@Zelex

An AI Code Search Utility Tool with sonnet 3.7 or o4-mini

updated Jul 2025

agentapi-dify-plugin

11
@stvlynn

Control coding agents like Claude Code, Goose, Aider, and Codex with an HTTP API. This plugin allows Dify to interact with a running AgentAPI server.

updated Mar 2026

claudeboard

11
@dkodr

VS Code extension for sharing clipboard images with Claude Code on remote servers via Remote-SSH. Upload screenshots instantly and get shareable file paths for seamless AI workflows.

updated Jun 2026

claude-code-router-extensions

11
@jayyeungchan

万物 - Claude Code Router 命令行工具扩展

updated Nov 2025

awesome-mcp

11
@timunbasah3

🚀 Discover and explore a curated list of MCP servers, tools, and resources for AI assistants, enhancing your development and productivity.

updated Jun 2026

cc-plugins

11
@yanmxa

Claude Code plugins for lazy developers (in a good way) - automate and capture workflows to reclaim your time

updated May 2026

claude-code-extensions

11
@nodnarbnitram

These are a collection of extension for Claude Code that can typically also be used in opencode.

updated May 2026
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