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

8241entries
★ starsA–Z name

fable-it

14
@DevOtts

Autonomous delivery orchestrator for Claude Code — hand it a goal and a numbered Definition of Done, it runs the whole job to completion

updated Jul 2026

zero-drift

14
@obrenoalvim

Keeps AI assistants on track during long conversations by tracking tasks across sessions

updated Jul 2026

CC-Vision

14
@odebo

Give non-multimodal Claude Code main models the ability to see pasted screenshots — a ~200-line UserPromptSubmit hook.

updated Jul 2026

squawk

14
@nov1n

Smart notifications for Claude Code on macOS.

updated Jul 2026

chase-ai-skills

14
@cth9191

Claude Code skill pack for the Chase AI+ community. Plugin marketplace: chase-ai-plus.

updated Jul 2026

product-eval

14
@sparkline-ventures

product-eval makes product managers more productive and their decisions more confident by scanning customer signals across their tools and the web, prioritizing the problems worth solving by impact and strength of evidence, and handing a build-ready spec to their design or coding agent. For Claude Code and Codex.

updated Jul 2026

hypervibe-harness

14
@flavien-ia

Hypervibe: open-source Claude Code plugin that bootstraps full-stack T3 web apps (Next.js, tRPC, Drizzle, Tailwind, shadcn/ui) with modular addons. Install: /plugin marketplace add flavien-ia/hypervibe-harness

updated Jul 2026

Knowledge-Teacher

14
@m1908293028-boop

Knowledge Teacher 能够根据你的知识水平自适应调整讲解深度,生成系统、完整的教学文档。它遵循"课本式"教学框架,从直觉引入到原理推导,支持对话、Markdown、HTML三种输出格式,适合学习、工作和研究场景。

updated Jul 2026

context-kernel

14
@Pinperepette

Task-induced context normalization for coding agents — a native Claude Code plugin. The task induces a projection; operators preserve the answer, not just shrink tokens. Deterministic, stdlib-only, 117 tests.

updated Jul 2026

Fitness-Tools

13
@Jeffallan

A Python package with agent skills for body composition, rep max estimation, and macronutrient planning.

updated Jun 2026

blocc

13
@shuntaka9576

Execute multiple commands and block Claude Code Hooks by returning exit 2 with stderr on failures 🛡️

updated Jan 2026

courtlistener-mcp

13
@blakeox

An MCP server that bridges Anthropic’s Claude (and other LLMs) with the CourtListener API for live legal data—opinions, dockets, court records, and more. Designed to power legal research and compliance tools with transparency, reliability, and fewer hallucinations. Scalable, open, and easy to extend.

updated Jul 2026

sjungling-claude-plugins

13
@sjungling

personal collection of Claude Code plugins

updated Jul 2026

claude-code-plugins

13
@emdashcodes

Claude Code plugins featuring specialized agents, commands, and development skills.

updated Jul 2026

SkillsforAudit

13
@GenAICPA

AI-assisted financial audit workflows using Claude Skills

updated Jul 2026

claude-code-plugins

13
@motlin

A Claude Code skill for tracking and completing tasks from a markdown task list

updated Jul 2026

gemini-search-plugin

13
@d-oit

Advanced Claude Code plugin for web search using Gemini CLI with caching, analytics, and validation. Includes comprehensive skills for plugin development.

updated Jun 2026

agent-engineering-handbook

13
@d-padmanabhan

Engineering handbook for AI coding agents - rules, skills, slash commands, MCP server, and hooks for Cursor, Claude Code, and Codex

updated Jul 2026

vercel-deploy-claude-code-plugin

13
@vercel
updated Jul 2026

claude-coach-plugin

13
@netresearch

Agent Skill: Self-improving learning system - detects friction, proposes improvements | Claude Code compatible

updated Jul 2026

ariff-claude-plugins

13
@a-ariff

65 plugins that turn Claude Code into an autonomous development team. 24 agents, 34 skills, 5 hooks. Includes 12-plugin anti-hallucination suite. One-line install.

updated Jun 2026

claude-copilot

13
@Everyone-Needs-A-Copilot

Transform Claude Code into a full development team. 11 specialized agents (Architect, Engineer, QA, Security, UX, DevOps, and more), persistent memory across sessions, and 25,000+ on-demand skills. Works immediately for solo devs—customizable with your team's standards, methodologies, and proprietary knowledge.

updated Jul 2026

claude-context-bar

13
@edenaion

VScode extension enabling real-time context window monitoring for Claude Code sessions. See token counts in your status bar with color-coded warnings.

updated Jul 2026

apple-notes

13
@ALucek

Claude Code Plugin for Interacting with Apple Notes via Agent Skills

updated Jul 2026
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