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

8239entries
★ starsA–Z name

ai-codebase-boilerplate

11
@0xUXDesign

A battle-tested framework for building production-ready code with AI coding agents. TypeScript/React focused. Biome, Knip, Stryker, Lefthook, Claude Code hooks.

updated May 2026

llmstrip

11
@HugoLopes45

Strip LLM writing patterns from prose, code comments, and commits — CLI, Claude Code skill, Cursor rule, and LLM system prompt.

updated Jul 2026

capacitor-mobile-claw

11
@rogelioRuiz

On-device AI agent engine for mobile apps — embedded Node.js worker with Claude LLM, file tools, code execution, git, and extensible MCP device tools

updated Jul 2026

claude-code-config

11
@RohiRIK

Personal Claude Code global config — hooks, agents, skills, commands

updated Jul 2026

claude-doctor-skill

11
@SomeStay07

46 automated checks across 6 layers. Project health audit skill for Claude Code. Security first. Zero dependencies.

updated Apr 2026

ai-vampire-guard

11
@cbruyndoncx

Monitor your Claude Code burn rate. Prevent AI-amplified burnout. Single-file Python script with SVG gauge, trend sparkline, and automatic hooks.

updated May 2026

clarc

11
@marvinrichter

Production-grade Claude Code workflow OS — agents, skills, hooks, commands, rules, and a continuous learning flywheel.

updated Jul 2026

prism-scanner

11
@aidongise-cell

Open-source security scanner for AI Agent skills, plugins & MCP servers. 39 detection rules. pip install prism-scanner

updated May 2026

claude-skills-collection

11
@khalilbenaz

349 skills open-source pour Claude Code — 34 domaines : dev, agents IA, AI/ML, cloud, database, DevOps, testing, sécurité, networking, Linux, automation, marketing, IoT, communication, data, freelance, management, et vie quotidienne.

updated Jul 2026

memento-vault

11
@sandsower

Persistent knowledge capture for coding agents. Auto-triages sessions into searchable Zettelkasten notes with epistemic metadata. Works with Claude Code, Codex, Cursor, Windsurf via hooks or MCP. Local-only, markdown + git.

updated Jul 2026

oraclaw

11
@Whatsonyourmind

Deterministic decision-intelligence MCP server for AI agents — 17 tools (bandits/LinUCB, HiGHS LP/MIP, PageRank, Monte Carlo, CMA-ES, conformal). Sub-25ms. Zero LLM cost. 11 free, no key. Listed on the MCP Registry & Glama.

updated Jul 2026

master-instructional-design

11
@narosemena

A Claude skill embodying a 30-year veteran ID practitioner — 15 engagement modes, 31 reference files, full L&D spectrum

updated Jul 2026

brv-claude-plugin

11
@campfirein

Native plugin between ByteRover CLI and Claude Code auto-memory via hooks

updated May 2026

hayba

11
@zajalist

Agentic MCP toolkit for UE5 — 100+ tools across 34 domains, PCG SQLite registry, cognitive map, SpatialCLIP grounding. The ultimate engine for spatial and procedural world-building.

updated Jul 2026

Ai-Answer-Synthesizer

11
@knightkar

Stop reading 5 AI answers. Get one clear recommendation. A Claude Skill for intelligent multi-model response synthesis.

updated Jun 2026

white-ops

11
@Hesper-Labs

Open-source AI workforce platform. 55 tools, 21-page admin panel, multi-LLM (Claude/GPT/Gemini/Ollama), multi-PC deployment. Automates office tasks: Excel, email, CRM, invoicing, web research, and more.

updated Jun 2026

viper-2.0

11
@postgigg

Claude Code stop hook — automated code review via Codex CLI

updated Jun 2026

claudeworks

11
@Mduffy37

Profile manager and plugin marketplace for Claude Code. Per-profile MCPs, skills, agents, and slash commands. Multi-agent teams. macOS, open source.

updated Jun 2026

polymarket-agent-mcp

11
@demwick

The most comprehensive MCP server for Polymarket — 48 tools spanning direct trading, market discovery, smart money tracking, copy trading, backtesting, risk management, and portfolio optimization. Works with Claude Code, Cursor, or any MCP-compatible client.

updated Jul 2026

aigate

11
@psyb0t

A self-hosted AI platform — inference, tool use, browser automation, image generation, speech synthesis, transcription, object storage, agentic code execution, and more — behind a single OpenAI-compatible endpoint. One docker-compose up.

updated Jul 2026

claude-skill-business-analyst

11
@Zuojuzhang

A decision-driven business analyst skill for Claude Code | 面向决策者的商业分析师 skill

updated Jul 2026

claude-code-brain-bootstrap

11
@brain-bootstrap

🧠 Give Claude Code the operating context it's missing: persistent rules, enforced hooks, on-demand skills and deep knowledge of your codebase.

updated Apr 2026

meta-ads-api-field-guide

11
@YSY-99

Claude Code + Meta Ads without disasters. A drop-in skill, 3 subagents, and safety hooks for marketers automating Facebook/Instagram campaigns. 13 field guides, 23 production pitfalls solved.

updated Jul 2026

magician

11
@Alexander-Tyagunov

Full-stack SDLC plugin for Claude Code & Codex — from idea to merged PR, autonomously. 25 skills, a local code knowledge-graph, cross-session memory, parallel agent orchestration, and an absolute destructive-command guard.

updated Jul 2026
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