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

8237entries
★ starsA–Z name

claude-code-prompt-architecture-guide

3
@WKingDeveloper

Claude Code 프롬프트 아키텍처 범용 가이드 (한국어) — .claude/ 설정, CLAUDE.md, Skills, Agents, Hooks 체계적 구축 가이드

updated May 2026

agent-skill-layerproof

3
@compilet-dev

Public Agent Skill Repo for LayerProof

updated May 2026

claude-plugins

3
@debytesio

Claude Code plugin marketplace by DeBytes — AI-powered tools for productivity

updated Apr 2026

vault-os

3
@thereisno-tomorrow

Context engineering for Claude Code. Hooks, commands, and structured markdown that make AI sessions resumable and cross-project context loading deterministic.

updated Jul 2026

agentic-cia-intelligence-system

3
@hiveagents-dev

🕵️ CIA Intelligence Cycle - Corporate Analysis System - Claude Code Multi-Agents - A comprehensive framework for executing intelligence analysis following the CIA Intelligence Cycle methodology, optimized for Claude Code with subagents, hooks, skills, and slash commands.

updated Jul 2026

claude-hook-experiment

3
@nyosegawa

Reproducible Claude Code hook experiments for validating settings-based hook behavior

updated Mar 2026

design-space

3
@whiteport-collective

Design Space monorepo — Supabase backend, MCP server, Claude Code hooks, and agent workspaces for cross-LLM design knowledge and collaboration.

updated Apr 2026

cadence-hooks

3
@cameronsjo

Compiled Claude Code hooks — single binary for cadence, git-guardrails, rules, and obsidian plugins

updated Jul 2026

claude-code-sidecar

3
@snagnever

CLI hook for Claude Code that intercepts commands before execution. Supports list-based filtering (block/allow/ask/alter) and risk-level scoring. Configure via TOML files to auto-approve safe commands, block dangerous ones, rewrite risky commands, or prompt for confirmation. Runs as a PreToolUse hook with multiple operating modes.

updated May 2026

opencode-hooks-plugin

3
@romain325

Use claude code hooks definition in opencode.

updated May 2026

scaffold

3
@lee-fuhr

Starter kit for building a Claude Code operating system — hooks, skills, scripts, LaunchAgents

updated Jul 2026

agent-arcade

3
@mshadmanrahman

Visualize AI agents as pixel art characters in a virtual office. VS Code/Cursor extension.

updated Jul 2026

prospect-brief

3
@thenikkimatlock

Claude Code skill: researches any local business and builds a complete pattern-interrupt cold outreach package — call script, voicemail, email, Loom hooks, follow-up sequence, and CRM handoff.

updated Mar 2026

claude-code-config

3
@jiaheyi-maggie

Personal Claude Code configuration — commands, hooks, settings, and global instructions

updated Apr 2026

plugin-doubt-gate

3
@johnlindquist

Claude Code Stop hook plugin that detects uncertainty in assistant messages and requests verification

updated Mar 2026

claude-code-101

3
@loganhc-09

Visual guide to Claude Code architecture — MCP, connectors, skills, plugins, subagents, hooks. By Logan Currie (logancurrie.com)

updated Jul 2026

claude-code-starter-kit

3
@DevHammad0

Production-ready Claude Code configuration: 10 agents, 14 commands, 27 skills, 7 MCP servers, hooks & rules for Next.js + FastAPI + Better Auth + Supabase + Docker projects

updated May 2026

bio-research-lookup

3
@tetervak80-max

🔬 Claude Code skill — scientific paper search across PubMed, Semantic Scholar, ClinicalTrials.gov & bioRxiv. Medicine, biology, psychology, health.

updated Jul 2026

ai-shield

3
@studiomeyer-io

LLM security toolkit — prompt injection detection, PII masking, cost tracking, and tool policies. Zero dependencies. <25ms scans.

updated Jul 2026

claude-backup

3
@ryan-mt

Claude Code power configuration — 10 rules, 7 agents, 9 hooks, 5 commands, 7 skills, model routing. Cross-platform (Linux + macOS). Install: ./install.sh

updated Apr 2026

personal-memory-system

3
@braxtonROSE4

Every AI memory framework stores and searches memories. But storing ≠ using. PMS solves the second problem — a memory consumption methodology for Claude Code and OpenClaw that transforms stored memories into actionable lessons, so your agent gets measurably better at helping you work. Built on 4 Hooks + 1 MCP server + 1 indexer.

updated May 2026

ai-git-hooks

3
@raihanalfayz

Automate git workflows with AI-powered hooks that review code, generate and validate commit messages, and scan for bugs and security issues.

updated Jul 2026

claude-skills

3
@Imran-ml

Reusable Claude Code configuration repository with skills, subagents, hooks, MCP setup, and examples for bootstrapping new projects.

updated Jul 2026

claude-code-hooks

3
@base76-research-lab
updated Mar 2026
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