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

decisiontree

3
@SimonTheSalesBooster

Decision Tree skill for Claude Code — interviews you relentlessly before building

updated May 2026

claude-skills

3
@asinadarsh

154+ plug-and-play skills for Claude Code. Install in one command.

updated Apr 2026

CLAUDE-SPINNER-WORDS

3
@Amey-Thakur

Autonomous technical registry and configuration workstation for the Claude Code CLI state indicator mechanism.

updated Mar 2026

biz-fiction

3
@linxumoney

📖 商业叙事写作引擎 — 用写小说的方式写商业故事 | Business narrative fiction skill for Claude Code

updated May 2026

claude-code-starter

3
@barkleesanders

Production-ready Claude Code config: 35 agents, 48 skills, 21 commands, hooks, and permissions

updated May 2026

kindle-cover-skill

3
@nikmcfly

Claude skill: full-wrap paperback cover PDF for Amazon KDP (front + spine + back)

updated Jun 2026

drupal-contrib-workbench

3
@AJV009

Automated Drupal.org contribution workflow powered by Claude Code — skills, subagents, and mechanical enforcement hooks.

updated May 2026

be-kind-agent

3
@andrewxhill

Intercept and rewrite unkind prompts before they reach your coding agent. Hooks for Claude Code, Codex CLI, and Pi.

updated Apr 2026

claude-donna

3
@oliverhaas

Personal Claude Code plugin — skills, agents, and hooks for the full stack

updated May 2026

cc-enhanced

3
@camjac251

Power-user mod for the Claude Code CLI. Gives built-in tools the parameters they should have had (batched Edit, bat-style Read ranges, Bash output tails), unlocks hidden capabilities (max /effort, Tab-queued drafts, plan compact-execute), and fixes upstream bugs (shell quoting, LSP fan-out).

updated Jun 2026

claude-code-survival-toolkit

3
@DeveloperAlly

Community repair toolkit for Claude Code VS Code extension. 12 confirmed root causes, 9 fix scripts, 7 governance hooks. Built from 320 sessions of pain.

updated May 2026

arra-safety-hooks

3
@Soul-Brews-Studio

Claude Code safety hooks — enforcement over documentation

updated May 2026

AgentDebate

3
@DFerryman

A VS Code extension powered by the Agent Client Protocol that orchestrates multiple AI agent CLIs — including Claude Code, OpenCode, and Codex — into a roundtable discussion. Give it a topic, watch the agents deliberate, and get a synthesized final result.

updated Mar 2026

claude-config

3
@st4unch

Claude Code configuration - settings, hooks, skills, project memory

updated Jun 2026

session-to-obsidian

3
@hailanlan0577

Claude Code 会话记录自动归档到 Obsidian(SessionEnd/SessionStart hook)

updated May 2026

claude-code-sound-hooks

3
@AIBiz-Automatyzacje

Dźwięki systemowe po zdarzeniach w Claude Code. Słyszysz kiedy Claude Code skończył zadanie.

updated Apr 2026

harness-optimizer

3
@CaesiumY

Claude Code skill that diagnoses and improves harness configurations based on 8 design principles from Anthropic's harness design article

updated May 2026

claude-os

3
@justnau1020

An operating system for Claude Code. Skills, hooks (MCR), and a lean-context framework for smarter AI coding sessions.

updated Jun 2026

claudecode-architecture-guide-skill

3
@chenluda

An AI Agent Skill distilled from Claude Code (~1,900 files, 510K+ lines of TypeScript) — Anthropic's agentic CLI for software engineering. Use it to build new systems from scratch or retrofit architecture patterns into existing ones.

updated Apr 2026

devkit

3
@5uck1ess

A deterministic development harness for Claude Code — MCP workflow engine, enforcement hooks, YAML workflows, and multi-agent consensus (Claude + Codex + Antigravity/Gemini)

updated May 2026

claude-code-decompiled

3
@alanisme

🔍 Deep research reports based on Claude Code source analysis: architecture, agent loop, tool system, system prompts, telemetry, permissions, MCP integration, context management, persistence, and hidden features.

updated May 2026

claude-code-prompt

3
@mm7894215

Complete reverse-engineered documentation of all Claude Code system prompts, tool prompts, and product architecture with Mermaid diagrams

updated Apr 2026

Clawndom

3
@reid1b

Security hook for Claude Code. Checks packages against known vulnerabilities before install.

updated Apr 2026

claude-tokenomics-skill

3
@0xFannie

Claude Skill: structured crypto tokenomics expertise (design, TGE, vesting, compliance, GAAP)

updated May 2026
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