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

harnish

4
@jazz1x

Harness Claude for autonomous implementation — turn every failure into a guardrail and let context persist across sessions and worktrees.

updated May 2026

pp-Echo

4
@CHEN2003-CHIP

🤖5 分钟跑通,7 天读懂,从 0 实现一个能规划、能调用工具、能审批、能回退、能记忆的 Claude Code / Cursor 式本地 Agent。

updated May 2026

claude-power-skills

4
@irfad7

20 power-user skills for Claude Code — session management, multi-agent orchestration, adversarial testing, calibrated estimation, decision archaeology, and more. Drop-in SKILL.md files that turn your AI coding agent into a senior engineering partner.

updated May 2026

claude-code-map

4
@HaiDong-Once

Reverse-engineered source code architecture of Claude Code CLI — 4,756 TypeScript files reconstructed from cli.js.map. Deep analysis of QueryEngine, Tools, Bridge, MCP integration, Ink UI, and more.

updated Jun 2026

legal-ai-architect-toolkit

4
@OneC0de

Curated prompts, workflows, and frameworks for lawyers using Claude AI. Built by Donna Scaffidi, The Legal AI Architect | Head of AI & Legal Innovation at Ruli AI.

updated Apr 2026

doc-harness

4
@cilidinezy-commits

Document-based project control for AI-human collaboration. A Claude Code skill that lets any agent resume work from files alone — no external memory needed. Tracks progress across sessions, detects interrupted phase transitions, coordinates multiple projects via file-based inbox/outbox.

updated Apr 2026

building-multiagent-systems

4
@2389-research

Architecture patterns for multi-agent systems with orchestrators, sub-agents, and tool coordination

updated Apr 2026

harnessbridge

4
@yitianlian

Portable agent harness configuration. Convert rules, skills, hooks, memory and MCP configs between Claude Code, Cursor, Windsurf, Copilot, OpenCode and Codex CLI.

updated May 2026

obsidian-kb

4
@chiKeka

Claude Code skill: analyze any project and build a three-tier knowledge base (LLM context packs + Obsidian wiki). Inspired by Karpathy.

updated May 2026

claude-apd

4
@zstevovich

Agent Pipeline Development — enforced Claude Code development framework with pipeline gates, guard hooks, and memory system

updated Jun 2026

Veriflow-agent

4
@bjwanneng

VeriFlow-Agent: Agent-based RTL Design Pipeline A LangGraph-powered RTL design automation tool that transforms hardware design from manual coding to agent-based workflows. Features 7-stage pipeline (Architect → Synthesis), multi-backend LLM support (Claude/Anthropic/LangChain), and three interfaces: Claude Code Agent, Web UI, and CLI.

updated May 2026

claude-cowork-skills-toolkit

4
@idan-yaron

Fetch, share, and sync Claude skills between GitHub and your Cowork sessions

updated May 2026

superx

4
@randomittin

Autonomous Claude Code agent — 14 specialized agents, 10-parallel execution, project-specific skill learning, mechanical checkpointing, wave-based planning with acceptance gates, caveman ultra (~75% token savings). One prompt → finished project.

updated Jun 2026

vibeyard-windows

4
@SourceSurfer

Community fork of elirantutia/vibeyard with a working Windows build pipeline and an opt-in approach to global Claude Code hooks. MIT.

updated Apr 2026

tivoo-control

4
@solar2ain

Control a Divoom Tivoo 16x16 pixel LED screen from macOS via Bluetooth RFCOMM. 57 animated presets, AI pixel art generation (Claude/OpenAI with extended thinking), scrolling text with CJK support, Claude Code hooks for workflow notifications, character emotion sets (Claude/Luna).

updated Apr 2026

claude-code-time-awareness

4
@evnchn-agentic

Time awareness hook for autonomous Claude Code agents — inject current time into agent context via PostToolUse, so long-running autonomous sessions know what time it is.

updated Apr 2026

no-slop

4
@Byk3y

A prose linter that catches AI writing patterns. Based on Wikipedia's Signs of AI Writing.

updated May 2026

Mem-Palace-skill

4
@drewOrc

Cross-conversation memory for Claude Code and Cowork

updated May 2026

claude-code-sounds

4
@dragon1086

Your Claude Code sessions, now with a soundtrack. Zero config, full hook coverage.

updated Apr 2026

Portfolio-Case-Study

4
@SonwaneyY

A Claude Code skill for crafting portfolio-ready design case studies. Structured template, tone guide, and slide layout for UX, product, and design portfolios.

updated May 2026

claude-report-skill

4
@MarcinDudekDev

A Claude Code skill that generates beautiful HTML reports instead of long terminal output

updated May 2026

voice-to-instrument-skills

4
@stark-ydq

Free open-source Agent Skills for voice-to-instrument AI music production — recording best practices, instrument-specific tips, and prompt engineering

updated Apr 2026

claude-skill-humanizer

4
@diaiq

Free Claude Code skill to humanize AI-generated text. Bypass GPTZero, Turnitin, and other AI detectors. Powered by DiaIQ.

updated Jun 2026

dexterity

4
@nshkrdotcom

Code Intelligence: Token-budgeted codebase context for Elixir agents. Solves context window limitations by providing a deterministic Elixir semantic graph and agent-ready Repo Map for LLMs.

updated May 2026
← PREV01...212213214215216...344NEXT →