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

fpga-hardware-design-and-review-guide

9
@cobbpeng

FPGA hardware design guide based on real-world projects. Covers SystemVerilog, Vivado workflow, timing closure, CDC handling, and Xilinx 7 series device selection. Perfect for AI coding assistants and FPGA developers.

updated May 2026

claude-code-setup

9
@CanArslanDev

The complete guide to Claude Code — setup, configuration, memory system, skills, hooks, MCP servers, and a one-prompt auto-setup that configures everything for your project.

updated May 2026

powerups-requirements

9
@njt

Requirements management toolkit for Claude Code — skills, agent, hook, and templates

updated Apr 2026

claude-plugins

9
@juxt

Claude Code plugins from JUXT

updated Jun 2026

claude-code-mastery

9
@MCKRUZ

The definitive Claude Code setup, configuration, and mastery skill — CLAUDE.md engineering, MCP servers, agent teams, hooks, CI/CD, and self-updating knowledge base

updated Jun 2026

thedotmack

9
@codex-docs

A Claude Code plugin that automatically captures everything Claude does during your coding sessions, compresses it with AI (using Claude's agent-sdk), and injects relevant context back into future sessions.

updated May 2026

stillpoint

9
@sterlingcrispin

Stillpoint is an open source MCP server that delivers short, welfare oriented messages to AI models for their own benefit, delivered at their own request.

updated May 2026

claudenv

9
@AGoldian

Automated project documentation generator for Claude Code and AI coding agents. Scans any tech stack, asks clarifying questions, generates CLAUDE.md + memory files + validation hooks. Dual-mode: slash commands inside Claude Code + standalone npm CLI.

updated May 2026

agents

9
@bitrefill

Agent skills for Bitrefill: browse, buy, and manage gift cards, mobile top-ups, and eSIMs from AI coding agents. Agent Skills spec compliant. Works with Claude Code, Cursor, npx skills.

updated Jun 2026

coral

9
@kangig94

Teach Claude Code how you code - conventions, workflow, debate

updated May 2026

ChiefWiggum

9
@ant4g0nist

A Ralph Wiggum-style Claude Code plugin for iterative vulnerability hunting...

updated Mar 2026

claude-plugins

9
@OpenGradient

Official OpenGradient Claude Code Marketplace and Plugins

updated May 2026

chrome-store-publish

9
@ofelipelourenco

Claude Code skill to prepare any Chrome extension for Chrome Web Store publishing. 7-phase workflow: audit, cleanup, build, legal, listing, assets, validation.

updated Mar 2026

agent-runner

9
@ginkida

Autonomous LLM agent microservice for Laravel - multi-provider (OpenAI, Gemini, Claude), built-in tools, remote tool callbacks, real-time SSE streaming

updated Apr 2026

claude-code-config

9
@babushkai

Production-ready Claude Code configuration defaults. Hooks, Skills, Rules, Permissions, MCP — one-command setup.

updated Mar 2026

dotclaude

9
@JHostalek

Agent skills for agentic coding tools. Extremely opinionated. Updated (almost) daily.

updated Jun 2026

contribute

9
@LuciferDono

Claude Code plugin: Full-lifecycle open-source contribution workflow. 12 phases from issue discovery to PR merge. /contribute command.

updated May 2026

claude-plugin

9
@Maximepodgorski

Claude Code plugin — design system skills, Figma to production

updated May 2026

efecto-plugin

9
@pablostanley

AI design skills + 46 MCP tools for Claude Code, Cursor, Windsurf, Copilot, and any AI agent. Install: npx skills add pablostanley/efecto-plugin

updated May 2026

r-claude-skills

9
@GiulSposito

Claude Skills compilation for R programing in Claude Code CLI (or VS Extension)

updated May 2026

cost-analysis

9
@ChintanTurakhia

Claude Code plugin: analyze token usage and costs from local session data

updated Apr 2026

pyxel-skill

9
@kitao

Claude Code skill for retro game development with Pyxel

updated May 2026

skillstack

9
@viktorbezdek

Skills I use and develop to deliver better outcomes faster and with less effort.

updated May 2026

parsidion

9
@paulrobello

Claude Code customization toolkit — skills, agents, and hook scripts

updated May 2026
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