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

8250entries
★ starsA–Z name

polymarket-skill

1
@atompilot

Claude Code skill for Polymarket — complete developer reference for prediction market integration on Polygon. Covers authentication, orders, market data, WebSocket, CTF operations, bridge, and gasless transactions.

updated Apr 2026

claude-workspace-launcher

1
@yazilim-vip

VS Code extension that launches Claude Code sessions with all workspace folders via --add-dir

updated Apr 2026

claude-agents

1
@SolomonSmith-dev

Local multi-agent orchestration backend. Express + BullMQ + Redis + SQLite. Runs Claude SDK agents on self-hosted hardware with tool use and persistent state.

updated May 2026

write-like-me

1
@mikegec

A rust based tool to learn how a user writes then use that model as a skill for claude code

updated Mar 2026

code-architecture-skill

1
@CarterIrish

A Claude skill for collaborative code architecture planning. Interviews you, challenges assumptions, audits for over-engineering, and produces a full architecture doc with diagrams. Supports web (Node/Express), game (Unity/C#), and C++/CMake projects.

updated Mar 2026

universal-ai-skills-pack

1
@khasky

Skills that help agents carry routine work from start to finish, with explicit handoffs when a human should decide. Use them with Claude, ChatGPT, Cursor, Codex, and any assistant that supports the Agent Skills format.

updated May 2026

bugshot-skill

1
@Sreelal727

Vibe coding bug fixer — AI agent skill for Claude Code. Autonomous screenshot, console error capture, diagnosis & auto-fix. MCP + claude-in-chrome. Zero manual debugging.

updated Mar 2026

rgbds-lsp

1
@retro-dev-tools

RGBDS Game Boy assembly language server — tree-sitter grammar, LSP server, VS Code extension, Claude Code plugin

updated Mar 2026

claude-usage-vscode

1
@sevenuphome

VS Code extension that shows Claude Code API usage in the status bar

updated Apr 2026

shared-claude-skills

1
@scoobydont-666

10 production-tested Claude Code skills — model routing, security hardening, code quality, tax advisory, cost optimization. Install: clone to ~/.claude/skills/

updated Jun 2026

ames-unifi-mcp

1
@oliverames

The most comprehensive MCP server for UniFi Network controllers. 310 tools across devices, clients, firewall, VPN, switching, WiFi, stats, and more. Built in Go. Supports Network 5.x–10.x.

updated May 2026

claude-code-limits

1
@DmitryyR

Claude Code Limits lets you track your Claude Code API usage directly from the browser toolbar.Setup: Install the extension Open terminal and run: claude config get oauthCredential Copy the accessToken value and paste it into the extension

updated Mar 2026

agents-skill

1
@arturseo-geo

AI agent systems skill for Claude Code — ReAct, Plan-and-Execute, reflection loops, Tree of Thoughts, LATS, MCP integration, LangChain/LangGraph/CrewAI/AutoGen/Claude Agent SDK, multi-agent orchestration, evaluation. By TheGEOLab.net

updated May 2026

vps-ubuntu-skill

1
@arturseo-geo

Ubuntu VPS management skill for Claude Code — provisioning, SSH hardening, UFW/fail2ban, Docker, Nginx reverse proxy, SSL/Certbot, PM2, BorgBackup, rclone cloud sync, Monit alerting, Tailscale/WireGuard VPN. By TheGEOLab.net

updated Apr 2026

claude-code-superkit

1
@RaNDoM6913

Production-tested agents (56), commands (16), hooks (42), skills (22), and rules (19) for Claude Code and Codex CLI. All agents on Opus 4.8.

updated May 2026

sychev-lab-mcp-server

1
@Sychev-Lab

MCP Server for Sychev Lab - Products, Articles, Tutorials, and Commerce

updated Apr 2026

thinking-skills

1
@iancgcarta

Provide 20 Claude Code commands that apply proven thinking frameworks to improve reasoning, problem-solving, and decision-making processes.

updated Jun 2026

professional-business-writing-skill

1
@b33kman

Professional business writing assistant - removes AI patterns, maintains authority and clarity. For reports, proposals, emails, white papers. Works with Claude, ChatGPT, Cursor, Windsurf.

updated May 2026

claude-dream

1
@Josue7211

Memory consolidation skills for Claude Code — replicate Anthropic's unreleased /dream and /autodream features

updated Apr 2026

claude-skill-vault

1
@UltronCore

Versioned, categorized vault for Claude Code skills — 75 active skills, full version history, lineage tracking, and auto-release workflow

updated May 2026

claude-starter-kit

1
@VictorAurelius

🤖 Battle-tested Claude Code skills, rules & workflow templates — extracted from a real 200+ PR project. Governance-first. Bilingual VN/EN.

updated May 2026

awesome-claude-code-skills

1
@sujayjayjay

⚡🛠️ A curated list of the best Claude Code skills, plugins, hooks, slash commands, and agent orchestrators — organized by category with install instructions

updated Mar 2026

ccx

1
@brihter

A collection of custom skills for Claude Code.

updated May 2026

pmem-project-memory-tool-for-claude-code

1
@avanrossum

Local-first RAG memory for Claude Code. Semantic search over your project's docs, decisions, and history. No external APIs. Setup in 2 minutes.

updated Apr 2026
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