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

8240entries
★ starsA–Z name

toolpack-cli

1
@toolpack-ai

The intelligent command-line interface directly powering the Toolpack SDK

updated Apr 2026

ai-architect-mcp

1
@cdeust

Autonomous software engineering pipeline for Claude Code: 11 stages, 64 verification rules, 17 codebase intelligence tools, 5 science-backed git analytics. Findings → PRD → verified PR with zero LLM judges.

updated Jun 2026

mcp-openapi

1
@saurav61091

Turn any OpenAPI 3.x spec into MCP tools for Claude — zero config, instant API access

updated Jul 2026

kiro-gateway-swift

1
@meitianwang

Kiro Gateway — proxy gateway for Kiro API with native macOS app. Use free Claude models with Claude Code, Cursor, Cline, and any OpenAI/Anthropic compatible tool.

updated Mar 2026

webmcp-tool-inspector-with-claude

1
@tomohiro-owada

[PoC] WebMCP + Claude Code bridge - Chrome extension & Go server for testing WebMCP tool interaction with natural language

updated May 2026

Earnings-Call-Analyzer

1
@Sapan2003

AI-powered financial research tool that analyzes SEC filings, live market data & web search to answer investment questions. Built with RAG, LangChain agents, Claude API & ChromaDB. 95% accuracy on 17 blue chip companies.

updated Mar 2026

caludeArchitect

1
@maxwellsdm1867

Study platform for the Claude Certified Architect – Foundations exam. Interactive modules with Jupyter labs, quizzes, and hands-on challenges covering prompt engineering, context management, Claude Code, MCP tools, and agentic architecture.

updated Jul 2026

prd-generator

1
@jesimpsonjr-prodmgmt

CLI tool that generates structured PRDs from feature ideas using Anthropic Claude or local Ollama.

updated Mar 2026

battery-gnome

1
@rfxlamia

Check Claude Code usage in real time — GNOME Shell extension for Linux

updated Mar 2026

awesome-claude-code-playbook

1
@zzhou23

Battle-tested patterns, tools, and configurations for Claude Code — Anthropic's CLI coding agent.

updated May 2026

claude-code-channels-extension

1
@BryanTegomoh

Use Claude Code channel plugins (Telegram, Discord) from VS Code / Windsurf / Cursor extensions

updated Mar 2026

voicedev

1
@Mohabsmar

🎤 VoiceDev - The Ultimate AI Agent Platform with 250+ Tools, 123+ Skills, 17 Providers, 95+ Verified Models | GPT-5.4, Claude 4.6, Gemini 3.1 | Custom Endpoints | Built by an 11-year-old Egyptian 🇪🇬

updated Mar 2026

claude-code-toolkit

1
@GopalGB

Production-ready hooks, skills, and configurations for Claude Code — session management, auto-briefings, credential protection, and more

updated May 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

claude2api-deploy

1
@dmvait8534

Deploy a proxy that converts Claude.ai sessions into a standard Anthropic API with streaming, tools, and image support.

updated Jul 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

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 Jul 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

sychev-lab-mcp-server

1
@Sychev-Lab

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

updated Apr 2026

mcp-seo-auditor

1
@arturseo-geo

MCP server for on-page SEO auditing — title/meta/H1-H6/canonical/schema/OG/images/links analysis + JSON-LD validator. Replaces SEO Minion + Detailed SEO Extension as Claude Code tools. By TheGEOLab.net

updated Jun 2026

Maine-Tax-Planner-2026

1
@JesseHiggins

A real-time tax planning tool for Maine residents covering federal income tax, FICA, and Maine state tax — including OBBBA provisions (overtime deduction, tip deduction, senior deduction, enhanced childcare credit), EITC, PFML, and Maine-specific credits. Built iteratively with Claude AI (Anthropic) as a collaborative development partner.

updated Apr 2026
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