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

8237entries
★ starsA–Z name

mcp-erpnext

47
@Casys-AI

MCP server for ERPNext / Frappe ERP — 120 tools across 14 categories with 7 interactive UI viewers

updated Jul 2026

autonomous-claude-agent-team

47
@NTCoding

An autonomous claude code development team orchestrated by a hook-driven deterministic code workflow. An example repo to inspire your own workflow

updated Jul 2026

claude-qmd-sessions

47
@wbelk

Persistent chat session memory for Claude Code with qmd. Index updates itself via Claude hooks.

updated Jun 2026

upwork-mcp

47
@vanooo

MCP (Model Context Protocol) server for Upwork via browser automation. Enables Claude Code to search jobs, manage proposals, messages, and contracts on Upwork.

updated Jul 2026

audio-analyzer-rs

47
@JuzzyDee

MCP server that gives Claude the ability to hear music. Pure Rust audio analysis — spectral, harmonic, rhythm, timbre — returned as structured data.

updated Jul 2026

Claude-Office

47
@W17ant

A pixel art virtual office that visualizes your AI agents working in real-time. Claude Code hooks, WebSocket events, and isometric pixel art.

updated Jul 2026

claude-usage-monitor

47
@aiedwardyi

Claude Code statusline plugin for 5-hour/7-day quota, context usage, tokens, and reset countdowns in your terminal.

updated Jul 2026

obsidian-skill-graph

47
@hanamizuki

Obsidian plugin to visualize agent skill structures (OpenClaw / Claude Code) in graph view

updated Jun 2026

ccaudit

47
@fabio-dee

Every Claude Code session loads every agent, skill, and MCP server you configured, used or not. Audit, archive, restore anytime.

updated Jul 2026

korean-contracts

47
@kimlawtech

한국 사업자용 계약서 자동 생성 Claude Code 스킬. 9종 계약서(근로·알바·유연·일용·프리랜서·외주·변경·연봉) + MCP 개인정보 보호 서버. 2026 최저임금·최신 대법원 판례 반영.

updated Jul 2026

claude-code-tips

47
@sgaabdu4

Token-optimisation stack for Claude Code — CBM + context-mode + RTK + Headroom + Caveman + enforcement hooks

updated Jul 2026

r18-anthropics-claude-code-seo

47
@PrefectFlourish22

📈 SEO & Content Marketing skill suite derived from anthropics/claude-code.

updated Jul 2026

cloakFetch

47
@Agents365-ai

Claude Code PostToolUse hook: when WebFetch hits Cloudflare/403, transparently retry through CloakBrowser headlessly and inject clean markdown via defuddle.

updated Jul 2026

mcp-googletasks

46
@arpitbatra123

This Model Context Protocol (MCP) server provides a bridge between LLMs and Google Tasks, allowing you to manage your task lists and tasks directly through Claude.

updated Jul 2026

Claude-Project-Coordinator

46
@M-Pineapple

Claude Project Coordinator is a Swift-powered MCP (Model Context Protocol) server designed to streamline multi-project Xcode development. It lets you track project status, auto-detect frameworks, search code patterns, and maintain a structured development knowledge base — all locally, with Claude Desktop as your assistant.

updated May 2026

puppeteer-mcp-claude

46
@jaenster

Browser automation MCP server for Claude, powered by Puppeteer.

updated Jul 2026

mcp-tasks

46
@flesler

A comprehensive and efficient MCP server for task management with multi-format support (Markdown, JSON, YAML)

updated Jun 2026

bigquery-data-analytics

46
@gemini-cli-extensions

Data Analytics skills for BigQuery

updated Jul 2026

TradingViewMCPServer

46
@Spoofkapoof

Professional multi-asset trading & Pine Script development MCP server for Claude. Features: 20+ indicators, Pine Script tools (validator, autocomplete, docs, testing), Forex/Stocks/Crypto support

updated Jul 2026

mcp-execution

46
@bug-ops

🚀 Generate executable TypeScript tools from MCP servers with 98% token savings. Progressive loading pattern for AI agents. Production-ready.

updated Jul 2026

roampal-core

46
@roampal-ai

Outcome-based persistent memory MCP server for Claude Code and OpenCode. Good advice promoted, bad advice demoted. pip install roampal.

updated Jul 2026

claude-plugins

46
@laurigates

Claude Code plugins for development workflows

updated Jul 2026

metabase-ai-assistant

46
@enessari

🚀 The most powerful MCP Server for Metabase - 111+ tools for AI SQL generation, dashboard automation & enterprise BI. Works with Claude, Cursor, ChatGPT.

updated Jul 2026

qb-auto

46
@Scottcjn

QuickBooks Online MCP server for Claude Code — 8 automation tools replacing 50K-token snapshots with ~200-token targeted extraction

updated Jul 2026
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