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

xc-mcp

85
@conorluddy

XCode CLI MCP: Convenience wrapper for Xcode CLI tools & iOS Simulator. Progressive disclosure of tool responses to reduce context usage. Use --mini param for build-only with tiny context footprint.

updated May 2026

aurora-smart-home

85
@tonylofgren
updated May 2026

grainulator

85
@grainulation

Research that compiles.

updated Apr 2026

llm-wiki

85
@ekadetov

LLM Wiki — Claude Code plugin for persistent, compounding knowledge bases in Obsidian

updated Jun 2026

mathmodel-skill

85
@handsomeZR-netizen

三竞赛 (CUMCM/MCM/电工杯) 数学建模 skill — harness-agnostic, 同时支持 Claude Code 与 Codex CLI, 全程问答式 (Friendly Mode), 10 阶段 + 4 反馈层 + per-Qi 加权聚合 + 题型 dim 加权 + empirical 实测分位锚定

updated May 2026

Awesome-Claude-MCP-Servers

84
@win4r

A curated list of Model Context Protocol (MCP) servers optimized for Claude AI assistants.

updated Apr 2026

mcp-server

84
@keboola

Model Context Protocol (MCP) Server for the Keboola Platform

updated Jun 2026

terminal_server

84
@theailanguage

MCP server that can execute terminal commands

updated May 2026

airtable-mcp

84
@rashidazarang

Airtable integration for AI-powered applications via Anthropic's Model Context Protocol (MCP)

updated May 2026

mcp-server-circleci

84
@CircleCI-Public

A specialized server implementation for the Model Context Protocol (MCP) designed to integrate with CircleCI's development workflow. This project serves as a bridge between CircleCI's infrastructure and the Model Context Protocol, enabling enhanced AI-powered development experiences.

updated May 2026

fabric-mcp

84
@ksylvan

Fabric MCP Server: Seamlessly integrate Fabric AI capabilities into MCP-enabled tools like IDEs and chat interfaces.

updated May 2026

ls-mcp

84
@lirantal

List MCP Server configurations in your system used by AI applications like Cursor, Claude Desktop, VS Code and others

updated May 2026

scitex-python

84
@ywatanabe1989

Umbrella package for SciTeX — reproducible science from raw data to manuscript

updated May 2026

sub-agents-mcp

84
@shinpr

Define task-specific AI sub-agents in Markdown for any MCP-compatible tool.

updated May 2026

SmartDB_MCP

84
@wenb1n-dev

Universal database MCP server connecting to MySQL, PostgreSQL, SQL Server, MariaDB,DM8,Oracle,not only provides basic database connection such as OAuth 2.0 authentication , health checks, SQL optimization, and index health detection

updated May 2026

nvim-gemini-companion

84
@gutsavgupta

A Neovim plugin to integrate Gemini CLI well (+ Qwen-code now)

updated May 2026

CC-statusline

84
@AwesomeJun

A curated collection of awesome plugins for Claude Code by awesomejun

updated Jun 2026

plan-cascade

84
@Taoidle

AI-powered cascading development framework. Decompose complex projects into parallel executable tasks with auto-generated PRDs, design docs, and multi-agent collaboration (Claude Code, Codex, Aider).

updated Jun 2026

funplay-unity-mcp

84
@FunplayAI

The Most Advanced MCP Server for Unity Editor with execute_code, prompts/resources, input simulation, screenshots, and play mode automation.

updated Jun 2026

thesis-figure-skill

84
@0xE1337

🎓 Claude Skill: Paste your paper text, auto-generate publication-ready LaTeX/TikZ diagrams. 粘贴论文文案,自动生成学术级配图。

updated Jun 2026

academic-writing-agents

84
@andrehuang

Claude Code plugin: multi-agent orchestrator with 10 specialist agents for academic writing review, research, drafting, and polishing

updated Jun 2026

trace-mcp

84
@nikolai-vysotskyi

MCP server for Claude Code and Codex. One tool call replaces ~42 minutes of agent exploration

updated Jun 2026

synthteam

84
@nickwinder

Consult distilled personas of colleagues — build them from Slack history, get one colleague's take, or convene a deliberating panel. A plugin for Claude Code and Codex.

updated May 2026

anydesign

84
@uxKero

Claude skill that analyzes images, websites, and Figma files and generates a structured design.md with token system, component inventory, and reconstruction notes.

updated Jun 2026
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