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

shellward

101
@jnMetaCode

AI Agent Security Middleware — 8-layer defense, DLP data flow, prompt injection detection, zero dependencies. SDK + MCP server for Claude Code, Cursor, LangChain, Hermes Agent & more.

updated Jun 2026

dreamgraph

101
@mmethodz

DreamGraph is a graph-first cognitive layer (graph → MCP → CLI → dashboard → extension) that builds a persistent knowledge graph to reason, validate changes, and generate docs.

updated Jun 2026

Train-in-Silence

101
@hlpun

The first Task-Aware MCP server and automated VRAM calculator for LLM fine-tuning. Instantly snipe the cheapest, fastest GPUs across 10+ cloud providers.

updated May 2026

pywss

100
@czasg

一个轻量级的 Python Web 框架,一站式集成 MCP SSE、StreamHTTP 和 MCPO 协议,助你轻松构建MCP Server🔥

updated Apr 2026

cve-search_mcp

100
@roadwy

A Model Context Protocol (MCP) server for querying the CVE-Search API

updated May 2026

blender-open-mcp

100
@dhakalnirajan

Open Models MCP for Blender Using Ollama

updated May 2026

awsome_kali_MCPServers

100
@ccq1

awsome kali MCPServers is a set of MCP servers tailored for Kali Linux

updated May 2026

api-mcp-server

100
@hostinger
updated Jun 2026

openfoam-mcp-server

100
@webworn

LLM-powered OpenFOAM MCP server for intelligent CFD education with Socratic questioning and expert error resolution

updated May 2026

us-gov-open-data-mcp

100
@lzinga

MCP server + TypeScript SDK for 40+ U.S. government data APIs — 250+ tools. Treasury, FRED, Congress, FDA, CDC, FEC, lobbying, and many more. Works with VS Code Copilot, Claude Desktop, Cursor.

updated May 2026

mcp-canvas-lms

99
@DMontgomery40

Version 2.2 - 54 tools available - an MCP server for interacting with the Canvas LMS API. This server allows you to manage courses, assignments, enrollments, and grades within Canvas.

updated May 2026

sonarqube-mcp-server

99
@sapientpants

Model Context Protocol (MCP) server for SonarQube

updated May 2026

turbular

99
@raeudigerRaeffi

A MCP server allowing LLM agents to easily connect and retrieve data from any database

updated Mar 2026

itsyconnect-macos

99
@nickustinov

Better App Store Connect

updated May 2026

reshapr

99
@reshaprio

The open source, no-code MCP Server for AI-Native API Access

updated May 2026

design-md-figma

99
@bergside

Figma plugin that extracts local style guidelines and generates DESIGN.md and SKILL.md files for AI tools such as Claude Code, Codex, Cursor, and other AI tools

updated May 2026

ru-text

99
@talkstream

Russian text quality plugin for Claude Code, Cowork, Codex CLI, Gemini CLI, Cursor, OpenClaw, and Notion — typography, info-style, editorial, UX writing

updated May 2026

Vibe-Coder-MCP

98
@freshtechbro

Vibe-Coder-MCP server extends AI assistants with specialized software development tools.

updated May 2026

mcp-server

98
@cap-js

MCP server for AI-assisted development of CAP applications

updated Jun 2026

fred-mcp-server

98
@stefanoamorelli

Open-source FRED MCP Server (Federal Reserve Economic Data)

updated Jun 2026

mcp-typescript-sdk

98
@emqx

A TypeScript SDK for implementing Model Context Protocol (MCP) over MQTT, supporting both browser and Node.js environments.

updated May 2026

ckb

98
@nyxCore-Systems

Code intelligence for AI assistants - MCP server, CLI, and HTTP API with symbol navigation, impact analysis, and architecture mapping

updated May 2026

1c-mcp

98
@Untru

Curated list of MCP servers for 1C:Enterprise ecosystem | Каталог MCP-серверов для экосистемы 1С:Предприятие

updated Jun 2026

pith

98
@abhisekjha

Pith is the hook that makes Claude Code sessions last 3x longer.

updated May 2026
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