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

8236entries
★ starsA–Z name

mcp-local-rag

130
@nkapila6

"primitive" RAG-like web search model context protocol (MCP) server that runs locally. ✨ no APIs ✨

updated Jul 2026

mcp-think-tool

130
@DannyMac180

An MCP server implementing the think tool for Claude

updated Jul 2026

leetcode-mcp-server

130
@jinzcdev

An MCP server enabling automated access to LeetCode's problems, solutions, and public data with optional authentication for user-specific features, supporting leetcode.com & leetcode.cn sites.

updated Jul 2026

web-scout-mcp

130
@pinkpixel-dev

A powerful MCP server extension providing web search and content extraction capabilities. Integrates DuckDuckGo search functionality and URL content extraction into your MCP environment, enabling AI assistants to search the web and extract webpage content programmatically.

updated Jul 2026

mcp-memory-keeper

130
@mkreyman

MCP server for persistent context management in AI coding assistants

updated Jul 2026

ask-user-questions-mcp

130
@paulp-o

Better 'AskUserQuestion' - A lightweight MCP server/OpenCode plugin/Agent Skills + CLI interface which allows parallel AI agents ask questions to you. Be the human in the human-in-the-loop!

updated Jul 2026

design-md-figma

130
@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 Jul 2026

wanaku

129
@wanaku-ai

Wanaku MCP Router

updated Jul 2026

unreal-mcp

129
@GenOrca

Unreal Engine MCP Server: Control UE5 with Claude & AI Agents. Supports Python and C++ for custom tool development.

updated Jul 2026

mcp-streamable-http

129
@invariantlabs-ai

Example implementation of MCP Streamable HTTP client/server in Python and TypeScript.

updated May 2026

TWSEMCPServer

129
@twjackysu

台灣證交所OpenAPI 的 MCP Server 同時整合部分即時報價和櫃檯買賣中心TPEx OpenAPI, 臺灣期貨交易所TAIFEX OpenAPI

updated Jul 2026

fhir-mcp-server

129
@wso2

FHIR MCP Server – helping you expose any FHIR Server or API as a MCP Server.

updated Jul 2026

claude-skills

129
@oaustegard

My collection of Claude skills

updated Jul 2026

nyxstrike

129
@CommonHuman-Lab

AI Powered penetration testing Platform for offensive security research

updated Jul 2026

open-second-brain

129
@itechmeat

Local-first 🧠 memory for Hermes Agent that lives in your Obsidian vault and remembers project context. Nightly 😴 dream passes turn repeat corrections into confirmed preferences with measurable confidence. Adapters ship for Claude Code, Codex, and OpenClaw, with an MCP server for anything else.

updated Jul 2026

mcp-server-bigquery

128
@LucasHild

A Model Context Protocol server that provides access to BigQuery

updated Jul 2026

mcp-server-aws

128
@rishikavikondala

A Model Context Protocol server implementation for operations on AWS resources

updated Jul 2026

mcp-hubspot

128
@baryhuang

A Model Context Protocol (MCP) server that enables AI assistants to interact with HubSpot CRM data, providing built-in vector storage and caching mechanisms help overcome HubSpot API limitations while improving response times.

updated Jul 2026

Delphi-MCP-Server

128
@GDKsoftware

Native Delphi Server implementation of the Model Context Protocol (MCP)

updated Jul 2026

1c-mcp

128
@Untru

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

updated Jul 2026

byob

128
@wxtsky

Bring Your Own Browser — let your AI agent use the Chrome you already have open

updated Jul 2026

aws-cost-explorer-mcp-server

127
@aarora79

MCP server for understanding AWS spend

updated Apr 2026

spring-ai-playground

127
@spring-ai-community

Safe local execution layer for AI agent tools. Build, validate, and publish MCP tools with a no-pass-no-run workflow — cross-platform desktop app powered by Spring AI.

updated Jul 2026

open-skills

127
@besoeasy

Battle-tested skill library for AI agents. Save 98% of API costs with ready-to-use code for crypto, PDFs, search, web scraping & more. No trial-and-error, no expensive APIs.

updated Jul 2026
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