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

yuque-plugin

72
@yuque

语雀 Claude Code Plugin — 一键集成语雀 AI 能力

updated May 2026

flapi

71
@DataZooDE

API Framework heavily relying on the power of DuckDB and DuckDB extensions. Ready to build performant and cost-efficient APIs on top of BigQuery or Snowflake for AI Agents and Data Apps

updated May 2026

deep-research-mcp-server

71
@ssdeanx

MCP Deep Research Server using Gemini creating a Research AI Agent

updated May 2026

mcp-server-atlassian-jira

71
@aashari

Node.js/TypeScript MCP server for Atlassian Jira. Equips AI systems (LLMs) with tools to list/get projects, search/get issues (using JQL/ID), and view dev info (commits, PRs). Connects AI capabilities directly into Jira project management and issue tracking workflows.

updated May 2026

nocodb-mcp-server

71
@edwinbernadus

nocodb mcp server

updated May 2026

naver-search-mcp

71
@isnow890

MCP server for Naver Search API integration. Provides comprehensive search capabilities across Naver services (web, news, blog, shopping, etc) and data trend analysis tools via DataLab API.

updated May 2026

ytt-mcp

71
@cottongeeks

MCP server to fetch YouTube transcripts

updated Mar 2026

pfsense-mcp-server

71
@gensecaihq

pfSense MCP Server enables security administrators to manage their pfSense firewalls using natural language through AI assistants like Claude Desktop. Simply ask "Show me blocked IPs" or "Run a PCI compliance check" instead of navigating complex interfaces. Supports REST/XML-RPC/SSH connections, and includes built-in compliance and guardrail

updated May 2026

nia

71
@nozomio-labs

Nia is a context-augmentation layer for agents, primarily designed for coding agents. It provides them with an up-to-date knowledge base and improves their performance by 27%.

updated May 2026

agent-security

71
@mintmcp

Hooks for Claude Code and Cursor for secrets scanning

updated Jun 2026

claude-code-toolkit

71
@applied-artificial-intelligence

Production-tested commands, skills, and workflow patterns for Claude Code. Developed through 6+ months of daily use. Includes explore→plan→next→ship workflow, session handoffs, MCP integrations, and domain skills. Copy what works, adapt to your needs.

updated May 2026

camofox-mcp

71
@redf0x1

Anti-detection browser MCP server for AI agents — navigate, interact, and automate the web without getting blocked

updated May 2026

devpace

71
@arch-team

BizDevOps rhythm manager for Claude Code — trace business goals to code changes with 18 skills

updated May 2026

Kaimon.jl

71
@kahliburke

MCP server giving AI agents full access to Julia's runtime via a live Gate — code execution, introspection, debugging, testing, and semantic search

updated May 2026

deepsafe-scan

71
@XiaoYiWeio

Universal preflight security scanner for AI coding agents — Detects hooks injection, credential exfiltration & backdoors in .cursorrules, CLAUDE.md, AGENTS.md and more.

updated Jun 2026

claude-model-fingerprint

71
@bi-boo

Claude Code Skills 合集:公众号文章、会议方法论提炼、多视角对话素材、文字稿润色等 8 个 Skill

updated May 2026

open-scholar-skill

71
@joshzyj

Open scholar skill, a claude code plugin, for academic research

updated May 2026

sverklo

71
@sverklo

Repo memory for coding agents. Local-first MCP for Claude Code, Cursor, Windsurf, and Codex CLI: symbol graph, blast radius, diff-aware review, and git-pinned decisions. MIT; no API keys or code upload.

updated May 2026

PAIDEIA

71
@TaewoooPark

Paideia — a Claude Code plugin that forms exam readiness locally. Stop renting your own learning.

updated Jun 2026

MCP-server-Deepseek_R1

70
@kamelirzouni

A Model Context Protocol (MCP) server implementation connecting Claude Desktop with DeepSeek's language models (R1/V3)

updated Apr 2026

mcp-bear

70
@jkawamoto

A MCP server for interacting with Bear note-taking software.

updated May 2026

boilerplate-mcp-server

70
@aashari

TypeScript Model Context Protocol (MCP) server boilerplate providing IP lookup tools/resources. Includes CLI support and extensible structure for connecting AI systems (LLMs) to external data sources like ip-api.com. Ideal template for creating new MCP integrations via Node.js.

updated Apr 2026

mcp_newsnow

70
@sligter

一个基于 Model Context Protocol (MCP) 的新闻聚合服务器,通过 Newsnow API 提供多平台热点新闻和趋势话题。

updated May 2026

mcp-gsheets

70
@freema

MCP server for Google Sheets - Read, write and manipulate spreadsheets through Claude Desktop

updated Jun 2026
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