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

8261entries
★ starsA–Z name

aircall-mcp

★ 0
@RosenAdvertising

MCP server for Aircall — API coverage for business phone calls.

updated Oct 2026

cloudtalk-mcp

★ 0
@RosenAdvertising

MCP server for CloudTalk — API coverage for business phone calls.

updated Oct 2026

smith-ai-mcp

★ 0
@RosenAdvertising

MCP server for Smith.ai — API coverage for answering services.

updated Oct 2026

pi-extensions

★ 0
@ariadng

Features for Pi to work like Claude Code

updated May 2026

mcp-bizintel

★ 0
@bch1212

Paid MCP server: real-time local business intelligence for AI agents — website audits, lead scoring, tech stack detection, business search

updated May 2026

satoshkin-aml-mcp

★ 0
@satoshkin-dev

MCP server for AML/KYT crypto wallet screening — connect Claude/ChatGPT to wallet risk checks

updated Jun 2026

claude-code-limits-extension

★ 0
@kkulebaev

GNOME Shell extension that shows local Claude Code usage (5-hour billing block and rolling 7-day cost/tokens) in the top panel, powered by ccusage.

updated May 2026

superset-claude-health

★ 0
@yujiyamane

Apache Superset healthcare analytics demo — synthetic patient, staff, and meeting room data with custom NSW Health colour schemes

updated Jul 2026

Obsidian-Content-Calendar-MCP

★ 0
@weiqi-china

An MCP server that turns your Obsidian vault into an AI-powered content calendar. Works with Claude Desktop, Cursor, Cline, and ChatGPT.

updated May 2026

claude-code-harness

★ 0
@umi3939

Hook / Skill / MCP / Agent integrated extensions for Claude Code (self-evolving development agent harness)

updated May 2026

grok-mcp-server

★ 0
@aunysillyme-dev

Remote MCP server exposing xAI Grok as 9 tools: live X search, web search, chat, reasoning, vision, and image and video generation. Deploy your own copy to Cloudflare Workers. Fail-closed auth, OAuth 2.0 + PKCE, single-use authorization codes.

updated Oct 2026

ClaudeCodeLearning

★ 0
@Offsidee

14-day pike/zander fishing bite quality calendar - Chrome/Opera extension

updated May 2026

leansec-claude-code-boilerplate

★ 0
@eriklacson

Claude Code Boilerplate for Creating Extensions for the LeanSecurity Ecosystem

updated May 2026

claude-code-rtl-fix

★ 0
@dror-sa

VS Code extension adding strong RTL support (Hebrew/Arabic/Persian) to the Claude Code extension

updated Jun 2026

free-claude-code

★ 0
@fsdbtrenbzsern

Use claude-code for free in the terminal, VSCode extension or discord like OpenClaw (voice supported)

updated May 2026

claude_code_deepseek_switcher

★ 0
@shivampip

Easily switch between Claude and Deepseek in Calude code vs code extension

updated May 2026

claude-code-inline-math

★ 0
@OscarBarreraGithub

VS Code companion extension that patches Claude Code's webview to render inline LaTeX math

updated May 2026

Website-Traffic-Analysis

★ 0
@twominutereports

AI-powered SEO analyst for Claude.ai — automatically audits traffic, diagnoses drops, finds content gaps, and delivers a 30-day action plan using your GA4 + Search Console data.

updated May 2026

ClaudeCodeChromiumExtensionForResume

★ 0
@abhinavg1997
updated May 2026

encode-query-nexus

★ 0
@cici566

Best MCP Server for ENCODE Functional Genomics Data 2026 – Search, Download & Analyze Experiments

updated May 2026

librecrawl-mcp

★ 0
@bridgettmirthful637

Audit websites with this self-hosted SEO crawler. Connect LibreCrawl to Claude and perform unlimited technical audits without per-crawl fees.

updated Oct 2026

mcp

★ 0
@Felinerelief627

Connect LLM agents to your WireBoard analytics data using the Model Context Protocol for real-time and historical project insights.

updated Oct 2026

agentbound

★ 0
@havzer29

Boundary-respect evaluation framework for autonomous LLM agents — from the pilot where Claude refused to confabulate $20K

updated May 2026

wp-mcp

★ 0
@sadaigm

A Model Context Protocol (MCP) server for interacting with the WordPress REST API. This server provides tools for managing WordPress posts, pages, categories, and tags through a standardized MCP interface

updated May 2026
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