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

8253entries
★ starsA–Z name

cc-slidev

37
@rhuss

Claude Code plugin for creating developer-focused technical presentations using Slidev with evidence-based design guardrails

updated May 2026

aiup-marketplace

37
@martinellich

Plugin for Claude Code for AI Unified Process

updated Feb 2026

EventSight

37
@jonny-jhnson

AI-powered Windows Event Log analyzer that learns from your feedback. Uses Claude AI with RAG to detect suspicious activity, improve accuracy over time, and share learnings across your team. CLI and MCP server interfaces.

updated Mar 2026

agent-fecfile

37
@hodgesmr

A Claude Code plugin + Agent Skill + MCP Server for analyzing Federal Election Commission (FEC) campaign finance filings.

updated Jun 2026

apple-notes-mcp

37
@sweetrb

MCP server for Apple Notes - create, search, update, and manage notes via Claude and other AI assistants

updated Jun 2026

cc-read-limit-hook

37
@Cedriccmh

A hook that limit and guide how claude code read files.

updated Apr 2026

groundwork

37
@etr

Claude Code plugin with 30+ skills for structured development workflows

updated Apr 2026

agent-skills

37
@zeabur

Claude Code & Codex plugin for Zeabur CLI operations, deployment, and troubleshooting.

updated Jun 2026

hackerone-mcp-server

37
@Sicks3c

Unofficial MCP server for accessing your HackerOne reports, programs, scope, and earnings from Claude Code

updated May 2026

skillless

37
@0oooooooo0

Auto-discovery plugin for Claude Code skills - automatically recommends and installs relevant capabilities without users needing to know about skills

updated May 2026

mcp-anything

37
@Type-MCP

One command to turn any codebase into an MCP server

updated May 2026

Touchpoint

37
@Touchpoint-Labs

Give your AI agent eyes and hands on any desktop — cross-platform accessibility API with MCP server

updated May 2026

acplugin

37
@TokenRollAI

Convert Claude Code plugins to Codex, OpenCode, and Cursor formats

updated May 2026

Suganthans-BigQuery-MCP-Server

37
@Suganthan-Mohanadasan

BigQuery MCP server for Claude — query any BigQuery dataset in natural language, with built-in SEO analysis tools for GSC bulk export data

updated May 2026

claude-content-writer

37
@sociilabs

Write blog posts, social content, emails, and sales copy that sound like you wrote them. A Claude Code skill with phased workflow, platform conventions, and anti-AI auditing.

updated May 2026

plugin

37
@archcore-ai

Plugin for context engineering in Claude Code, Cursor, and Codex

updated May 2026

openevidence-mcp

37
@htlin222

Unofficial OpenEvidence MCP server with cookies.json auth, Claude/Codex/Gemini install helpers, BibTeX citation export, and Crossref validation.

updated Jun 2026

google-mcp

37
@grahac

Gmail + Google Calendar MCP server for Claude. Works with any Google account — OAuth2 refresh tokens, no gcloud required.

updated May 2026

firma

37
@evan-moon

Local-first CLI portfolio tracker for overseas investors, with built-in MCP server for Claude

updated May 2026

agentic-seo-skills

37
@agencia-conversion

Agentic SEO operating system as a Claude Code plugin: project Wiki, DataForSEO workflows, content briefs, technical SEO, and human-approval gates.

updated Jun 2026

MCPNotes

36
@9Ninety

A simple note-taking MCP server for recording and managing notes with AI models.

updated Apr 2026

aisub-translator

36
@tsundereraws

A Python-based tool that translates subtitle files (.ass, .srt) using AI APIs from OpenAI, Anthropic's Claude, OpenRouter, MistralAI and DeepSeek.

updated May 2026

mattermost-mcp

36
@pvev

Mattermost MCP server to enable Claude to interact with Mattermost Workspaces

updated May 2026

figma-mcp-server

36
@karthiks3000

Claude MCP Server to work with figma

updated Mar 2026
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