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

8237entries
★ starsA–Z name

Anthropic

42
@tryAGI

C# SDK for the Anthropic API -- Claude chat completions, tool calling, and vision

updated Jul 2026

mcp_rails_template

42
@seuros

A minimal Rails API template for creating MCP (Model Context Protocol) servers with robust tool execution capabilities and examples.

updated Apr 2026

locallama-mcp

42
@Heratiki

An MCP Server that works with Roo Code/Cline.Bot/Claude Desktop to optimize costs by intelligently routing coding tasks between local LLMs free APIs and paid APIs.

updated Jun 2026

prompt-decorators

42
@synaptiai

A standardized framework for enhancing how LLMs process and respond to prompts through composable decorators, featuring an official open standard specification and Python reference implementation. Claude Code plugin and MCP server integration.

updated May 2026

mcp-api-gateway

42
@rflpazini

A universal MCP (Model Context Protocol) server to integrate any API with Claude Desktop using only Docker configurations.

updated Jun 2026

salesforce-mcp-server

42
@jaworjar95

A comprehensive Model Context Protocol (MCP) server that provides seamless Salesforce integration for AI development tools like Claude Desktop, Cline, and other MCP-compatible clients.

updated Jun 2026

vs-claude

42
@badlogic

VS Code extension and MCP server so Claude Code can open files, diffs and manipulate VS Code in other ways.

updated May 2026

mcp-mail-server

42
@yunfeizhu

A lightweight Model Context Protocol (MCP) server that provides IMAP and SMTP email functionality for AI assistants like Claude in Cursor IDE. Built with TypeScript and optimized for easy deployment via npm/npx.

updated Jul 2026

File-Organizer-MCP

42
@kridaydave

This MCP server will organize your files using connections to MCP using clients like Claude, Cursor and Gemini Cli

updated Jul 2026

claude-skills

42
@robbyt

Skills and Plugins for Claude Code

updated Jun 2026

choo-choo-ralph

42
@mj-meyer

A Claude Code plugin that adds structured, customizable workflow formulas to the Ralph loop. Built on Beads.

updated Jun 2026

claude-sdlc-wizard

42
@BaseInfinity

SDLC enforcement for Claude Code — hooks, skills, and wizard setup in one command. TDD, planning, self-review, CI shepherd.

updated Jul 2026

mcp-gateway

42
@MikkoParkkola

One endpoint in front of unlimited MCP servers and REST APIs. The agent sees a fixed ~15-tool surface however many you connect, so tool-list token cost stays flat (about 89% less on a 100-tool stack) and the savings climb as you add more. Single Rust binary.

updated Jul 2026

claude-org-template

42
@vincitamore

A collaborative organization system for Claude Code. Architecture over memory, build an "attractor basin" that lets any Claude instance orient quickly and collaborate at depth. Includes hooks, agents, principles, and guided onboarding for human-AI partnership.

updated May 2026

amazon-sp-mcp

42
@mansournorouzi

MCP server for Amazon SP-API — connect Claude to Seller Central for sales, inventory, orders, fees, and analytics. LWA-only auth, no AWS credentials required.

updated Jul 2026

management-consulting-plugin

42
@anotb

Management consulting skills for Claude Code, Cowork, Codex, and other agents. Strategy, operations, and transformation workflows for the full engagement lifecycle.

updated Jul 2026

vskill

42
@anton-abyzov

Secure multi-platform AI skill installer — scan before you install. 49 agents, 12 plugins, 41 expert skills.

updated Jul 2026

claude-code-wsl2-setup

42
@congmnguyen

Claude Code WSL2 setup with image paste, notifications, LSP, context-saving hooks, and Codex delegation.

updated Jul 2026

context-harness

42
@parallax-labs

Local-first context ingestion and retrieval for AI tools. SQLite + embeddings + MCP server for Cursor & Claude.

updated Jul 2026

beacon-plugin

42
@sagarmk

Semantic code search plugin for Claude Code using hybrid vector search + BM25. 98% accuracy, 5x faster than grep.

updated Jul 2026

Touchpoint

42
@Touchpoint-Labs

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

updated Jul 2026

whatsapp-claude-plugin

42
@Rich627

Claude Code WhatsApp channel plugin — run AI directly from WhatsApp, voice transcription, remote tool approval, access control. No API keys, no Docker, just a linked device.

updated Jul 2026

soloflow

42
@kesteva

Soloflow is a hooks-based workflow orchestration for solo product development with Claude Code.

updated May 2026

watch-video-skill

42
@Newuxtreme

A Claude skill that teaches your AI to watch videos. Use it to learn, absorb, copy, or give visual feedback like you would to a real person.

updated Jul 2026
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