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

claude-my-marketplace

1
@lukaskellerstein

A collection of Claude Code plugins — dev tools, documentation, infra, Figma, media generation, design direction, and web design. Reusable skills, agents, and commands across projects.

updated Jul 2026

MCP_Project

1
@YuvrajGaykhe

MCP Chat closes the gap between AI assistants and your local documents, introducing context-aware conversations powered by Anthropic's Claude models. The application makes use of the MCP architecture in order to provide frictionless document access, command execution, and tool integrations directly from your terminal.

updated May 2026

claude-code-advanced-tool-use

1
@unsafe9

Local proxy server to test Anthropic's Advanced Tool Use features in Claude Code.

updated Mar 2026

claude-code-bridge

1
@absmartly

HTTP bridge server for ABsmartly Extension to communicate with Claude Code CLI

updated Jan 2026

crypto-tools-mcp

1
@marc-shade

Cryptographic analysis tools - Caesar cipher, frequency analysis, classical cipher cracking

updated Apr 2026

claude-codeUI-by-nexalance

1
@developerjillur

A Complete Solution for Claude Code UI Chat Extension For VS Code inspired by claude-code-chat

updated May 2026

vaiz-mcp

1
@vaizcom

MCP (Model Context Protocol) client for Vaiz for Cursor/Claude

updated Jun 2026

vscode-terminal-workspaces

1
@cybersader

VS Code extension for managing terminal sessions (inspired by and syncable with tasks.json) with a sidebar GUI. This is incredibly useful if you're using Claude Code, Gemini CLI, Codex, etc..

updated Jun 2026

Skill_GEMINI_Extension

1
@MohamedHamed19m

An extension for Gemini that includes an MCP (Model Context Protocol) server for loading skills on demand, similar to how Claude Code Skills operate.

updated Jan 2026

opus-orchestra

1
@KyleHerndon

VS Code extension for managing multiple Claude Code agents in parallel using git worktrees

updated Jul 2026

directus-extension-embeddable-forms

1
@JoshTheDerf

An extension for embedding full-featured Directus forms in any page, built with Directus MCP and Claude Code

updated May 2026

claude-code-vercel-proxy

1
@ban-shao

A Cloudflare Worker proxy that enables Claude Code to use Vercel AI Gateway. Converts Anthropic API format to Vercel AI SDK calls with full support for thinking, vision, tools, and streaming.

updated Jan 2026

claude-code-agents

1
@radif

A collection of custom slash commands, agents, automation scripts, and developer tools for [Claude Code](https://docs.anthropic.com/en/docs/claude-code) - Anthropic's official CLI for AI-assisted software development.

updated Jul 2026

claude-code-ext

1
@meysam81

Common utilities for Claude Code in a lean Chrome Extension

updated Mar 2026

claude-deck

1
@jinxlzc

Claude Deck is a local-only VS Code extension and OTLP receiver that observes Claude Code execution, captures metrics and traces, aggregates session usage, and enforces proof-first engineering workflows.

updated Dec 2025

claude-code-sessions

1
@neozenith

FastAPI + React dashboard for visualizing Claude Code session usage and costs from `~/.claude/projects/` JSONL files using sqlite-muninn extensions.

updated Jul 2026

eden

1
@maxwellmattryan

Personal toolbox containing miscellaneous scripts, utilities, and Claude Code extensions.

updated May 2026

prompt-shaper-vscode

1
@JQX369

VS Code extension to turn dictated text into structured prompts for Claude Code

updated Dec 2025

claude-extension-toolkit

1
@sirtaj

A Claude Code plugin to help you create Claude Code plugins

updated Jul 2026

copt

1
@praveenc

⚡ CLI tool to migrate prompts from Claude 3.x to Claude 4.5 — Analyzes anti-patterns, optimizes with LLM, supports AWS Bedrock & Anthropic API

updated Apr 2026

teachme-claude-code

1
@Shafik23

Learn Claude Code - Educational repository for mastering Anthropic's agentic coding tool

updated Mar 2026

cc-snapshot-viewer

1
@subhashkhileri

VS Code/Cursor extension to view file changes made by Claude Code at each prompt

updated Dec 2025

claude-code-plugins

1
@madroidmaq

A Raycast Extension for browsing, installing, and managing Claude Code plugins

updated Jan 2026

code-rv

1
@phanngoc

AI-powered code review tool using GitLab Knowledge Graph + Anthropic Claude

updated Jan 2026
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