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

8281entries
★ starsA–Z name

content-ideas-generator

★ 2
@krishagoti02

AI-powered tool that generates LinkedIn, Instagram, and Twitter content ideas from your experiences , built during the Anthropic x USC Claude Hackathon.

updated Jun 2025

ollama-claude-proxy

★ 2
@psenger

bridges Ollama API with Anthropic Claude AI. Use Claude models in your existing IDE plugins, coding assistants, and development tools without code changes. Simple proxy server enables seamless integration of Claude's capabilities into Ollama-compatible workflows. Docker ready. Ollama-Claude-Proxy

updated Jun 2026

Raycast-MCP-Manager

★ 2
@qdhenry

Raycast extension for quickly adding Model Context Protocol (MCP) configurations to Claude Code

updated Nov 2025

vizer

★ 2
@maclarenscott

A minimal VSCode extension that provides a simple chat interface for Claude Code.

updated Sep 2025

AI-Agent-01

★ 2
@Nouman-wp

A smart research assistant powered by LangChain, Anthropic Claude 3.5, and real-time tools like DuckDuckGo and Wikipedia. It generates structured research outputs from user queries, optionally saving them to a local file.

updated Oct 2026

claude-code-4-science

★ 2
@akougkas

Scientific Computing extensions for Claude Code using the IOWarp HPC Toolkit

updated Oct 2025

mcp-browser

★ 2
@bobmatnyc

MCP server for browser automation with Chrome extension. 5 MCP tools for DOM interaction, console capture, content extraction, screenshots. Optimized for Claude Code and other agentic coding tools.

updated Jun 2026

cc-gw

★ 2
@chenpu17

cc-gw is a local gateway tailored for Claude Code and similar Anthropic-compatible clients. It normalizes /v1/messages, routes traffic across heterogeneous providers, mirrors Claude’s streaming & tool semantics, and records detailed metrics that surface in a bilingual Web console and CLI daemon.

updated Apr 2026

ClaudeWPF

★ 2
@DrMojorisin

this project makes it easy to create wpf projects using claude code cli and extensions in VSCode

updated Jul 2026

vscode-project-md

★ 2
@daviguides

Project.md is a VSCode extension that makes file references in Markdown documents clickable, navigable, and intelligent. Designed specifically to enhance workflows for developers using code assistants like Claude Code, Gemini CLI, and Codex CLI.

updated Apr 2026

cards.management

★ 2
@goodfoot-io

Cards is a local-first VS Code extension. It groups your plans, transcripts, and commits into project-scoped Git repositories on your disk. When you launch Claude Code or Codex, Cards feeds them this curated context, improving your agentic workflow instead of replacing it.

updated Oct 2026

cc-token

★ 2
@iota-uz

CLI tool for counting tokens in files using Anthropic's Claude API

updated Sep 2026

ai-tool-recommender

★ 2
@fredmaxie

AI Tool Recommender — Streamlit app that analyzes business descriptions and recommends tailored AI use cases, tools, and automation opportunities using Claude (Anthropic API).

updated Jul 2026

claude-code

★ 2
@Daita-Corp

Tools for developers using Anthropic's Claude Code

updated Mar 2026

claude-redline

★ 2
@switchbm

An interactive Human-in-the-Loop (HITL) review tool for Claude. Opens a local UI to 'redline' specifications and plans before code is written.

updated Apr 2026

aspy

★ 2
@omgpointless

Real-time TUI proxy to visualize Claude Code tool calls, thinking blocks, and token usage

updated Jul 2026

awesome-mcp

★ 2
@epicmotionSD

A curated list of awesome MCP (Model Context Protocol) servers, tools, and resources for Claude Desktop and AI assistants

updated Dec 2025

crypto-tools-mcp

★ 2
@marc-shade

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

updated Oct 2026

claude_setting_manager

★ 2
@shyinlim

Centralized CLAUDE.md management tool for teams. Manage and distribute Claude Code configuration templates across multiple projects.

updated Mar 2026

hyperlight-claude-bridge

★ 2
@danbugs

Rust implementation of Claude's Programmatic Tool Calling using Hyperlight-Nanvix for code execution instead of Anthropic's managed containers.

updated Apr 2026

claude-usage

★ 2
@ScriptSmith

A GNOME Shell extension that displays Claude AI usage statistics and Claude Code session activity in your top bar

updated Jul 2026

go-llm

★ 2
@Dragon-Born

Developer-friendly Go SDK for LLM apps: OpenAI, Anthropic, Gemini, Ollama, Azure OpenAI + 200+ models via OpenRouter. Fluent builder API with tools/function calling, agents, structured output, streaming, vision/PDF, audio, embeddings, retries, validation, and cost tracking.

updated Dec 2025

claude-humanlayer-extension

★ 2
@franciszver

A VS Code extension inteded for Windows users who use Claude, that syncs HumanLayer’s Claude command packs directly into the Claude Code extension. Automatically fetch, install, and update HumanLayer’s .claude/commands from GitHub with validation, conflict detection, and a clean UI.

updated Dec 2025

mcp-reasoning

★ 2
@quanticsoul4772

Rust MCP server with 35 tools for structured reasoning, self-improvement, semantic session memory, and agent/team coordination powered by the Anthropic Claude API

updated Oct 2026
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