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

claude-code-system-3-thinking

★ 2
@jimmc414

Implementation of System 3 (meta-cognitive layer) from the Sophia paper as a Claude Code extension for persistent memory and self-improvement

updated Mar 2026

Learn-Claude-Code

★ 2
@kenken64

This is the main document for the curriculum of learning Claude Code. It outlines a comprehensive learning path for mastering Claude Code - Anthropic's command-line tool for agentic coding.

updated Apr 2026

tool-search-mcp

★ 2
@brianlopez-resmark

Claude Code plugin: 85% token reduction via on-demand tool discovery using Anthropic's Tool Search Pattern

updated Sep 2026

paparazzi

★ 2
@nicksenap

Chrome extension + MCP server that lets Claude see and debug your browser

updated Feb 2026

antigravity-limit-tracker

★ 2
@YasinKose

Chrome extension to monitor API usage limits for Antigravity Claude Proxy

updated Aug 2026

agent-executor-raycast

★ 2
@cat-xierluo

A Raycast extension for executing Claude Code skills and commands

updated Sep 2026

claude-wrapper

★ 2
@Gronsten

Windows wrapper for Claude Code VS Code extension - bypasses Bun crash by routing to Node.js CLI

updated Mar 2026

claude-skills-vault

★ 2
@hackermanishackerman

🛠️ Curate and enhance your coding skills with Claude Skills Vault, a collection of commands and MCP server guides for efficient development.

updated Oct 2026

mcp-core

★ 2
@thinkbigcd

core utilities and tools for model context protocol

updated Apr 2026

splatworld-extension

★ 2
@leftysplat

Claude Code plugin for iterative 3D splat generation with taste learning

updated Aug 2026

Pending-Changes-Reviewer

★ 2
@Fintehhe

VS Code extension to review and manage AI-generated code changes. Copilot-style UI with colored diffs, auto-tracking, and one-click accept/revert. Perfect for Claude Code, GitHub Copilot, and Cursor users.

updated Feb 2026

ai-tools

★ 2
@prgrmrwy

Claude Code 扩展工具集:skill-get 统一安装器,从多种来源一键安装 Skills

updated Oct 2026

synapse-cli

★ 2
@SynapSync

Synapse CLI is a neural orchestration tool that connects, synchronizes, and deploys AI agents and capabilities across multiple providers from a single command line.

updated Feb 2026

claude-code-extensions

★ 2
@hexcreator

Add custom tools to Claude Code with simple YAML definitions. No MCP required.

updated Jan 2026

IDIIDO

★ 2
@VisualFinesse

This is a claude code, codex, or openrouter extension to automate AI TODO tasks

updated Aug 2026

claude-code-web-extension

★ 2
@aantn
updated Sep 2026

pda-platform

★ 2
@antnewman

126 MCP tools for UK government IPA Gate Review assurance. Connects Claude to risk registers, earned value, benefits realisation, gate readiness, and IPA benchmarks.

updated May 2026

StarryBei-ai-config

★ 2
@NBStarry

My Claude Code configurations, scripts, and extension templates

updated Aug 2026

agentic-springboot-template

★ 2
@Yann-Favin-Leveque

Production-ready Spring Boot 3 starter template for building multi-LLM agentic applications (OpenAI, Azure OpenAI, Azure Anthropic/Claude) with dynamic agent loading, autonomous tool calling, and React frontend.

updated Jun 2026

visionagent

★ 2
@sijeeshmiziha

Multi-provider AI agent framework with vision capabilities and tool calling. Supports OpenAI, Anthropic, Google. Built-in Figma tools and Google Stitch integration. Type-safe with Zod validation.

updated Mar 2026

arcadelab

★ 2
@mlapeter

The shortest path from "I made something" to "anyone can play with it." Publish single-file HTML games, visualizations, and interactive content. No signup, no build tools.

updated Sep 2026

vscode-ai-standards

★ 2
@AhsenBaig

Single source of truth for AI‑optimized VS Code configuration across all repositories. Includes Claude Code + Copilot settings, WSL integration, recommended extensions, workspace tasks, bootstrap scripts, and a GitHub Action for validation.

updated Oct 2026

awesome-claude-code-skills

★ 2
@OliverSu333

GitHub Claude Code Skills & Plugins 完整清单 - 1,350+ skills, plugins, MCP servers, and extensions

updated Jul 2026

claude-code-ops-starter

★ 2
@yurukusa

16 hooks + 3 tools + 5 templates for autonomous Claude Code operation. Production-ready in 15 minutes.

updated Aug 2026
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