Best Claude Tools

CLI tools, editors, and utilities built for Claude.

828 total repositories2,002,621 total starsTop 600 shown · filter by use case below

828 all

A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.

An AI SKILL that provide design intelligence for building professional UI/UX multiple platforms

91k9.5kPython

Toolsai-skillsantigravityInstall

JuliusBrussee

caveman

today

🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

72k4.1kJavaScript

ToolsaianthropicInstall

safishamsi

graphify

today

AI coding assistant skill (Claude Code, Codex, OpenCode, Cursor, Gemini CLI, and more). Turn any folder of code, SQL schemas, R scripts, shell scripts, docs, papers, images, or videos into a queryable knowledge graph. App code + database schema + infrastructure in one graph.

66.3k6.7kPython

Toolsantigravityclaude-codeInstall

gsd-build

get-shit-done

12d ago

A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code by TÂCHES.

64.2k5.5kJavaScript

Toolsclaude-codecontext-engineeringInstall

rtk-ai

rtk

today

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

61.9k3.8kRust

Toolsagentic-codingai-codingInstall

BerriAI

litellm

today

Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking, guardrails, loadbalancing and logging. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM]

50.2k8.8kPython

Toolsai-gatewayanthropicInstall

jeecgboot

JeecgBoot

today

AI 低代码平台「低代码 + 零代码」双驱动！低代码可一键生成前后端代码;零代码可 5 分钟搭建系统;AI Skills 一句话画流程、设计表单、生成整套系统。内置 AI聊天、知识库、流程编排、MCP插件等，兼容主流大模型。引领「AI 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式，消除 Java 项目 80% 的重复工作，提效而不失灵活。

46.7k16.1kJava

ToolsactivitiagentInstall

Aider-AI

aider

21d ago

aider is AI pair programming in your terminal

46.1k4.6kPython

ToolsanthropicchatgptInstall

anthropics

claude-cookbooks

3d ago

A collection of notebooks/recipes showcasing some fun and effective ways of using Claude.

45.4k5.3kJupyter Notebook

Extracted system prompts from Anthropic - Claude Fable 5, Opus 4.8, Claude Code, Claude Design. OpenAI - ChatGPT 5.5 Thinking, GPT 5.5 Instant, Codex. Google - Gemini 3.5 Flash, 3.1 Pro, Antigravity. xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.

41.9k6.9kJavaScript

ToolsaianthropicInstall

mvanhorn

last30days-skill

3d ago

AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web - then synthesizes a grounded summary

40.5k3.3kPython

Toolsai-promptsai-skillInstall

danny-avila

LibreChat

today

Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active

39k8kTypeScript

ToolsaianthropicInstall

router-for-me

CLIProxyAPI

today

Wrap Gemini CLI, Antigravity, ChatGPT Codex, Claude Code, Grok Build as an OpenAI/Gemini/Claude/Codex compatible API service, allowing you to enjoy the free Gemini 3.1 Pro, GPT 5.5, Grok 4.3, Claude model through API

37.4k6.2kGo

Toolsantigravityclaude-codeInstall

musistudio

claude-code-router

3mo ago

Use Claude Code as the foundation for coding infrastructure, allowing you to decide how to interact with the model while enjoying updates from Anthropic.

Use claude-code for free in the terminal, VSCode extension or discord like OpenClaw (voice supported)

Sub2API is an open-source relay platform that unifies Claude, OpenAI, Gemini, and Antigravity subscriptions into a single endpoint. It supports account sharing and cost-sharing, with seamless native tool compatibility.

27.5k5.5kGo

Tools2apiantigravity2apiInstall

eyaltoledano

claude-task-master

1mo ago

An AI-powered task-management system you can drop into Cursor, Lovable, Windsurf, Roo, and others.

From the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

24.8k4.6kTypeScript

Toolsanthropicartificial-intelligenceInstall

manaflow-ai

cmux

today

Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents

21.9k1.7kSwift

Toolsampclaude-codeInstall

slopus

happy

2d ago

Mobile and Web client for Codex and Claude Code, with realtime voice, encryption and fully featured

21.8k1.8kTypeScript

Toolsclaude-codeclaude-desktopInstall

dyad-sh

dyad

yesterday

Local, open-source AI app builder for power users ✨ v0 / Lovable / Replit / Bolt alternative 🌟 Star if you like it!

20.6k2.5kTypeScript

Toolsai-app-builderanthropicInstall

claude-code-best

claude-code

today

原汁原昧 Claude Code 可运行,可构建, 可调试版; 生产级工程化, 企业级可靠性; 安全无毒, 内存泄露修复

Local-first code intelligence graph for MCP and CLI. Builds a persistent map of your codebase so AI coding tools read only what matters, with benchmarked context reductions on reviews and large-repo workflows.

18.4k2kPython

Toolsai-codingclaudeInstall

richards199999

Thinking-Claude

2mo ago

Let your Claude able to think

Show usage stats for OpenAI Codex and Claude Code, without having to login.

14.7k1.2kSwift

Toolsaiclaude-codeInstall

langchain4j

today

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.

12.3k2.3kJava

ToolsanthropicchatgptInstall

Wei-Shaw

claude-relay-service

today

CRS-自建Claude Code镜像，一站式开源中转服务，让 Claude、OpenAI、Gemini、Droid 订阅统一接入，支持拼车共享，更高效分摊成本，原生工具无缝使用。

12.1k1.8kJavaScript

Toolsclaudeclaude-apiInstall

siteboon

claudecodeui

today

Use Claude Code, OpenCode, Cursor CLI, and Codex on mobile and web with CloudCLI (aka Claude Code UI). CloudCLI is a free open source webui/GUI that helps you manage your Claude Code session and projects remotely.

11.8k1.6kTypeScript

Toolsanthropicanthropic-aiInstall

Standalone Tools for Claude

Tools are standalone CLIs, wrappers and utilities for the Claude ecosystem, projects that don't fit cleanly as a skill, MCP server or plugin but still belong in the orbit. Think: cost calculators, prompt managers, transcript viewers, conversation exporters, model routers, evaluation harnesses.

These projects often power workflows that sit alongside Claude Code rather than inside it. A common pattern: a CLI that batches prompts to the Claude API, parses results, and writes a CSV, useful for evals, content pipelines, and anything that needs deterministic batch processing.

Below: 790+ tools ranked by stars and Trust Score. Filter by use case to narrow (data, devops, evaluation, content…).

FAQ

Questions about Tools

How is a 'tool' different from an MCP server?+

An MCP server exposes capabilities to Claude over the protocol, Claude calls it. A standalone tool runs independently and may call Claude (or not). MCP servers are reactive; tools are proactive. Many projects ship as both, a CLI for humans plus an MCP server for Claude.

What kind of tools live in this category?+

Cost trackers (claude-cost), prompt CLIs (claude-cli, llm), evaluation harnesses, transcript exporters, model gateways (LiteLLM, OpenRouter wrappers), and project setup utilities. Anything that's not a skill/agent/MCP/plugin/template/hook.

Are these tools cross-model (work with OpenAI too)?+

Many are. Tools that wrap the Anthropic SDK only work with Claude; tools built on LiteLLM or LangChain work across providers. Each repo's README states the supported providers, check before adopting.

Do tools need API keys?+

Most do. The Anthropic ones need ANTHROPIC_API_KEY; cross-provider ones need keys for whichever providers you enable. Keys are usually read from environment variables, never paste them into config files committed to git.

Can I use Claude tools in my CI/CD pipeline?+

Yes. Many tools in this category are explicitly built for CI, they accept env vars, write structured output (JSON/CSV), and exit non-zero on failure. Common patterns: PR review bot, doc generation step, accessibility check, security scan.