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anthropic GitHub repositories

Explore 132 tracked GitHub repositories tagged anthropic. Compare their recorded star activity and implementation languages, then follow related topics to find other projects.

Snapshot: 2026-10-28. The collection gained 3,152 stars since the previous daily snapshot.

Tracked repositories: 132
Total stars: 1,828,597
Stars gained · 7 days: +21,028
Stars gained · 30 days: +87,947

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Star activity for anthropic repositories on this page
Repository	Total stars	Today	7 days	30 days
affaan-m/ECC	290.9K	+1,042	+5,969	+22,463
NousResearch/hermes-agent	257.7K	+335	+2,163	+8,250
langchain-ai/langchain	148.6K	+48	+416	+1,407
JuliusBrussee/caveman	115.5K	+237	+1,679	+7,470
thedotmack/claude-mem	103.7K	+300	+1,763	+8,924

Explore repositories

Showing 1–50 of 132 tracked repositories.

affaan-m/ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

★ 290.9K+1,042 todayJavaScript

NousResearch/hermes-agent

The agent that grows with you

★ 257.7K+335 todayPython

langchain-ai/langchain

The agent engineering platform.

★ 148.6K+48 todayPython

JuliusBrussee/caveman

🪨 why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman.

★ 115.5K+237 todayGo

thedotmack/claude-mem

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

rtk-ai/rtk

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

★ 84.8K+133 todayRust

llm claude-code

headroomlabs-ai/headroom

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

asgeirtj/system_prompts_leaks

Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly.

★ 70.3K+46 todayPython

BerriAI/litellm

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]

★ 62.2K+98 todayPython

hesreallyhim/awesome-claude-code

A hand-picked collection of the finest of resources for the most awesome of agents, Claude Code, the undisputed champion of coding companions, from the unstoppable team at Anthropic PBC (no affiliation). A delectable showcase of top tier skills, ambidextrous agents, scintillating status lines, top notch developer tooling, and also we have plugins

can1357/oh-my-pi

⌥ Coding agent with the IDE wired in. Built by Stencil Labs.

★ 36.8K+121 todayTypeScript

decolua/9router

Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback, RTK -40% tokens, never hit limits.

★ 31.5K+66 todayJavaScript

simstudioai/sim

Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.

★ 29.9K+8 todayTypeScript

yamadashy/repomix

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

★ 29.0K+11 todayTypeScript

vercel/ai

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

★ 27.5K+23 todayTypeScript

dyad-sh/dyad

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

★ 22.1K+18 todayTypeScript

lidge-jun/opencodex

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code

★ 18.0K+34 todayTypeScript

llm claude-code

xbtlin/ai-berkshire

AI 时代的伯克希尔：基于 Claude Code / Codex 的价值投资研究框架。巴菲特·芒格·段永平·李录四大师方法论 + 多Agent并行研究。| AI-era Berkshire: a value investing research framework built for Claude Code / Codex. 4 masters' methodologies + multi-agent adversarial analysis.

CoplayDev/unity-mcp

Unity MCP acts as a bridge between AI assistants and your Unity Editor. Give your LLM tools to manage assets, control scenes, edit scripts, and automate tasks within Unity.

★ 15.5K+27 todayC#

NanmiCoder/cc-haha

本地优先的跨平台 Claude Code / AI Agent 桌面工作台：多 Agent 协作、Git Worktree、代码 Diff、技能市场、多模型、Computer Use、桌面宠物；支持微信、飞书、钉钉及 H5 等远程访问。 | Local-first Claude Code / AI Agent desktop workspace: multi-agent teams, Git worktrees, diffs, skills marketplace, multi-model, Computer Use, task-aware desktop pets; remote via WeChat, Feishu, DingTalk, Telegram, WhatsApp & H5.

★ 15.2K+21 todayTypeScript

langchain4j/langchain4j

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.

★ 13.3K+7 todayJava

Arize-ai/phoenix

AI Observability & Evaluation

★ 12.0K+19 todayPython

cobusgreyling/loop-engineering

Practical patterns, starters & CLI tools for loop engineering with AI coding agents. Design systems that prompt and orchestrate agents (inspired by Addy Osmani and Boris Cherny). Includes loop-audit, loop-init, loop-cost.

★ 11.6K+10 todayTypeScript

mnfst/awesome-free-llm-apis

List of Permanent Free LLM API (API Keys)

★ 11.4K+73 todayJavaScript

langchain-ai/open-swe

An Open-Source Asynchronous Coding Agent

★ 11.1K+8 todayPython

trailhq/Trail-Code

Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your codebase.

★ 10.8K+36 todayTypeScript

strands-agents/harness-sdk

Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.

osaurus-ai/osaurus

Own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.

★ 8.1K+2 todaySwift

2FastLabs/agent-squad

Flexible and powerful framework for managing multiple AI agents and handling complex conversations

AgentDeskAI/browser-tools-mcp

Monitor browser logs directly from Cursor and other MCP compatible IDEs.

★ 7.3K+1 todayTypeScript

tbphp/gpt-load

Self-hosted AI gateway for multi-channel, multi-credential setups — API keys and subscription accounts, scheduling, failover, request logs and usage. 自托管 AI 网关：多渠道多凭据统一接入，含密钥与订阅账号、调度容错、日志与用量。

★ 7.2K+2 todayGo

llm claude-code

open-multi-agent/open-multi-agent

Self-hosted TypeScript agent runtime with durable approvals and verifiable run records. Own it, approve it, audit it.

★ 7.0K+1 todayTypeScript

olimorris/codecompanion.nvim

✨ AI Coding, Vim Style

★ 6.9K+0 todayLua

llm claude-code

BlockRunAI/ClawRouter

The agent-native LLM router for autonomous agents. Every frontier model behind one wallet, <1ms local routing, USDC payments on Base & Solana via x402.

★ 6.6K+2 todayTypeScript

e2b-dev/fragments

Open-source Next.js template for building apps that are fully generated by AI. By E2B.

★ 6.4K+0 todayTypeScript

heilcheng/awesome-agent-skills

Tutorials, Guides and Agent Skills Directories

★ 6.3K+4 todayTypeScript

FlorianBruniaux/claude-code-ultimate-guide

The most comprehensive Claude Code guide: agentic workflows, hooks, skills, MCP servers, quizzes, and production-ready templates. 430K+ lines.

EverMind-AI/Raven

The Harness of Harnesses • built for RSI: a trusted, persistent, self-evolving multi-agent ecosystem for all-domain collaboration.

SenteLabsAI/OpenExecutive

AI-powered virtual executive team — a single coherent executive persona backed by 8 specialist agents (FastAPI + Next.js).

★ 5.7K+1 todayPython

looplj/axonhub

⚡️ Open-source AI Gateway — Use any SDK to call 100+ LLMs. Built-in failover, load balancing, cost control & end-to-end tracing.

★ 5.4K+3 todayGo

JetBrains/koog

Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for complex LLM and AI problems

★ 4.6K+2 todayKotlin

IvanMurzak/Unity-MCP

AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.

★ 4.5K+4 todayC#

crmne/ruby_llm

The Ruby AI framework.

gptme/gptme

Your agent in your terminal, equipped with local tools: writes code, uses the terminal, browses the web. Make your own persistent autonomous agent on top!

★ 4.5K+2 todayPython

lintsinghua/claude-code-book

《御舆：解码 Agent Harness》42万字拆解 AI Agent 的Harness骨架与神经 —— Claude Code 架构深度剖析，15 章从对话循环到构建你自己的 Agent Harness。在线阅读网站：

★ 4.3K+4 todayPython

steipete/oracle

Ask the oracle when you're stuck. Invoke GPT-5 Pro with a custom context and files.

★ 4.1K+1 todayTypeScript

Atmosphere/atmosphere

Portable AI agent runtime for the JVM. One @Agent class runs on Spring AI, LangChain4j, Anthropic, or 9 more behind one SPI. Token streaming, tool calls, human approvals, and governance over WebSocket, SSE, gRPC, or WebTransport/HTTP3. Speaks MCP, A2A, and AG-UI.

★ 3.8K+0 todayJava

bytebase/dbhub

Token conscious database MCP server for Postgres, MySQL, SQL Server, Oracle, MariaDB, SQLite.

★ 3.7K+2 todayTypeScript

nextlevelbuilder/goclaw

GoClaw - GoClaw is OpenClaw rebuilt in Go — with multi-tenant isolation, 5-layer security, and native concurrency. Deploy AI agent teams at scale without compromising on safety.

★ 3.7K+2 todayGo

vibheksoni/stealth-browser-mcp

Stealth browser automation for AI agents over MCP and the Chrome DevTools Protocol: navigation, network hooks, DOM extraction, and pixel-accurate UI cloning.