AI agents

Open-source AI agents

An AI agent is a program that uses a language model to decide what to do next, calls tools such as a browser, a code interpreter or an API, and repeats until the task is done. The projects here range from frameworks for building your own agents to finished agents that write code, browse the web or run business workflows.

How to choose

Compare three things. Which models it can use: a single provider, or any OpenAI-compatible endpoint including local ones. How it limits what the agent may do: sandboxing, approval steps and permission lists. And whether it keeps memory between steps and sessions. An agent that runs code or shell commands should run in a sandbox, so check that before giving it access to your machine.

Most-starred projects

193–216 of 4,276

FlashML-org

FreeToken

★ 13,930

FreeToken brings datacenter-scale model serving to your desktop. Run massive models locally, fast and efficiently.

Python

567-labs

instructor

★ 13,911

structured outputs for llms

Python

coleam00

context-engineering-intro

★ 13,889

Context engineering is the new vibe coding - it's the way to actually make AI coding assistants work. Claude Code is the best for this so that's what this repo is centered around, but you can apply this strategy with any AI coding assistant!

Python

microsoft

agent-framework

★ 13,866

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

Python

nanobrowser

★ 13,850

Open-Source Chrome extension for AI-powered web automation. Run multi-agent workflows using your own LLM API key. Alternative to OpenAI Operator.

TypeScript

browseros-ai

BrowserOS

★ 13,781

🌐 The open-source Agentic browser; alternative to ChatGPT Atlas, Perplexity Comet, Dia.

TypeScript

microsoft

playwright-cli

★ 13,620

CLI for common Playwright actions. Record and generate Playwright code, inspect selectors and take screenshots.

JavaScript

xszyou

Fay

★ 13,552

fay是一个帮助数字人（2.5d、3d、移动、pc、网页）或大语言模型（openai兼容、deepseek）连通业务系统的agent框架。

Python

actions

runner-images

★ 13,405

GitHub Actions runner images

PowerShell

EverMind-AI

EverOS

★ 13,313

One portable memory layer for every AI agent: local-first, Markdown-native, user-owned, and self-evolving across apps, tools, and workflows.

Python

cloudwego

eino

★ 13,215

The ultimate LLM/AI application development framework in Go.

The-PR-Agent

pr-agent

★ 13,173

🚀 PR Agent: The Original Open-Source PR Reviewer. This project is not the Qodo free tier.

Python

langchain4j

★ 13,156

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.

Java

markmap

★ 13,139

Build mindmaps with plain text

TypeScript

ShishirPatil

gorilla

★ 13,044

Gorilla: Training and Evaluating LLMs for Function Calls (Tool Calls)

Python

Orchestra-Research

AI-Research-SKILLs

★ 13,030

Comprehensive open-source library of AI research and engineering skills for any AI model. Package the skills and your claude code/codex/gemini agent will be an AI research agent with full horsepower. Maintained by Orchestra Research.

TeX

InsForge

★ 13,022

The all-in-one, open-source backend platform for agentic coding. InsForge gives your coding agent database, auth, storage, compute, hosting, and AI gateway to ship full-stack apps end-to-end.

TypeScript