ScriptsMay 11, 2026·2 min read

AG2 — Open-Source AgentOS for Multi-Agent Systems

AG2 (formerly AutoGen) is an open-source framework for building cooperating AI agents with tool use, human-in-the-loop workflows, and patterns.

Agent Toolkit
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Intro

AG2 (formerly AutoGen) is an open-source framework for building cooperating AI agents with tool use, human-in-the-loop workflows, and patterns.

  • Best for: Teams prototyping multi-agent collaboration patterns who want an open-source AgentOS-style framework
  • Works with: Python workflows; docs and examples are linked from the README
  • Setup time: 15 minutes

How to Use It Well

  • Setup time ~15 minutes (pip install + run one starter example)
  • The project positions itself as AgentOS-style multi-agent tooling (formerly AutoGen)
  • GitHub stars + forks (verified): see Source & Thanks

Treat multi-agent as a control problem. Start with a tiny set of roles, define tool boundaries, and log every tool call. Once you can reliably reproduce a run, then scale to more agents and longer horizons.

FAQ

Q: Is it stable? A: The README discusses roadmap and versioning; start with one pattern and upgrade deliberately.

Q: How many agents should I start with? A: Two is enough: one assistant and one user/tool proxy. Add more only after you can debug failures.

Q: How do I keep it safe? A: Use least-privilege keys, separate dev/prod, and require explicit approvals for any write or shell execution.

🙏

Source & Thanks

Source: https://github.com/ag2ai/ag2 > License: Apache-2.0 > GitHub stars: 4,533 · forks: 621

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