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agent-lightning

The absolute trainer to light up AI agents.

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python/uvpythonagent-appPythonmlopsreinforcement-learningllmagentic-aiagent

agent-lightning is a Microsoft-published Python package for training AI agents, described by its authors as "the absolute trainer to light up AI agents." Its tags point to reinforcement learning applied to LLM-based agents within an MLOps workflow.

You reach for it when you want a dedicated training framework for agents rather than just inference or orchestration tooling.

Use it to

  • Train LLM-based agents with reinforcement learning
  • Integrate agent training into an MLOps pipeline
  • Set up a Python toolchain with uv for agent development
  • Evaluate and improve agent behavior through training

For ML engineers and researchers training LLM agents

Role
agent-app
Language
Python
Licence
MIT
Forks
1,589
Open issues
100
Last push
2026-09-15
Latest release
v0.1 · 2025-08-04
Skills shipped
1
topicsagentsreinforcement-learningllmmlopstrainingpython