microsoft/agent-lightning

The absolute trainer to light up AI agents.

AI agentsPython#agent#agentic-ai#llm#mlops#reinforcement-learning

3.0 Breakout Magnitude out of 10. Star growth looks organic. Data as of September 18, 2026.

About the project

A lightweight (~3,500 LOC) reinforcement-learning framework for training AI agents with their real harnesses: agents run unchanged while a proxy gateway captures training data. Includes Kubernetes support and coding-agent training examples.

Useful for

Train a coding agent on your own repositories and tests via RL
Run agent rollouts as Kubernetes Jobs without external sandbox services
Collect a trajectory dataset from agent model calls via the API Gateway

README summarized by DeepSeek V4.1 Flash. Details may be inaccurate.

Why it’s trending

20 stars so far today, about 26 expected by the end of the day.
Over the last two days the pace is 3.4× that of the previous week and a half.
GitHub Trending Python today: #13, +70 stars.
About 8 forks a day — people are taking the code.

Stars per day

Bars are daily stars, the line is the usual pace. Red marks spike days.

Numbers

Total stars: 18,336
Stars in a day: 26
Forks: 1,615
Issues and pull requests: 591
Watchers: 84
Language: Python
License: MIT
Latest release: v1.0.1 · August 24, 2026
Created: June 18, 2025
Last push: September 17, 2026

Star trust

Growth looks organic: forks and discussion are in line with active projects, and stars arrive unevenly, the way people give them.

These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.

Spotted in

September 18, 2026GitHub Trending Python today: #13, +70 stars

README badge

Paste it into your README — the badge shows the current magnitude and links to this page.

[![Seismograph](https://gitnova.dev/badge/microsoft/agent-lightning.svg?lang=en)](https://gitnova.dev/en/r/microsoft/agent-lightning)

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