Resources for Learning Harness Engineering

Resources for Learning Harness Engineering

Here are a few resources that I have been enjoying studying lately:

1. https://walkinglabs.github.io/learn-harness-engineering/en/ — an excellent course on how to productively constrain agent behavior, the issues that arise when using LLMs (especially with context retention), and how to make the harness more agent-like and capable of completing tasks correctly.

2. https://twotimespi.dev/ — create a simplified agent in Python (Tau). Start with uv tool install tau-ai.

3. https://humanlayer.dev/blog/skill-issue-harness-engineering-for-coding-agents — lessons and takeaways from failures and successes in building harnesses for coding agents over 12+ months.

4. https://langchain.com/blog/the-anatomy-of-an-agent-harness — a high-level overview of many components that need to come together correctly in a harness for the agent to function.

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