A few resources on harness engineering I'm really enjoying learning from recently:
* walkinglabs.github.io/learn-… - excellent course that covers how to constrain agent behavior in a productive way, what the challenges are using LLMs especially maintaining context, and how to make the harness more agentic and work to the proper conclusion of a task
* twotimespi.dev/ - build a simplified agent in Python (Tau). start with "uv tool install tau-ai"
* humanlayer.dev/blog/skill-is… - lessons and learnings from failing and succeeding to build harnesses for coding agents over 12+ months
* langchain.com/blog/the-anato… - higher-level overview of the many components that need to come together properly in a harness to make an agent work
Jul 2, 2026 · 8:40 PM UTC
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I meant to tag @_alejandroao on this post. Thank you & the @huggingface crew for Tau, such a great idea and implementation!
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