coding harness architecture

Oct
13
Banner showing a coding harness loop: prepare context, get a model response, run allowed tool calls, and record results. Pi 1.0 is identified as the case study.

What is an agent harness, and how does a coding harness work?

A runnable experiment with the Pi coding agent fails after completing an action. Running it again repeats the action. We map the execution, control, and context choices behind that result so you can test your own harness.
10 min read