Harness Engineering 101: The LLM is the brain, the harness is the body
isuruwijesiri · hn · 2026-10-19
A new open-source GitHub repo, harness-engineering-101, teaches the fundamentals of building LLM harnesses: the engineering scaffolding around a model. The core framing: the LLM is the brain, the harness is the body—covering the tooling, context, and execution setup that turns a raw model into something that can actually do work.
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