What an agent harness adds to the model
The harness turns model proposals into an operating trajectory with policy, tools, state, and real observations.
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The ideas to retain
The model does not own the repository
It helps to separate three objects that commercial interfaces often bundle together.
1. Model
The model is the inference component. It receives a representation of the available context and produces an output: text, structured code, a tool call, or some combination supported by…
2. Coding assistant
Coding assistant is primarily a developer-assistance product experience, not an architectural standard. It may mean completion, repository chat, guided editing, or an interface that can…
Key moments


