Building a personal agent harness: the workflow matters more than the model

ghumare64 · x · 2026-10-02

Engineer ghumare64 explains why building your own agent harness taught him that most of an agent workflow has little to do with the model: what context loads, which tools exist, where state lives, what needs approval, and how to resume failed runs. By composable interfaces, you can swap coding agents, retrieval layers, and approval rules independently — carrying your working habits across model changes instead of rebuilding around each tool's defaults.

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