It's Not Just a Loop: Inside a Coding Agent Harness
A technical dissection of what runs inside coding agents: tool loops, sandboxing, compaction, memory, why the model is the smallest part, and what I learned replicating the harness.
Fullstack software engineer specializing in building web applications with modern JavaScript and AI-driven features. Worked on multiple startups across insurance, iGaming, and video streaming domains, with active contributions to open source.
Reach out at hi@adarsha.dev for exciting projects or opportunities.
A technical dissection of what runs inside coding agents: tool loops, sandboxing, compaction, memory, why the model is the smallest part, and what I learned replicating the harness.
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