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An agent built him a custom coding harness in an hour, and it works nearly flawlessly

Prompted an agent to build a custom LLM coding harness with session resume, done in an hour and working nearly flawlessly, plus a WebFetch tool added in 5 minutes.

How it works

  1. He prompts an agent to build the harness
  2. It is done in an hour with session resume working
  3. A web fetch tool is added in 5 minutes more

Why it’s worth knowing

He now works inside a tool an agent built for him in an hour.

Where it’s from

Summarized from a public post on news.ycombinator.com. See the original ↗

Upgraded prompt

A ready-to-use prompt for this idea, built from research on what makes AI agents do the job right: who the AI should be, the exact steps, and a check to make sure it was done the way you wanted.

1Who the AI should be
2The prompt, with the steps
3The check when it’s done
Upgraded prompts are coming soon.

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Every idea is a real post from someone who tried it, summarized in our words, with a link to the original. App names are swapped for plain words.