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Five minutes from a rough grammar sketch to a working parser, instead of hours

Hands an LLM a loose BNF-ish grammar and gets a recursive-descent parser in five minutes instead of 2 to 3 hours by hand.

5 minsaved

How it works

  1. He hands an LLM a loose grammar sketch
  2. Gets a recursive-descent parser in five minutes instead of 2 to 3 hours by hand

Why it’s worth knowing

Parsers are boilerplate with good PR; the agent treats them that way.

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.