The One Rule for Trustworthy Quoting Agents: Never Let the LLM Touch the Numbers

Futdragun · reddit · 2026-10-01

A developer building quoting agents for custom-work businesses shares his architecture: LLMs only extract (temperature 0, strict JSON), missing fields stay null and become customer questions, pricing runs on a deterministic code engine, price regression tests must match to the cent, and a human approves everything. His key lesson: the hard part isn't the AI but the domain vocabulary customers leave out. The pattern—extract, flag, ask, price with code, human approves—applies to any quoting business.

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