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15 deterministic tools your AI agent should call instead of guessing

This story is from 2026-10-29. It is preserved in the archive; the latest stories are on the live feed.

Ask an LLM whether EKU9003173C9 is a valid Mexican RFC, what the German VAT rate was on a given date, or which HTS code applies to a stainless steel sink, and you get a confident answer. Sometimes it is right. For an invoicing, KYC or customs agent, "sometimes" is not good enough: a check digit is…

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  1. 2026-10-29 19:09 · DEV Community — AI
    15 deterministic tools your AI agent should call instead of guessing

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