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Anthropic's free xlsx skill lets Claude build and edit Excel files

A ready-made skill folder you can add to Claude Code, Claude.ai or the API so it works with spreadsheets the same way every time.

For industrial sales: turn a customer's spec sheet into a priced quote in Excel.

More from The Feed

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HAZOP agent: drafts a HAZOP worksheet from a P&ID, then scores itself against the human team's worksheet

Over several runs it sorts the team's rows into ones the AI finds every time, ones it finds sometimes, and ones it never finds. The author's point is to let AI draft the generic rows and save the experts for the hazards unique to the project.

For process safety engineers and PHA leaders: see exactly which hazards an AI misses before trusting it with any part of a study.

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Volve Ops Agent: an AI investigation system for underperforming wells that has to show its evidence like an engineer would

Built on Equinor's open Volve dataset, it wrote its pass and fail tests down before each run, and its README reports the ones that failed. One finding: none of 3,673 drilling report events fell inside a production problem window, because no rig is on a producing well to write reports.

For production engineers: a good reminder that an agent can only explain a well problem if somebody recorded what happened.