Jev case: Every company writes copy rules.
Built a PR reviewer using Jev that flags marketing sentences making claims without supporting evidence.
The original post
Every company writes copy rules. Nobody enforces them after launch week. So I made the reviewer that never gets tired. It reads your marketing site on every PR and names each sentence that makes a claim with no evidence beside it. It's using Jev from @typesafeai It doesn't
Engagement when collected
Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.
Where this case fits
Filed under websites & web apps, sales, ads & marketing. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Other posts in the same family are on the websites & web apps page.
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Last updated: 2026-09-22 · sources & corrections · every card links to its author's original post