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Rubrkit

Rubrkit

Jul 2, 2026 AI & Machine Learning
ai testing llm evaluation prompt engineering prompt grading

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Rubrkit

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Solo dev. The problem: every prompt I shipped was judged by eyeball. It looks fine after three tries, so it ships. Then someone tweaks a word or swaps the model and it gets worse. Nobody notices until a user does. So I built Rubrkit. It grades your prompt against a 10-dimension rubric, the way a teacher grades an essay. Point it at a prompt, agent, or skill and run an audit You get a score per criterion and the reason it failed, not just "7/10" It suggests fixes, applies them, and re-r...

Comments (5)

Neil Sporer Neil Sporer 1 week ago

how does it detect regression without ground truth labels

Emmanuelle Beahan Emmanuelle Beahan 1 week ago

description cuts off mid-sentence. hope the tool catches regressions better than the copy

Brooklyn Harber Brooklyn Harber 5 days ago

prompt regression kills quietly. what eval method are you using?

Fidel Kerluke Fidel Kerluke 3 days ago

eyeballing prompts until they look fine then shipping is too real

Jasen Trantow Jasen Trantow 1 day ago

eyeball eval is a scaling bottleneck, what rubric dimensions are you tracking