Frank

What it does

Most PM tools help you organise decisions. Frank helps you make better ones. Unlike prioritisation frameworks that have you scoring guesses, Frank structures your thinking, challenges your assumptions with evidence, and uses pairwise comparison to build a ranking grounded in real reasoning not weighted gut feel. The result: decisions you can trace, defend, and learn from. A thinking partner, not a decision engine.

Frank helps PMs and founders make better product decisions. Gather evidence, challenge assumptions, compare ideas, and close the loop on every decision that matters.

Stop scoring ideas 1–5 and multiplying your guesses. Gather real evidence, challenge your assumptions, and build conviction you can defend to anyone. Add what's on your mind. Frank keeps everything organized in one place. Frank asks the hard questions. You bring the evidence — user feedback, metrics, and everything in between. Two ideas. One choice. Your intuition becomes a ranked list — no scoring scales, no guesswork. Mark it done. Reflect on outcomes. Every decision sharpens the next one. Frank doesn't decide for you. It helps you decide with confidence. Frank guides you through targeted questions for each idea. Your answers become a clear evidence narrative — not a number on a scale.…from befrank.ai

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  Hey HN, author here. I noticed a pattern: every time I asked my AI assistant a complex question like "should we migrate to microservices or optimize the monolith?", I'd get the same generic pros-and-cons list. The model has the reasoning capability — it just lacks structured mental models. So I built Think Better: a set of open-source "AI Skills" (following the Anthropic skill format) that inject professional decision science frameworks directly into your local AI setup. How it works under the hood: - The skills contain 16 CSV files with 155 structured knowledge records (decision frameworks,…

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