Audit Hidden Assumptions in Templates Before You Trust ThemAudit Hidden Assumptions in Templates Before You Trust Them
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Every template you borrow comes with decisions somebody else made for you.
Take an Excel template for tracking sales. A date format, a rule for how blanks are treated, a hidden column feeding a formula, a default filter that leaves out last year. None of it is necessarily wrong. It’s just not yours, and you won’t notice until a number looks off and you can’t tell which assumption caused it.
The same thing happens with copied code, a starter project, or a system prompt pasted in from somewhere else. It works well enough on day one, so nobody reads it line by line.
What helps is treating a template like a dependency instead of a draft. For each line, ask whether you would have written it for your situation. If yes, keep it. If not, delete it or make an explicit decision about it. Then try it on a few inputs it was never designed for.
I wrote about how this plays out with AI system prompts, where an inherited instruction can quietly pull against your own rules: https://medium.com/@nagatomopedro05/the-decisions-hidden-inside-every-template-6ddb8715c24e
What’s the most surprising thing you’ve found hiding inside a template you thought you understood?
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Shoaib's avatar
Inherited system prompts are the sneakiest version of this. When I build with Claude I keep a short list of rules I chose on purpose, so a borrowed instruction that conflicts stands out instead of quietly winning.
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