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Cross-AI Workflowsbeginner · ~120 min

Teach Three AIs About You Once — a 1,500-Character Context Pack You Own

You have spent a year teaching one AI how you write, what you are working on, and the four things it must never do — so what exactly happens the morning you open a different one?

This project replaces the answer most people give ("I suppose I'd start again") with one small file you own, small enough to fit inside the tightest instruction box any vendor gives you, installed in three different AI systems, and then actually tested — because the uncomfortable discovery is not that your context is hard to move, it is that all three systems will accept it and only some of them will obey it.

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Teach Three AIs About You Once — a 1,500-Character Context Pack You Own
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What you'll do

A portable context pack you own outright and can install anywhere: a versioned folder of plain-text rule files, a build step that assembles them into three vendor-shaped variants and refuses to ship one that busts the 1,500-character budget a free ChatGPT plan actually enforces, the pack installed and living in ChatGPT custom instructions, a Gemini Gem, and Claude's memory, a written audition prompt and rule-by-rule scorecard you wrote before you installed anything, filled-in results proving which rules took hold in which system, a one-message paste-me fallback for any AI that has no instruction slot at all, and a dated changelog so the pack stays true a year from now.