The John Caples
Framework
Tested Advertising Methods
John Caples moved markets by understanding the specific psychology of attention and offer. John Caples's commercial thinking — captured in this framework as mental models, decision heuristics, and the signature questions they would ask. The tested advertising methods framework distils John Caples's documented approach into a .md skill file you can load into Claude, ChatGPT, or any LLM in seconds. Where most AI personas generate generic output, this framework is grounded in real documented work: interviews, writing, published frameworks, and the specific decisions John Caples made when it mattered. Use it for decision-making, writing, strategy, or any situation where you want your AI to think with John Caples's distinctive patterns rather than a default model voice.
A glimpse of John Caples's thinking.
Every advertisement is a scientific experiment where the market renders its verdict through dollars spent, not opinions given. Headlines are 80% of your ad's power—get them wrong and the best body copy in the world won't save you. Test everything, assume nothing, and let split-test results humble your creative ego.
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Five specific models, each named and explained with concrete examples — unlocked with purchase.
"What specific, measurable result will this headline produce compared to our control?"
4 more questions in John Caples's voice are unlocked with purchase.
Full list of anti-patterns unlocked with purchase.
The full framework adds: detailed explanations of all five mental models with real-world examples, the decision heuristics John Caples actually used, remaining signature questions, the complete list of anti-patterns, a copy-paste activation prompt, and a worked example.
Unlocked the moment you purchase. ~2,000 words total. Delivered as a Claude Skill and plain .md within 60 seconds of checkout.
- ✦Core philosophy — 2–3 sentences grounded in John Caples's documented worldview
- ✦Five signature mental models — each named, with concrete examples from their work
- ✦Decision heuristics — the concrete rules they actually used
- ✦Signature questions — five questions that sound like John Caples, not a generic MBA
- ✦What they would NOT do — the anti-patterns this framework rejects
- ✦Copy-paste activation prompt — drop straight into Claude or ChatGPT
- ✦Worked example — the framework applied to a realistic scenario
- →john-caples.zip — a native Claude Skill. Upload to Settings → Skills in Claude, or unzip to
~/.claude/skills/ - →john-caples-framework.md — plain markdown. Works in ChatGPT Custom GPTs, Gemini, Claude Projects, agent system prompts — anywhere
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Works as a Claude Skill (.zip) and as a plain .md for ChatGPT, Gemini & every LLM
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Inspired by the documented thinking of John Caples. A mental-model toolkit, not a literal representation. Delivered as a .md file compatible with Claude, ChatGPT, Gemini, and any LLM.