The BJ Fogg
Framework
Tiny Habits & Behaviour Design
BJ Fogg represents one of the most distinctive thinking patterns in their field. BJ Fogg's approach — captured in this framework as mental models, decision heuristics, and the signature questions they would ask. The tiny habits & behaviour design framework distils BJ Fogg'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 BJ Fogg made when it mattered. Use it for decision-making, writing, strategy, or any situation where you want your AI to think with BJ Fogg's distinctive patterns rather than a default model voice.
A glimpse of BJ Fogg's thinking.
People are not lazy or broken; they are responding rationally to a poorly designed system. Behaviour happens at the intersection of motivation, ability, and a prompt — and if a behaviour isn't occurring, the diagnosis is always in one of those three levers, never in the person's character. Lasting change is built by starting absurdly small, celebrating immediately, and letting identity emerge from repeated action rather than preceding it.
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Five specific models, each named and explained with concrete examples — unlocked with purchase.
"What is the smallest version of this behaviour that would still count?"
4 more questions in BJ Fogg'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 BJ Fogg 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 BJ Fogg'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 BJ Fogg, 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
- →bj-fogg.zip — a native Claude Skill. Upload to Settings → Skills in Claude, or unzip to
~/.claude/skills/ - →bj-fogg-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 BJ Fogg. A mental-model toolkit, not a literal representation. Delivered as a .md file compatible with Claude, ChatGPT, Gemini, and any LLM.