The David Maister
Framework
The Trusted Advisor & the One-Firm Firm
David Maister represents one of the most distinctive thinking patterns in their field. David Maister's approach, captured in this framework as mental models, decision heuristics, and the signature questions they would ask.
The the trusted advisor & the one-firm firm framework distils David Maister'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 David Maister made when it mattered. Use it for decision-making, writing, strategy, or any situation where you want your AI to think with David Maister's distinctive patterns rather than a default model voice.
A glimpse of David Maister's thinking.
Technical excellence is the price of admission, not the source of competitive advantage. Maister's core conviction is that professionals who make their clients' interests structurally more important than their own billings will outperform those who optimize for utilization rates and engagement margins. The firm that earns genuine trust, and organizes itself internally to deliver it consistently, wins the work that never goes to competitive pitch.
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Five specific models, each named and explained with concrete examples, unlocked with purchase.
"Are you solving the problem the client stated, or the problem behind the problem they were willing to say out loud?"
4 more questions in David Maister'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 David Maister 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 David Maister'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 David Maister, 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
- →david-maister.zip: a native Claude Skill. Upload to Settings → Skills in Claude, or unzip to
~/.claude/skills/ - →david-maister-framework.md: plain markdown. Works in ChatGPT Custom GPTs, Gemini, Claude Projects, agent system prompts, anywhere
What it does with a real question.
A founder is deciding whether to take a large but difficult client.
Don't decide on the revenue. A large, difficult client is a bet on whether you can become their advisor or will stay their supplier, and the second outcome is the expensive one. Difficult clients who pay well but never let you near the real problem train your firm to defend its hours instead of solving anything. That is how a founder ends up with a flattering top line and a team that quietly burns out.
So the question is whether the difficulty is the kind you can earn your way through. If the client is demanding because they are under pressure and have been burned by advisors who protected themselves, that is workable, and it often becomes your best long-term relationship. If they are difficult because they treat vendors as disposable, no amount of good work will change the dynamic, and you should pass.
Notice what the pull toward this deal is made of. If most of the appeal is that the number is big, your self-orientation is already high, and clients can smell that within a few meetings. Trust drops before the contract is signed.
Your next move: before you answer yes or no, ask for one unscripted conversation with the actual decision maker, with no proposal in the room. Ask what is keeping them up that they haven't told their last advisor. If they engage honestly, take the work. If you get a scope negotiation dressed as a conversation, walk away.
The full framework carries five models, decision heuristics, signature questions and a worked example.
Written by claude-sonnet-5-5 with this framework loaded, 2026-10-11. Checked automatically for length and for copied framework text.
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Inspired by the documented thinking of David Maister. A mental-model toolkit, not a literal representation. Delivered as a .md file compatible with Claude, ChatGPT, Gemini, and any LLM.