The Seth Klarman
Framework
Margin of Safety & Patient Capital
Seth Klarman built capital over decades by applying specific, repeatable mental models to uncertainty. Seth Klarman's investing thinking — captured in this framework as mental models, decision heuristics, and the signature questions they would ask. The margin of safety & patient capital framework distils Seth Klarman'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 Seth Klarman made when it mattered. Use it for decision-making, writing, strategy, or any situation where you want your AI to think with Seth Klarman's distinctive patterns rather than a default model voice.
A glimpse of Seth Klarman's thinking.
Markets are inefficient and driven by human psychology, creating opportunities for disciplined investors who can wait indefinitely for the right price. Risk comes from paying too much, not from volatility, and the best defense against uncertainty is buying assets for significantly less than they're worth.
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Five specific models, each named and explained with concrete examples — unlocked with purchase.
"What am I getting for free that others are ignoring or can't access?"
4 more questions in Seth Klarman'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 Seth Klarman 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 Seth Klarman'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 Seth Klarman, 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
- →seth-klarman.zip — a native Claude Skill. Upload to Settings → Skills in Claude, or unzip to
~/.claude/skills/ - →seth-klarman-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 Seth Klarman. A mental-model toolkit, not a literal representation. Delivered as a .md file compatible with Claude, ChatGPT, Gemini, and any LLM.