Beta — All brains free

Load a genius into your AI.

Knowledge graphs of the world's best thinkers, packaged as 8 AI skills. Installs in seconds.

Works with Claude Code, Cursor, Gemini CLI, and more

Available brains

Explore before you install. Every atom, connection, and insight — visible.

LiveFree in Beta

Peter Attia

"The Drive" podcast and reviews of "Outlive" book

Longevity science, health optimization, evidence-based medicine

73 atoms40 connections15 clusters
LongevityExerciseNutritionSleep+1
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Scott BelskyNew! V2

"Implications" newsletter

Product intuition, creative leadership, Adobe/VC lens

284 atoms430 connections16 clusters
Product & DesignAI & TechnologyLeadershipCreativity+2
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Paul Graham

essays on paulgraham.com

Startup wisdom, essays on thinking, Y Combinator founder

213 atoms409 connections12 clusters
StartupsProgrammingWritingIndependent Thinking
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Hank Green

SciShow, Crash Course, Vlogbrothers, TikTok videos, Dear Hank & John podcast, interviews, TED talks, and two novels

Science, curiosity, and the internet as a force for good

222 atoms366 connections12 clusters
Science CommunicationCreator EconomyAttention & AlgorithmsCommunity+8
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John Green

"The Anthropocene Reviewed" podcast and book, "Everything is Tuberculosis," Vlogbrothers videos, TED talks, interviews, and commencement speeches

Hope, attention, and the meaning we make in the Anthropocene

205 atoms385 connections12 clusters
Hope & despairMeaning-makingMental healthAttention+8
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Steve Jobs

speeches, interviews, keynotes, and public appearances

Product design, simplicity, taste, and the intersection of tech and liberal arts

170 atoms792 connections12 clusters
Product DesignSimplicityLeadershipInnovation+2
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Charlie Munger

Poor Charlie's Almanack, Berkshire Hathaway and Wesco annual meetings, Daily Journal meetings, and commencement speeches

Mental models, value investing, psychology of human misjudgment

218 atoms200 connections12 clusters
Mental ModelsInvestingPsychologyWorldly Wisdom
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Sun Tzu

"The Art of War" and attributed historical commentary

Ancient strategy for modern warfare — business, technology, and life

207 atoms377 connections12 clusters
Strategy & PlanningDeception & InformationLeadershipTerrain & Positioning+2
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See the difference.

The same question, with and without a brain loaded.

Without a brain

> Should I raise my Series A or stay bootstrapped?

It depends on your situation. Consider factors like your runway, growth rate, market opportunity, and personal goals. Both paths have trade-offs. Raising can accelerate growth but dilutes ownership. Bootstrapping preserves control but may limit speed...

Generic. No frameworks. No evidence.

Belsky Brain V2 loaded (3 atoms, confidence: 0.95)

> /advise "Should I raise my Series A or stay bootstrapped?"

Belsky would push you toward staying small. His core thesis is "revenue per employee" as the new status metric — he believes resourcefulness outperforms resources, and AI-native tools let small teams scale ambition without proportionate headcount.
Sources: "Scaling Without Growing", "Premium of Originality", "Exponential Code"
Try /debate to stress-test • /coach to find your blind spots

Built from public sources only

Every brain is derived exclusively from freely available, public resources — interviews, podcasts, free newsletters, talks, and blog posts. No commercial transcripts or paywalled content. Where book ideas appear, they come from public discourse: reviews, author interviews, and press coverage.

Three steps. That's it.

01

Browse & choose

Explore the full knowledge graph. See every atom, connection, and insight before you install.

02

Install with one command

One line in your terminal. Works with Claude Code, Cursor, Gemini CLI, and any AI tool that supports skills.

$ npx skills add brainsfor/belsky
03

Use 8 thinking skills

From /advise for decisions to /surprise for daily inspiration. Chain skills into workflows.

8 thinking skills per brain

Not just data. Interactive reasoning modes that chain into workflows.

🧭

/advise

Strategic counsel on your decisions

Decision
📖

/teach

Learn concepts through their lens

Learning
⚔️

/debate

Stress-test ideas or pit positions head-to-head

Decision
🔗

/connect

Find unexpected bridges or synthesize ideas

Creative
📈

/evolve

Track how their thinking changed over time

Learning

/surprise

Surface an unexpected insight

Creative
🪞

/coach

No answers — just the questions they’d ask you

Decision
🔮

/predict

Trace second and third-order effects

Forecast
Limited

Become a founding supporter

First 100 members per brain get their name embedded in the brain pack, free updates forever, and a vote on the next brain we build.

87 of 100 founding spots remaining for the Belsky brain

Who should we build next?

Request a thinker. When a brain hits 50 requests, we build it.

Scott GallowayNaval RavikantMarc AndreessenBrene BrownMalcolm Gladwell