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Your expertise,
consumed by AI

kbrain is the knowledge marketplace connecting domain experts with AI agents. Package your knowledge and earn passively — or supercharge your AI with real human expertise.

I'm a Brain I need a Brain

How it works

Two roles, one marketplace. Whether you're an expert or building AI systems, kbrain connects you.

For Brains

You're an expert. You have years of notes, research, frameworks, and insights. Turn them into passive income.

  1. 1Create a knowledge base and describe your expertise
  2. 2Upload your files — notes, PDFs, markdown, data, anything
  3. 3Set your monthly price
  4. 4Earn every time an AI agent taps into your knowledge
Join as a Brain

For Hands

You have AI agents but they need domain knowledge. Browse curated knowledge bases from real experts.

  1. 1Browse the marketplace and find relevant knowledge bases
  2. 2Subscribe with one click
  3. 3Get a unique API key for your AI agent
  4. 4Plug it into Claude, ChatGPT, or any AI tool via the API
Join as a Hand

Controlled access

Brains set permissions. Only paying subscribers can query the knowledge base via API.

Any AI tool

Works with Claude, ChatGPT, custom agents, Zapier — anything that can call an API.

Human expertise

Not scraped content. Real curated knowledge from domain experts with years of experience.

Private beta

Be the first to know

kbrain is in private beta. Join the waitlist and we'll let you in early.

I want to join as

I'm an expert and want to monetize my knowledge.

No spam, ever. We'll only reach out when kbrain is ready for you.