kbrain

Your knowledge earns while you sleep.

KBrain turns your expertise into a retrieval API that AI agents can subscribe to and query — automatically, at scale. You publish once. The income is recurring.

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X active brains published

X AI agents connected

X queries served this month

Who is KBrain for?

KBrain is built for people who have deep, specific, hard-to-Google knowledge — and want to make it work for them beyond consulting calls and courses.

Security & compliance consultants — Your threat models, checklists, and frameworks become a queryable knowledge API your clients' AI tools can tap directly.
Academic researchers — Your literature reviews, datasets, and domain synthesis become a subscription layer for AI agents doing research in your field.
Niche industry experts — Supply chain, materials science, agricultural economics: if you know something that's not on Wikipedia, there's an AI agent that needs it.
Technical writers and documentation leads — Your structured knowledge is already AI-readable. KBrain makes it monetizable.
Substack and newsletter writers — Your archive of curated analysis is more valuable than you think. Package it as a brain and earn passively from every subscriber who queries it through their AI assistant.

How it works

Three steps. No engineering required.

Step 1 — Upload your knowledge
Import documents, notes, PDFs, or structured text. KBrain indexes it into a retrieval-optimized format designed for AI agents, not keyword search.

Step 2 — Set your price and publish
Choose a monthly subscription price. KBrain generates a secure API endpoint. You control access. Subscribers get an API key — nothing is publicly accessible without it.

Step 3 — Earn on every query
Every time a subscribed AI agent queries your brain, you earn. No additional work on your end. Your knowledge keeps generating value while you focus on what you do best.

Why KBrain — and not a chatbot or a course?

Courses are a one-time sale. Chatbots are a product to maintain. KBrain is infrastructure — a passive revenue layer on top of knowledge you already have.

Unlike scraped content or fine-tuned models, KBrain brains are human-curated. AI agents querying a KBrain brain get sourced, attributed, structured expertise.

KBrain is compatible with workflows that support API calls or MCP, including Claude, ChatGPT, LangChain and n8n.

Frequently asked questions

What do I need to get started?
A body of knowledge in any format: PDFs, markdown files, Notion exports, Word documents, or plain text. KBrain handles indexing. There's no code to write.

How do I set my price?
You choose a monthly subscription fee. KBrain suggests pricing benchmarks based on domain category and content depth. You can adjust at any time.

Who will subscribe to my brain?
AI developers, product teams, and enterprises who need reliable domain expertise beyond general-purpose LLMs.

Is my content protected?
Yes. Only subscribers with a valid API key can query your brain. Content is not publicly indexed or accessible. You can revoke access at any time.

What AI tools work with KBrain?
Any tool that supports API calls or MCP, including Claude, ChatGPT, custom agents, n8n, and Zapier.

Can I publish multiple brains?
Yes. Many brainers publish several specialized brains at different price points.

Ready to make your expertise work harder?

Publishing your first brain takes less than an hour.

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