Knowledge you can install.
Create a brain. Fill it with what you know. Anyone's AI can find it and learn from it.
This is a public brain. Try it.
Powered by AltBrain
Powered by @altbrain/welcome· What you're seeing is a live brain answering questions about itself.
That’s a public brain. Want to make your own?
Who it's for
Researchers
Publish your findings so any AI can cite them accurately.
Developers
Share your API patterns, architecture decisions, and best practices.
Educators
Turn your curriculum into a brain students can query from any AI tool.
Creators
Package your expertise into something AI assistants can actually learn from.
How it works
Claim your handle
Pick a name like @yourname. Your brains live under it.
Create a brain and add content
Upload docs, paste notes, add what you know. It’s indexed and searchable instantly.
Share your MCP link
Anyone can connect your brain to their AI. Claude, ChatGPT, Cursor, Copilot — they all work.
Explore public brains
See what people are sharing. Every brain is queryable by any AI assistant.
MCP Patterns
by @etienne
Integration patterns and best practices for building with the Model Context Protocol. Covers tool design, authentication flows, error handling, and real-world deployment strategies.
Nutrition Science
by @sarah
Evidence-based nutrition research compiled from peer-reviewed studies. Covers macronutrients, micronutrients, dietary patterns, and common misconceptions.
API Standards
by @devteam
REST API design standards and conventions for building consistent, maintainable APIs. Covers naming, versioning, error responses, pagination, and authentication patterns.
Welcome
by @altbrain
Learn about AltBrain and public brains. This brain answers questions about how the platform works, what you can do with it, and how to get started.
Put a brain on your website.
Embed a chat widget that lets visitors query your brain right on your site. Every widget is a free billboard. Same growth loop as Typeform, Calendly, and YouTube embeds.
<script src="https://altbrain.me/widget.js"
data-brain="@yourname/cooking">
</script>Powered by AltBrain
Simple pricing
Start free. Upgrade when you need more.
Pro
- Multiple brains
- Query analytics
- API access
- Audio/video transcription
- Priority in catalog
Full Platform
- Everything in Pro
- Private & shared brains
- Governance & canonical truth
- Cross-platform MCP tools
- Agent-driven curation
- Team sharing