Open Brain

The infrastructure layer for your thinking. One database, one AI gateway, one chat channel. Any AI you use can plug in. No middleware, no SaaS chains, no Zapier. This isn't a note-taking app. It's a database with vector search and an open protocol — built so that every AI tool you use shares the same persistent memory of you. Claude, ChatGPT, Cursor, Claude Code, whatever ships next month. One brain. All of them. Open Brain was created by Nate B. Jones. https://github.com/NateBJones-Projects/OB1

Build Your Open Brain: This is the core of Open Brain — the foundation everything else builds on. Once this is running, you'll have a personal knowledge system that any AI can read from and write to. Every extension, recipe, and integration in this repo starts here.

About 30 minutes. Zero coding experience. Two free services:
Supabase — Your database
OpenRouter — Your AI gateway

*Credential Tracker You're going to generate API keys, passwords, and IDs across three different services. You'll need them at specific steps later — sometimes minutes after you create them, sometimes much later. Don't trust your memory.

[!CAUTION] 🛑🛑🛑 STOP. Download this before you do anything else. 🛑🛑🛑

This spreadsheet is your lifeline for the entire setup. Every API key, password, and URL you generate goes here. Some of these credentials cannot be retrieved once you leave the page — if you don't save them immediately, you'll have to start over.*

Supabase is your database. It stores your thoughts as raw text, vector embeddings, and structured metadata. It also gives you a REST API automatically.

Three SQL commands, pasted one at a time. This creates your storage table, your search function, and your security policy.

2.1 — Enable the Vector Extension

2.2 — Create the Thoughts Table

2.3 — Create the Search Function

2.4 — Lock Down Security

2.5 — Verify