GalaxyBrain Launches Local-First Information Operating System with Live Document References
By
Jon Wheatley
A five-star bake. Worth schmearing, sharing, saving.
Summary
GalaxyBrain.com launches an 'information operating system' that functions as a local-first knowledge management tool. It combines document editing with programming concepts, allowing users to create pages with variables, formulas, and live references that automatically sync across documents. All data is stored as structured JSON files locally on the user's machine, with built-in HTTP API and MCP tool support for integration with AI models like Claude Code and Codex.
Key quotes
· 5 pulledGalaxyBrain is a local-first knowledge system where pages have variables, formulas, and live references between them.
Define a value on one page, reference it from another, and it stays in sync automatically.
Like a programming environment crossed with a document editor.
Everything is stored as structured JSON files on your machine.
There's a built-in HTTP API and MCP tool so you can point Claude Code, Codex, or a local model at the same folder and build on top.
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