GalaxyBrain – an information operating system powered by local files

Show HN: GalaxyBrain – an information operating system powered by local files

GalaxyBrain – an information operating system powered by local files is a company in show hn launch.

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GalaxyBrain is a local-first knowledge system where pages have variables, formulas, and live references between them.Every page can have custom variables defined on it, like a lightweight programming environment inside a document. Those variables become metadata you can access and reference from any other page in the system. Change a value anywhere and everything connected to it updates in real time.All data is stored locally as structured JSON files. There's a built-in HTTP API and an MCP tool, so anything you can do in the app you can do programmatically. Point Claude Code, Codex, or a local model at the same folder and build on top of it.It runs in the browser. The entire app is a single

As a business in show hn launch, GalaxyBrain – an information operating system powered by local files is listed here with the public details available about it.

It is recorded at the Show HN launch stage.

Website: galaxybrain.com