Operating manual for reading and writing a project's brain — every read and write goes through the bundled zero-dependency `brain` CLI; never hand-edit brain files. Read it before creating or modifying any page or root page.
Bootstrap the Open Project Brain Standard into the current project — ensure BRAIN.md is in the project root, resolve the brain data location with `brain brain-dir` (brainRoot-aware), scaffold the brain/ skeleton there only if it is empty (never a second local ./brain when redirected), idempotently wire CLAUDE.md / AGENTS.md, and optionally install a pre-commit hook.
Seed a freshly-scaffolded brain with real project knowledge — on an existing (brownfield) project read the code, docs, and git log to draft the six root pages and capture key historical decisions; on a near-empty (greenfield) project interview the user. Every write goes through the `brain` CLI. Run it after brain-setup.
The process for digesting a conversation, document, or research result, classifying it, and writing it down as brain content (a root-page update or a new/updated page) through the `brain` CLI.