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Brain Taxonomist

Decides the correct folder path for new pages in a gbrain knowledge base, based on its active schema.

Source Download skill
Repository
garrytan/gbrain
Stars
31,447
Licence
MIT
Files
1 file

What it does

This skill acts as a filing check for a personal or team knowledge base called a gbrain. Before the agent creates a new page, it consults the brain's active schema (a set of rules describing page types and folders) by running the gbrain command-line tool, then recommends where the page should go. It also periodically looks for pages that have drifted into the wrong or undeclared types.

Great for

  • Users who already run gbrain and want new pages filed consistently
  • Multi-brain users who keep different schema packs per source
  • Maintainers auditing a brain's schema for undeclared or orphaned page types

Skip it if

  • People who do not use gbrain: the skill depends entirely on its command-line tool and schema, so it does nothing useful elsewhere
  • Hand-editing or deleting pages without review, because the skill is advisory and only recommends paths; the agent still writes files, so unchecked use could misfile content

Try asking

  • “Where does this brain page go? It's a note about my meeting with Acme's CTO.”
  • “File this in the brain: a summary of the book Thinking, Fast and Slow.”
  • “Run a taxonomy check on my brain and list pages with undeclared types.”
Step-by-step guide: how to use Brain TaxonomistInstall, first run, examples, tips and FAQs

Install in 3 steps

  1. 1

    Download the skill

    The ZIP contains the 1 original files, the MIT licence and an attribution note.

    brain-taxonomist.zip
  2. 2

    Add it to your agent

    Claude Code (all projects)

    mkdir -p ~/.claude/skills && unzip brain-taxonomist.zip -d ~/.claude/skills/

    Claude Code / Agent SDK (this project only)

    mkdir -p .claude/skills && unzip brain-taxonomist.zip -d .claude/skills/

    Claude apps (web/desktop): Settings → Capabilities → Skills → Upload skill, and choose the ZIP.

  3. 3

    Ask for the task

    No special command needed — the agent reads the skill's description and loads it when your request matches. Try one of the prompts above.

Get better results

  • Run gbrain schema show --json first to confirm which pack is active before filing.
  • For ambiguous subjects, expect two candidate paths to be offered rather than an automatic choice.
  • Use the drift check periodically, and declare new types in the pack rather than forcing pages into the closest match.

What's inside

  • SKILL.md

Redistributed unmodified from garrytan/gbrain under the MIT licence. The assessment was drafted with AI from the skill's files on 2026-10-29. Skills can instruct your agent to run code — read SKILL.md and any scripts before installing.