Agent skill

Brain Taxonomist

by inbrainfun in inbrainfun/inbrain

Filing gate for ALL brain writes. An agent skill from inbrainfun/inbrain.

Custom licenceAuto-check passedDevOps & Cloud

Install Brain Taxonomist

skills CLI
$ npx skills add inbrainfun/inbrain --skill brain-taxonomist -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install inbrainfun/inbrain brain-taxonomist --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/inbrainfun/inbrain.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/brain-taxonomist .claude/skills/brain-taxonomist && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
brain-taxonomist
GitHub stars
142
Token cost
~2.1k tokens
SKILL.md length
946 words
Files
2
Skills in repo
52
Repo updated
First seen
Licence
Custom licence

At a glance

Filing gate for ALL brain writes. An agent skill from inbrainfun/inbrain.

  • Works in 5 steps: Identify primary subject type → Look up the directory for that type in… → For books — determine sub-category → …
  • Tasks that involve GitOps
  • SKILL.md covers Purpose, Contract, Critical: this skill reads the… and When to Consult (MANDATORY), plus 7 more sections
  • Calls jq

What it does

Brain Taxonomist is an agent skill from inbrainfun/inbrain. Filing gate for ALL brain writes. Consulted before creating any new brain page to determine the correct path. Reads the ACTIVE schema pack via inbrain schema show --json — no hardcoded directory table. Also runs periodic taxonomy drift detection via inbrain schema review-orphans.

Its SKILL.md is about 2.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file.

It sits in DevOps & Cloud, covering GitOps.

When your agent uses it

  • Tasks that involve GitOps

Example prompts

  • “/brain-taxonomist”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Identify primary subject type
  2. Look up the directory for that type in the active pack
  3. For books — determine sub-category
  4. Construct the slug
  5. Validate before writing

What it can do on your machine

Read from SKILL.md and the folder at commit 5231990. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • jq

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Brain Taxonomist loads about 2.1k tokens when it runs. Until then it costs about 75 tokens; SKILL.md has 946 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~75
When it runs · the whole SKILL.md, loaded when a task matches
~2.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 946 words (~2,067 tokens).

“Gate function: Before creating ANY new brain page, consult this skill to determine the correct filing path. This prevents misfiling at write time rather than cleaning up drift after the fact.”

— opening of SKILL.md by inbrainfun, Custom licence
name
brain-taxonomist
version
1.0.0
prompt_version
1
triggers
where does this brain page go, file this in the brain, brain taxonomist, taxonomy check, refile brain page, create brain page, which directory does this go…
mutating
false

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file in skills/brain-taxonomist of inbrainfun/inbrain.

  • SKILL.md
  • routing-eval.jsonl

Open the folder on GitHubat commit 5231990

Compare with similar skills

Brain Taxonomist next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Brain Taxonomist compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Brain Taxonomist this skillinbrainfun/inbrain142—~2.1kAutomated safety check: PassCustom licence
Kubernetes SpecialistJeffallan/claude-skills12k1 repos~2.1kAutomated safety check: PassMIT
Kubernetes ArchitectCybereason-Public/owLSM2809 repos~2.6kAutomated safety check: PassGPL-2.0
Docs Corpus Auditmicrosoft/apm4k—~2.6kAutomated safety check: PassMIT
Devopsnicepkg/auto-company1952 repos~814Automated safety check: PassMIT
Gitops Repo Auditfluxcd/agent-skills231—~3.8kAutomated safety check: PassApache-2.0

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More from inbrainfun/inbrain

All 52 skills in this repo
  • Academic Verify

    inbrainfun/inbrain

    Verify a research claim or academic citation by tracing it through publication → methodology → raw data → independent replication.

    142 GitHub starsUsed in 1 repo~2.3k tokens
    Auto-check passed
  • Cold Start

    inbrainfun/inbrain

    Day-one data bootstrapping for a new brain. An agent skill from inbrainfun/inbrain.

    142 GitHub starsUsed in 1 repo~4.7k tokens
    Auto-check passed
  • Enrich

    inbrainfun/inbrain

    Enrich brain pages with tiered enrichment protocol. An agent skill from inbrainfun/inbrain.

    142 GitHub starsUsed in 1 repo~2.8k tokens
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  • Idea Lineage

    inbrainfun/inbrain

    Trace one idea's evolution through the brain: first mention, best articulation, related concepts, reversals, contradictions, abandoned branches, and the current live version.

    142 GitHub starsUsed in 1 repo~2.2k tokens
    Auto-check passed
  • Maintain

    inbrainfun/inbrain

    Brain health checks: back-link enforcement, citation audit, filing validation, stale info detection, orphan pages, and benchmarks.

    142 GitHub starsUsed in 1 repo~4.4k tokens
    Auto-check passed
  • Schema Author

    inbrainfun/inbrain

    Evolve your brain's schema pack. An agent skill from inbrainfun/inbrain.

    142 GitHub starsUsed in 1 repo~3.3k tokens
    Auto-check passed

Categories

Questions about Brain Taxonomist

What does Brain Taxonomist do?

Filing gate for ALL brain writes. An agent skill from inbrainfun/inbrain. Brain Taxonomist is an agent skill from inbrainfun/inbrain. Filing gate for ALL brain writes.

When should I use Brain Taxonomist?

Brain Taxonomist fits situations like: tasks that involve GitOps.

How do I install Brain Taxonomist in Claude Code?

Run `npx skills add inbrainfun/inbrain --skill brain-taxonomist -a claude-code`. Or copy the skill folder (skills/brain-taxonomist in inbrainfun/inbrain) into .claude/skills/brain-taxonomist in your project. Claude Code loads it when a task matches its description.

How do I install Brain Taxonomist in Codex?

Run `npx skills add inbrainfun/inbrain --skill brain-taxonomist -a codex`. Or copy the skill folder (skills/brain-taxonomist in inbrainfun/inbrain) into .agents/skills/brain-taxonomist in your project. Codex loads it when a task matches its description.

Can I use Brain Taxonomist in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add inbrainfun/inbrain --skill brain-taxonomist -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/brain-taxonomist, .gemini/skills/brain-taxonomist, .github/skills/brain-taxonomist and .opencode/skills/brain-taxonomist in your project.

What does Brain Taxonomist need to run?

Going by SKILL.md and its folder, Brain Taxonomist needs the command-line tools its instructions call (jq).

Does Brain Taxonomist access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Brain Taxonomist safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Brain Taxonomist use?

Brain Taxonomist has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Brain Taxonomist use?

About 2.1k tokens (SKILL.md is roughly 8.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Brain Taxonomist?

Skills that share tags, products or a category with Brain Taxonomist: Kubernetes Specialist (Jeffallan/claude-skills, 12k stars), Kubernetes Architect (Cybereason-Public/owLSM, 280 stars), Docs Corpus Audit (microsoft/apm, 4k stars) and Devops (nicepkg/auto-company, 195 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Brain Taxonomist?

inbrainfun (a GitHub user) maintains it in inbrainfun/inbrain, which has 142 GitHub stars. The repository holds 52 skills in this directory. The repository was last updated on July 17, 2026.

Source: inbrainfun/inbrain on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.