Agent skill

Taxonomy Builder

by WILLOSCAR in WILLOSCAR/research-units-pipeline-skills

Build a 2+ level taxonomy (outline/taxonomy.yml) from a core paper set and scope constraints, with short descriptions per node.

No licenceAuto-check passed

Install Taxonomy Builder

skills CLI
$ npx skills add WILLOSCAR/research-units-pipeline-skills --skill taxonomy-builder -a claude-code

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

GitHub CLI
$ gh skill install WILLOSCAR/research-units-pipeline-skills taxonomy-builder --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/WILLOSCAR/research-units-pipeline-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.codex/skills/taxonomy-builder .claude/skills/taxonomy-builder && 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
taxonomy-builder
GitHub stars
513
Token cost
~1k tokens
SKILL.md length
404 words
Files
15 (incl. scripts, references, assets)
Skills in repo
107
Repo updated
First seen
Licence
None found

At a glance

Build a 2+ level taxonomy (outline/taxonomy.yml) from a core paper set and scope constraints, with short descriptions per node.

  • Works in 5 steps: references/overview.md → references/taxonomy_principles.md → If a domain pack applies, read its… → …
  • SKILL.md covers Triggers & routing, Load Order, Explicit refinement marker and Inputs, plus 8 more sections
  • Runs Python scripts from its folder; calls uv

What it does

Taxonomy Builder is an agent skill from WILLOSCAR/research-units-pipeline-skills. Build a 2+ level taxonomy (outline/taxonomy.yml) from a core paper set and scope constraints, with short descriptions per node.

Its SKILL.md is about 1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 18 other files, including scripts, reference files and assets (for example `assets/domain_packs/embodied_ai.yaml`, `assets/domain_packs/gen_image.yaml` and `assets/domain_packs/llm_agents.yaml`).

The repository describes itself as: Research pipelines as semantic execution units: each skill declares inputs/outputs, acceptance criteria, and guardrails. Evidence-first methodology prevents hollow writing…

Example prompts

  • “/taxonomy-builder”

Requirements

  • Python 3

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. references/overview.md
  2. references/taxonomy_principles.md
  3. If a domain pack applies, read its references/domain_pack_.md and assets/domain_packs/.yaml
  4. Otherwise read references/archetypes_generic.md
  5. Calibrate naming/description quality with references/examples_good.md and references/examples_bad.md

What it can do on your machine

Read from SKILL.md and the folder at commit c92912a. 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

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • uv

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

  • Network

    No URLs in SKILL.md. Its commands use uv, which can reach the network depending on how they are called.

    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

Taxonomy Builder loads about 1k tokens when it runs, and up to ~3.4k if it reads all its reference files. Until then it costs about 37 tokens; SKILL.md has 404 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~37
When it runs · the whole SKILL.md, loaded when a task matches
~1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.4k

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); the scripts in this folder are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 404 words (~1,007 tokens).

name
taxonomy-builder

Read the full SKILL.md on GitHub

Files

SKILL.md and 14 other files (scripts, references, assets) in .codex/skills/taxonomy-builder of WILLOSCAR/research-units-pipeline-skills.

  • SKILL.md
  • assets/domain_packs/embodied_ai.yaml
  • assets/domain_packs/gen_image.yaml
  • assets/domain_packs/llm_agents.yaml
  • assets/domain_packs/rag_evaluation.yaml
  • assets/taxonomy_schema.json
  • references/archetypes_generic.md
  • references/domain_pack_embodied_ai.md
  • references/domain_pack_gen_image.md
  • references/domain_pack_llm_agents.md
  • references/examples_bad.md
  • references/examples_good.md
  • references/overview.md
  • references/taxonomy_principles.md
  • scripts/run.py

Open the folder on GitHubat commit c92912a

Compare with similar skills

Taxonomy Builder 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.

Taxonomy Builder compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Taxonomy Builder this skillWILLOSCAR/research-units-pipeline-skills513—~1kAutomated safety check: PassNone
Outline Builderanthropics/claude-for-legal9.6k3 repos~2.3kAutomated safety check: PassApache-2.0
Intent Taxonomy Builderrevfactory/harness-1001.3k—~1.3kAutomated safety check: PassApache-2.0
Team Builderaffaan-m/ECC275k1 repos~1.8kAutomated safety check: PassMIT
Team Builderaffaan-m/ECC275k1 repos~808Automated safety check: PassMIT
Dashboard Builderaffaan-m/ECC275k—~221Automated safety check: PassMIT

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Questions about Taxonomy Builder

What does Taxonomy Builder do?

Build a 2+ level taxonomy (outline/taxonomy.yml) from a core paper set and scope constraints, with short descriptions per node. Taxonomy Builder is an agent skill from WILLOSCAR/research-units-pipeline-skills.yml) from a core paper set and scope constraints, with short descriptions per node.

How do I install Taxonomy Builder in Claude Code?

Run `npx skills add WILLOSCAR/research-units-pipeline-skills --skill taxonomy-builder -a claude-code`. Or copy the skill folder (.codex/skills/taxonomy-builder in WILLOSCAR/research-units-pipeline-skills) into .claude/skills/taxonomy-builder in your project. Claude Code loads it when a task matches its description.

How do I install Taxonomy Builder in Codex?

Run `npx skills add WILLOSCAR/research-units-pipeline-skills --skill taxonomy-builder -a codex`. Or copy the skill folder (.codex/skills/taxonomy-builder in WILLOSCAR/research-units-pipeline-skills) into .agents/skills/taxonomy-builder in your project. Codex loads it when a task matches its description.

Can I use Taxonomy Builder 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 WILLOSCAR/research-units-pipeline-skills --skill taxonomy-builder -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/taxonomy-builder, .gemini/skills/taxonomy-builder, .github/skills/taxonomy-builder and .opencode/skills/taxonomy-builder in your project.

What does Taxonomy Builder need to run?

Going by SKILL.md and its folder, Taxonomy Builder needs Python for the scripts in its folder and the command-line tools its instructions call (uv). Our summary lists: Python 3.

Does Taxonomy Builder access the network?

SKILL.md contains no URLs. Its commands use uv, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Taxonomy Builder 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Taxonomy Builder use?

No licence was found for Taxonomy Builder or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Taxonomy Builder use?

About 1k tokens (SKILL.md is roughly 4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.4k tokens, read only when the agent opens those files.

What are the alternatives to Taxonomy Builder?

Skills that share tags, products or a category with Taxonomy Builder: Outline Builder (anthropics/claude-for-legal, 9.6k stars), Intent Taxonomy Builder (revfactory/harness-100, 1.3k stars), Team Builder (affaan-m/ECC, 275k stars) and Team Builder (affaan-m/ECC, 275k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Taxonomy Builder?

WILLOSCAR (a GitHub user) maintains it in WILLOSCAR/research-units-pipeline-skills, which has 513 GitHub stars. The repository holds 107 skills in this directory. The repository was last updated on October 5, 2026.

Source: WILLOSCAR/research-units-pipeline-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.