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Community Ontology Contribution Agent Skill

Add a contributor ontology to catalogue/community/. Use when a community member submits an RDF/OWL file and wants it listed in the Playground catalogue under their GitHub username.

1k tokens
context cost
the whole folder, loaded on every use
1
files
instructions only
0
copies elsewhere
how many repositories repackaged it
2320
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository
npx skills add https://github.com/microsoft/Ontology-Playground --skill community-ontology-contribution

The instruction itself

15 sections, as written by the author

Community Ontology Contribution Skill

Goal

Place a contributor's ontology under the correct catalogue path and produce

a valid, compilable community entry.

Accept only submissions that are new or materially different from existing

catalogue entries and that contribute reusable community value. A good community

ontology models a domain, workflow, teaching scenario, or reusable pattern that

others can inspect, learn from, or adapt. Do not accept vanity-only entries,

placeholder ontologies, duplicates, or profiles of a person or organization with

no meaningful domain model.


CRITICAL: Directory Structure

The catalogue compiler scans exactly three levels deep:

catalogue/community/<github-username>/<slug>/

Both the <github-username> folder and the <slug> subfolder are

required. Files placed directly in catalogue/community/<github-username>/

will be silently skipped by the compiler and the ontology will never appear

in the catalogue.

✅ Correct

catalogue/community/jane-doe/supply-chain/
├── metadata.json
└── ontology.rdf        ← or ontology.owl

❌ Wrong — silently skipped

catalogue/community/jane-doe/
├── metadata.json       ← wrong depth
└── ontology.rdf        ← wrong depth

Step-by-Step Workflow

1. Determine the username and slug

  • <github-username> — the contributor's GitHub username (lowercased, as-is)
  • <slug> — short kebab-case name for this ontology (e.g. supply-chain, hr-system)

2. Create the directory

mkdir -p catalogue/community/<github-username>/<slug>/

3. Place the RDF/OWL file

Copy the file in and rename it ontology.rdf (or ontology.owl):

cp <source-file> catalogue/community/<github-username>/<slug>/ontology.rdf

4. Create metadata.json

Required fields (name, description, category) — missing any one causes a

compile error:

{
  "name": "Human-Readable Ontology Name",
  "description": "One-sentence description of the domain.",
  "category": "general",
  "icon": "🏭",
  "tags": ["tag1", "tag2"],
  "author": "<github-username>"
}

category must be one of:

retail | healthcare | finance | manufacturing | education | food | media | events | general | school | fibo

No extra fields are allowed (additionalProperties: false in the schema).

The catalogue ID is derived from the filesystem path, so do not add an

id field. The fabric_forum_user_name and author_linkedin fields are also

not in the schema — omit them unless the schema is updated first.

4a. Person names in examples or sample data

If you create, repair, or normalize sample instances, examples, docs, quests, or

RDF/OWL literals that need person names, first use the name-generator skill.

Do not invent customer, employee, patient, student, instructor, reviewer, or

other human names.

All new person names must come from the FullName column in:

data/reference/FNF-2026-06-01-01002-0268.csv

5. Validate

npm run catalogue:build

Look for:

✔ community/<slug>

If you see a compile error or the entry is absent, re-check:

  • Directory depth (username folder + slug subfolder both present?)
  • All three required fields in metadata.json (name, description, category)
  • Valid category value
  • No extra fields in metadata.json
  • Whether the submission is genuinely new and useful for the wider community

6. Full build check

npm run build

Common Mistakes (from real PRs)

| Mistake | Effect | Fix |

|---------|--------|-----|

| Files at community/<username>/ with no slug subfolder | Silently skipped — entry never appears | Add <slug>/ subfolder |

| Missing name field in metadata.json | Compile error | Add "name": "..." |

| Invalid category value | Compile error | Use one of the allowed values |

| Extra fields (id, fabric_forum_user_name, etc.) | Compile error (additionalProperties) | Remove the extra fields |

| Ontology file named something other than ontology.rdf/.owl | Inconsistent with repo convention | Rename to ontology.rdf or ontology.owl |

| Vanity-only or duplicate submission | Not accepted in review | Ask for a reusable domain model or reject |


Done Criteria

  • [ ] npm run catalogue:build outputs a successful community catalogue entry
  • [ ] npm run build passes with no TypeScript or Vite errors
  • [ ] Entry appears in public/catalogue.json with correct name, description, category
  • [ ] source field in compiled entry is "community"
  • [ ] Submission is new or materially different from existing catalogue entries
  • [ ] Submission has a clear reusable domain, workflow, or teaching value
  • [ ] Any person names introduced while preparing the contribution came from the

name-generator skill / approved CSV fixture

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How to use it

Copy the folder

Take microsoft/community-ontology-contribution from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.