skill-card-generator

por nvidia

Use apenas para gerar ou atualizar um cartão de habilidade de governança para um diretório de habilidades de agente existente e especificado. Não use para explicar, listar, comparar ou…

npx skills add https://github.com/nvidia/skills --skill skill-card-generator

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Generate Skill Card

Skill directory to analyze: $ARGUMENTS

Purpose

Create a draft NVIDIA governance skill card for an existing agent skill. The skill gathers source signals, guides the agent to build a grounded JSON context, renders a deterministic markdown card, and checks that human-review markers were removed before submission.

Use this when:

A skill directory already exists and needs a new governance card.
A changed skill needs its existing card refreshed.
A skill owner is preparing legal/safety review material.

Do NOT use for:

Explaining, listing, comparing, or discussing skills or skill capabilities.
Creating or rewriting the source skill itself.
Generating cards for non-skill assets such as models, datasets, containers, or full systems.
Signing, publishing, or approving a skill card.
Replacing required human legal, safety, or owner review.

Prerequisites

Python 3 is available.
jinja2 is installed before running render_card.py.
The target path is a skill directory containing SKILL.md or skill.md.
The agent can write a temporary context JSON file and the rendered card output.
Runtime permissions allow reads from target_skill_directory plus this skill's references/ and scripts/, writes only to the target skill directory or /tmp/, and shell execution only for the three scripts listed below.

Instructions

First, read this SKILL.md completely before running any script.
Resolve the target skill directory from $ARGUMENTS; if omitted, use the current working directory.
Stay within the declared permission scope. Do not read .env, credential files, hidden auth folders, or unrelated repo files; do not write outside the target skill directory or /tmp/.
Run scripts/discover_assets.py against the target. Use the structured signal summary first; if output is truncated, read only targeted files or small excerpts.
Build a context JSON file from the structured signal summary first, then from extracted file contents only when needed.
Populate credential_requirements with only two fields: requires_api_key_or_credential and credential_types. Ground the classification in SKILL.md prose documentation — not script inspection alone. For credential_types, use the controlled vocabulary in references/style-guide.md. Never include credential values, assignments, or raw environment variable names.
Follow references/style-guide.md for every context field. Use HUMAN-REQUIRED only when no source supports a truthful value.
Render the card with scripts/render_card.py and fix any schema errors before proceeding.
Review the card manually, remove resolved VERIFY and SELECT markers, then run scripts/validate_submission.py.
Before finishing, confirm the rendered card has no unrendered {{ ... }} or {% ... %} template fragments.

Available Scripts

Script	Purpose	Arguments
`scripts/discover_assets.py`	Extracts skill files, repo signals, style guide, and template into one discovery report.	`<skill_directory>`
`scripts/render_card.py`	Validates context JSON and renders the skill card from the Jinja template.	`--context <context.json> --template <skill-card.md.j2> --out <output.md>`
`scripts/validate_submission.py`	Fails if the rendered card still contains VERIFY or SELECT review markers.	`<rendered-card.md>`

Examples

Discover signals for a target skill:

run_script("scripts/discover_assets.py", args=["/path/to/target-skill"])

Render a card from the completed context:

run_script(
  "scripts/render_card.py",
  args=[
    "--context", "/tmp/target-skill-context.json",
    "--template", "references/skill-card.md.j2",
    "--out", "/path/to/target-skill/target-skill-card.md"
  ]
)

Validate the reviewed card before submission:

run_script("scripts/validate_submission.py", args=["/path/to/target-skill/target-skill-card.md"])

Limitations

The generated card is a draft and must be reviewed by a human owner.
Discovery is limited to local files and repo metadata visible from the target path.
The renderer validates required context shape, not the legal or safety correctness of field values.
Canned limitation and risk catalogs are starting points; remove entries that do not apply.

Troubleshooting

Error	Cause	Solution
`directory not found`	The target path is wrong or not mounted in the workspace.	Re-run discovery with the absolute path to the skill directory.
`jinja2 not installed`	The renderer dependency is missing.	Install `jinja2`, then re-run `render_card.py`.
`Context validation failed`	Required fields are missing or typed incorrectly.	Fix the context JSON using `references/style-guide.md`.
Unresolved marker failure	VERIFY or SELECT markers remain after review.	Confirm each marked field, prune catalog entries, then re-run `validate_submission.py`.

Files in this skill

SKILL.md - this file (orchestration)
references/style-guide.md - per-context-field guidance
references/skill-card.md.j2 - exact card layout
references/Skill Card Generator License.txt - license text for this skill package
references/catalog/limitations.json - canned technical-limitations catalog
references/catalog/risks.json - canned risk-management catalog
scripts/discover_assets.py - discovery and signal extraction
scripts/render_card.py - Jinja renderer with context validation
scripts/validate_submission.py - pre-submission marker validator