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Validate HTML5 structure and basic syntax. BLOCKING quality gate - stops pipeline if validation fails. Ensures deterministic output quality.
Passed 20 of 22 test cases with the skill, and 9 of 22 without it.
and 11 more in the full report
12 fixed10 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
What exact string value must be stored in the validation_type key inside the generated JSON report?
| Checked | Without skill | With skill |
|---|---|---|
| Sets validation_type field to structure | Missed | Passed |
The instructions your model reads when the skill loads.
This skill is a BLOCKING quality gate that ensures generated HTML meets minimum structural requirements. It is the first deterministic validation of probabilistic AI-generated output.
The skill checks:
If validation fails, the pipeline STOPS and triggers a hook to notify the user.
This enforces the principle: Python validates, ensuring deterministic quality.
Load HTML file to validate
04_page_XX.html generated by AI skillRun validation checks
Generate validation report
Save validation report as JSON
output/chapter_XX/page_artifacts/page_YY/06_validation_structure.jsontest cases passed, vs 9 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.