BB HTML
Writes, reviews, and fixes HTML markup: semantic structure, forms, accessibility, the document head, media and embeds. Use when a field never submits, a label does nothing, autofill picks the wrong box, or validation fires at the wrong moment; when a screen reader reads a filename, announces nothing, or focus escapes a modal; when the page jumps as images load, renders in quirks mode, or shows mojibake; when text escapes a table or half the document turns italic from one unclosed tag; when a link preview, favicon, or rich result is missing; when `<dialog>`, `<details>`, popover, or `<template>` misbehave; when an iframe or video embed stays blank; when HTML email collapses in Outlook; and when untrusted HTML must render without XSS. Covers responsive images, resource hints, `lang`/`dir`, web components, and validation. Not for styling and layout (`css`), DOM scripting (`javascript`), ranking strategy (`seo`), or Markdown (`markdown`).
Writes, reviews, and fixes HTML markup: semantic structure, forms, accessibility, the document head, media and embeds.
As a process B 72/100 · Nearly there — weak spots: inputs and preconditions, running it twice
How to improve
- The SKILL.md body is over 5,000 tokens: move reference detail into references/ and load it when needed.
- Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
- A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.
Guard findings · 0
✓ No critical or high findings
Files scanned: 18. Evidence is masked. Grey chips explain why severity was lowered.
Against the Agent Skills spec
- warning
name-formatname should be kebab-case (lowercase letters, digits, hyphens) - warning
body-longSKILL.md body ≈ 7561 tokens (recommended < 5000); move details to references/ - note
frontmatter-keyunknown frontmatter key "slug" - note
frontmatter-keyunknown frontmatter key "homepage" - note
frontmatter-keyunknown frontmatter key "changelog"
Process rating: all ten parameters 72/100
- 0Inputs and preconditions. Does not say what the process needs to start
- 30Running it twice. 7 mutating operations with no state check
- 60Tools and files. Uses tools (read) that frontmatter does not declare
- 60Result and completion. Output format stated, no completion criterion
- 70Execution cost. Instruction body is 7561 tokens
- 100Steps. 45 steps
- 100When it triggers. States when to use and when not to
- 100Failures and branches. 1 branches, has a failure section
- 100Consistency. Name and required fields are in place
- 100Progress reporting. Reports progress
- medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing
- low 13 top-level sections: this looks like several domains in one skill
- low The response is described with custom markup (33 tags): a typed call is more reliable
Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.
Quality signals
- +5Description has no quoted example phrases that should trigger the skill
- +3Description length 948: 120–800 characters recommended
- +4No input/output examples
- +1No license
- +2Single-language instructions
- +4Description says when NOT to use the skill
- +4Structure: 13 headings
- +3Step-by-step instructions: 45 items
- +3Output format is stated explicitly
Quality base 70; lint remarks subtract, signals add up to 100. Result: 66.