Hamburger Cross Icon
HTML/CSS Guardrails - Htmlhint Clean

Htmlhint Clean

html.htmlhint-clean

Ensures HTMLHint reports no errors and fewer warnings than the configured threshold. HTMLHint catches unclosed tags, missing attributes, and accessibility issues in HTML files.

htmlhint html linting markup quality accessibility

Compatible Integrations

This guardrail works with the following integrations. Click to see how to use Htmlhint Clean with each collector.

Enable This Guardrail

Add the parent policy to your lunar-config.yml to enable this guardrail.

📄 lunar-config.yml
policies:
  - uses: github://earthly/lunar-lib/policies/html@v1.0.5
    include: [htmlhint-clean]
    # with: ...

How This Guardrail Works

This guardrail is part of the HTML/CSS Guardrails policy. It evaluates data collected by integrations and produces a pass/fail check with actionable feedback.

When enabled, this check runs automatically on every PR and in AI coding workflows, providing real-time enforcement of your engineering standards.

Learn How Lunar Works
1
Integrations Gather Data
Collectors extract metadata from code, CI pipelines, tool outputs, and scans
2
{ } Centralized as JSON
All data merged into each component's unified metadata document
3
This Guardrail Checks Current
Htmlhint Clean runs and provides pass/fail feedback

Configuration Options

These inputs can be configured in your lunar-config.yml to customize how the parent policy (and this guardrail) behaves.

Input Required Default Description
max_htmlhint_warnings Optional 0 Maximum allowed HTMLHint warnings (0 = must be clean)
max_stylelint_warnings Optional 0 Maximum allowed Stylelint warnings (0 = must be clean)
HTML/CSS Guardrails

HTML/CSS Guardrails

This guardrail is part of the HTML/CSS Guardrails policy, which includes 2 guardrails for devex build and ci.

View Policy

Ready to Automate Your Standards?

See how Lunar can turn your AGENTS.md, engineering wiki, compliance docs, or postmortem action items into automated guardrails with our 100+ built-in guardrails.

Works with any process
check AI agent rules & prompt files
check Post-mortem action items
check Security & compliance policies
check Testing & quality requirements
Automate Now
Paste your AGENTS.md or manual process doc and get guardrails in minutes
Book a Demo