10 Factor Html
A Claude skill from Just-Agent/just-product-factor.
Install
$ agentstack add skill-just-agent-just-product-factor-10-factor-html ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-just-agent-just-product-factor-10-factor-html) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
10-factor-html Skill
Name
10-factor-html
Purpose
Audit and improve HTML pages for semantic quality, responsiveness, accessibility, SEO, performance, visual polish, and deployability.
When to use
- Landing pages
- Static HTML pages
- README preview pages
- Generated Agent UI
- Documentation pages
When not to use
- Backend-only services
- Unrendered design specs
- Native mobile UI
Inputs
Ask for or inspect:
- README and docs
- source files
- examples and recipes
- configuration files
- tests and validation scripts
- CI/CD workflow files
- logs, changelog, release notes, or version history
Workflow
- Identify the project goal and user-facing promise.
- Inspect available files.
- Apply
checklist.md. - Score with
scoring-rubric.md. - Produce an audit report using
audit-report-template.md. - Produce a refactor plan using
refactor-plan-template.md. - Prioritize changes by product value and release readiness.
- Validate changes if the environment allows.
Review dimensions
- Semantic structure
- Responsive layout
- Accessibility
- SEO metadata
- Performance
- Content clarity
- Visual hierarchy
- Asset handling
- Deployability
- Maintainability
Refactor priorities
- Fix semantic HTML
- Make it responsive
- Improve accessibility
- Add SEO metadata
- Polish visuals and performance
Output format
Return:
- Summary
- Scorecard
- Critical findings
- Recommended changes
- Refactor plan
- Validation plan
- Next iteration suggestions
Example calls
See usage-examples.md.
Version
v0.5.0
Agent manifest
This Skill includes a machine-readable skill.json manifest so an Agent can quickly identify triggers, expected inputs, expected outputs, required files, and the review protocol before reading the full markdown pack.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: Just-Agent
- Source: Just-Agent/just-product-factor
- License: MIT
Install and usage instructions live in the source repository linked above.
Reviews
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Versions
- v0.1.0 Imported from the upstream source.