Borrowing it
Nothing to install: this file belongs to mrhinkle/VibeCoding-a-Website. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/mrhinkle/VibeCoding-a-Website/main/.claude/skills/audit-existing-site/SKILL.mdgit clone --depth 1 https://github.com/mrhinkle/VibeCoding-a-WebsiteWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/mrhinkle/vibecoding-a-website/audit-existing-site)<a href="https://agentmods.dev/skills/mrhinkle/vibecoding-a-website/audit-existing-site"><img src="https://agentmods.dev/badge/skills/mrhinkle/vibecoding-a-website/audit-existing-site.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00091 | $0.01624 |
| Opus 5 | $0.00046 | $0.00812 |
| Sonnet 5 | $0.00018 | $0.00325 |
| Haiku 4.5 | $0.00009 | $0.00162 |
Grade A, and why
audit-existing-site scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Audit Existing Site
You already have a website—WordPress, Squarespace, Wix, custom build, doesn't matter. Before you think about rebuilding, let's see what you've actually got.
This skill analyzes your live website without requiring any repo access, GitHub connection, or code handoff. We fetch your site and run a comprehensive 4-part audit: SEO & AEO, Copy & Content, UX, and Security. You get a health score, quick wins, and a roadmap for improvement.
Think of this as a gateway skill. See the value? Then explore how VibeCoding could rebuild or enhance your site from the ground up.
What You Need
- A live URL (your existing website, already published on the internet)
- That's it. No repo access, no GitHub, no code to share.
The Audit Pipeline
We run 4 specialized audits in sequence, each targeting a different dimension of site health:
1. SEO & AEO Audit
Searches for technical and structural SEO signals:
- Meta tags & title tags: Are they present, unique, and keyword-rich?
- Open Graph / social sharing tags: Will your site look good when shared?
- Heading hierarchy: H1 → H2 → H3 structure (no orphans, no skips)
- Schema markup & JSON-LD: Rich snippets for Google
- Mobile-friendliness signals: Viewport tags, responsive patterns
- Page speed indicators: Core Web Vitals, load time estimates
- Alt text on images: Every image described for accessibility and SEO
- URL structure: Readable slugs, no parameters, proper trailing slashes
2. Copy & Content Audit
Reviews your actual words and messaging:
- Headline effectiveness: Do they hook? Is the benefit clear?
- CTA strength and placement: Are calls-to-action specific, urgent, and visible?
- Readability score: Target is 6th–8th grade level. Shorter sentences win.
- Value proposition clarity: Could a stranger understand your value in 5 seconds?
- Microcopy review: Button labels, form fields, error messages, help text
- Tone consistency: Is your voice uniform across pages?
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 7d ago First seen · 145 lines · 91 tokens per session scan A 5e3a9e49db6c
audit-existing-site is a skill published in the GitHub repository mrhinkle/VibeCoding-a-Website (11 stars, last pushed 4mo ago), licensed MIT. It adds 91 tokens to every session and 1,624 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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