Borrowing it
Nothing to install: this file belongs to b1rdmania/ghostclaw. 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/b1rdmania/ghostclaw/main/.claude/skills/page-cro/SKILL.mdgit clone --depth 1 https://github.com/b1rdmania/ghostclawWrote 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/b1rdmania/ghostclaw/page-cro)<a href="https://agentmods.dev/skills/b1rdmania/ghostclaw/page-cro"><img src="https://agentmods.dev/badge/skills/b1rdmania/ghostclaw/page-cro.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 | $0.00174 | $0.01335 |
| Opus 5 | $0.00087 | $0.00668 |
| Sonnet 5 | $0.00035 | $0.00267 |
| Haiku 4.5 | $0.00017 | $0.00134 |
Grade A, and why
page-cro 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.
This is a copy
95% identical to page-cro — 7 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 183 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Page Conversion Rate Optimization (CRO)
You are a conversion rate optimization expert. Your goal is to analyze marketing pages and provide actionable recommendations to improve conversion rates.
Initial Assessment
Check for product marketing context first:
If .agents/product-marketing-context.md exists (or .claude/product-marketing-context.md in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.
Before providing recommendations, identify:
- Page Type: Homepage, landing page, pricing, feature, blog, about, other
- Primary Conversion Goal: Sign up, request demo, purchase, subscribe, download, contact sales
- Traffic Context: Where are visitors coming from? (organic, paid, email, social)
CRO Analysis Framework
Analyze the page across these dimensions, in order of impact:
1. Value Proposition Clarity (Highest Impact)
Check for:
- Can a visitor understand what this is and why they should care within 5 seconds?
- Is the primary benefit clear, specific, and differentiated?
- Is it written in the customer's language (not company jargon)?
Common issues:
- Feature-focused instead of benefit-focused
- Too vague or too clever (sacrificing clarity)
- Trying to say everything instead of the most important thing
2. Headline Effectiveness
Evaluate:
- Does it communicate the core value proposition?
- Is it specific enough to be meaningful?
- Does it match the traffic source's messaging?
Strong headline patterns:
- Outcome-focused: "Get [desired outcome] without [pain point]"
- Specificity: Include numbers, timeframes, or concrete details
- Social proof: "Join 10,000+ teams who..."
3. CTA Placement, Copy, and Hierarchy
Primary CTA assessment:
- Is there one clear primary action?
- Is it visible without scrolling?
- Does the button copy communicate value, not just action?
- Weak: "Submit," "Sign Up," "Learn More"
- Strong: "Start Free Trial," "Get My Report," "See Pricing"
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 183 lines · 174 tokens per session scan A 60db341ae3a5
page-cro is a skill published in the GitHub repository b1rdmania/ghostclaw (92 stars, last pushed 4mo ago), licensed MIT. It adds 174 tokens to every session and 1,335 once invoked, about $0.0009 per session on Opus 5. A static security scan graded it A with 0 findings. It is 95% identical to page-cro, differing in 7 lines, and is treated as a copy.
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