Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add coleschaffer/copywritingskills-rmbc --skill checkout-abandonmentgit clone --depth 1 https://github.com/coleschaffer/copywritingskills-rmbcWrote 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/coleschaffer/copywritingskills-rmbc/checkout-abandonment)<a href="https://agentmods.dev/skills/coleschaffer/copywritingskills-rmbc/checkout-abandonment"><img src="https://agentmods.dev/badge/skills/coleschaffer/copywritingskills-rmbc/checkout-abandonment/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/coleschaffer/copywritingskills-rmbc/checkout-abandonment"><img src="https://agentmods.dev/badge/skills/coleschaffer/copywritingskills-rmbc/checkout-abandonment.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00042 | $0.02127 |
| Opus 5 | $0.00021 | $0.01064 |
| Sonnet 5 | $0.00008 | $0.00425 |
| Haiku 4.5 | $0.00004 | $0.00213 |
Grade A, and why
checkout-abandonment 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 11d 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 — 202 lines — stays where its author put it; the contents beside it link to each section on GitHub.
checkout-abandonment
Purpose
Diagnose and fix checkout abandonment. The average DTC checkout abandonment rate is 70% — meaning 7 out of 10 people who start buying leave without paying. Every percentage point recovered is pure profit because you've already paid to acquire that traffic. This skill audits an existing checkout flow for friction points across five categories (form complexity, trust signals, shipping/pricing surprises, payment options, mobile UX), scores abandonment risk, ranks the top 5 friction points by estimated revenue impact, and outputs specific copy and UX fixes for each.
Inputs
| Input | Required | Description |
|---|---|---|
checkout_description |
Yes | Detailed description of the checkout flow — number of steps, fields, page layout, what the buyer sees |
current_abandonment_rate |
No | Current checkout abandonment rate (if known — enables benchmarking) |
product_type |
Yes | Product category: supplement, physical_product, digital_product, subscription, service, course |
price_point |
Yes | Price, payment plan options, and any discount framing currently shown |
target_audience |
Yes | Who the buyer is — demographics, tech comfort, purchase sophistication |
Execution Protocol
Step 1 — Load Framework Context
Read rmbc-context/SKILL.md to load RMBC framework definitions. Checkout abandonment is a Copy problem as much as a UX problem — Research reveals which objections kill conversions at the payment step, Mechanism reinforcement reminds them why they decided to buy, Brief structures the page to resolve doubt before asking for payment, Copy executes every micro-element to reduce friction.
Step 2 — Audit the Five Friction Categories
Category 1: Form Complexity (Weight: 25%)
- Total number of form fields (benchmark: 7 or fewer for single-page checkout)
- Optional vs required fields (are optional fields cluttering the form?)
- Field types (free text vs dropdowns vs auto-complete)
- Multi-step vs single-page (multi-step with progress bar can reduce perceived complexity)
- Auto-fill and auto-detection (country, state, card type)
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.
- 11d ago First seen · 202 lines · 42 tokens per session scan A 78cf76ac4b19
checkout-abandonment is a skill published in the GitHub repository coleschaffer/copywritingskills-rmbc (30 stars, last pushed 5mo ago), licensed MIT. It adds 42 tokens to every session and 2,127 once invoked, about $0.0002 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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