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 RevenueCat/ai-toolkit --skill revenuecat-paywall-designgit clone --depth 1 https://github.com/RevenueCat/ai-toolkitWrote 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/revenuecat/ai-toolkit/revenuecat-paywall-design)<a href="https://agentmods.dev/skills/revenuecat/ai-toolkit/revenuecat-paywall-design"><img src="https://agentmods.dev/badge/skills/revenuecat/ai-toolkit/revenuecat-paywall-design/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/revenuecat/ai-toolkit/revenuecat-paywall-design"><img src="https://agentmods.dev/badge/skills/revenuecat/ai-toolkit/revenuecat-paywall-design.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 | $0.00076 | $0.03423 |
| Opus 5.5 | $0.00030 | $0.01369 |
| Sonnet 5.5 | $0.00015 | $0.00685 |
| Haiku 4.5 | $0.00008 | $0.00342 |
Grade A, and why
revenuecat-paywall-design 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 3d 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 — 277 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Designing and editing RevenueCat Paywalls
This skill covers the dashboard paywall: creating, duplicating, editing, auditing, and
publishing. To display a configured paywall in the app with RevenueCatUI, use
revenuecat-paywall instead.
Paywall advice requires a paywall. An offering whose paywall_id is null has no RevenueCat
paywall: its purchase UI is client-side and invisible to you. Say so, and keep your advice to
what RevenueCat actually controls.
Via the rc CLI (see the revenuecat-cli skill): rc paywalls generate --prompt "...",
rc paywalls edit --prompt "...", rc paywalls rewind --session <id>, rc paywalls publish,
rc paywalls show. Prefer MCP below when you need screenshots or a structured get-paywall
read.
Media and fonts
MCP cannot upload files to the project's Media Gallery or font library: the server is
remote and cannot read the user's disk. If you have a shell, write or generate the file on
disk, then upload it with the CLI. Run the install and login checks in the revenuecat-cli
skill first. Do not drive the dashboard in a browser to upload:
- Images:
rc media-assets upload <file>(jpg/png/webp/avif/heic/heif, up to 2 MiB).rc media-assets listshows what is already in the gallery. - Fonts:
rc fonts upload <file>(ttf/otf, up to 5 MiB).rc fonts listshows uploaded fonts.
Confirm flags with rc schema media-assets upload / rc schema fonts upload.
Without a shell, the user uploads it themselves: give them the rc command to run, or have
them upload it in the RevenueCat dashboard.
create-paywall-ai / edit-paywall-ai can generate hero or background images as part of an
edit. That is not a Media Gallery upload. If the user wants a reusable project asset, upload
with rc media-assets upload.
Evaluating a paywall
When evaluating a RevenueCat Paywall, use render-paywall-screenshot to look at a static render
of above-the-fold content. The render is for you, not something to display to the user.
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.
- 3d ago Changed · +22 lines · +14 tokens per session 57291d6b42e1
- 1mo ago First seen · 255 lines · 62 tokens per session scan A 94e8cc5afb69
revenuecat-paywall-design is a skill published in the GitHub repository RevenueCat/ai-toolkit (75 stars, last pushed 3d ago), licensed MIT. It adds 76 tokens to every session and 3,423 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-09-19.
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