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 cruisediary/apple-app-review-skills --skill iap-compliancegit clone --depth 1 https://github.com/cruisediary/apple-app-review-skillsWrote 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/cruisediary/apple-app-review-skills/iap-compliance)<a href="https://agentmods.dev/skills/cruisediary/apple-app-review-skills/iap-compliance"><img src="https://agentmods.dev/badge/skills/cruisediary/apple-app-review-skills/iap-compliance/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/cruisediary/apple-app-review-skills/iap-compliance"><img src="https://agentmods.dev/badge/skills/cruisediary/apple-app-review-skills/iap-compliance.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 | $0.00046 | $0.02288 |
| Opus 5 | $0.00023 | $0.01144 |
| Sonnet 5 | $0.00009 | $0.00458 |
| Haiku 4.5 | $0.00005 | $0.00229 |
Grade A, and why
iap-compliance 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 — 148 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Skill: IAP Compliance
Purpose
Detects external payment processors and WebView payment flows used for digital goods, and verifies StoreKit integration with restore functionality, enforcing Guideline 3.1.1's requirement to use Apple IAP for all digital content purchases.
Apple Guideline
- Primary: 3.1.1 — Business: Payments — In-App Purchase
- Related: 3.1.3
- Reference:
references/guidelines/3-business.md
Real-World Rejection Cases
-
Case: App used Stripe for in-app digital subscription purchase — rejected under 3.1.1 Source: purchasely.com/blog/app-store-in-app-purchase-reject Root cause: All digital content/feature unlocks must use Apple IAP; external payment systems are prohibited — Apple's review team specifically looks for Stripe, PayPal, and other payment SDK integrations
-
Case: App opened WebView with payment page for premium feature unlock — rejected Source: Apple Developer Forums Root cause: Routing digital goods purchase through WebView to bypass IAP is explicitly prohibited — reviewers inspect WebView destinations for payment/checkout flows
-
Case: App accepted a promo code entered inside the app to unlock premium features without going through StoreKit — rejected under 3.1.1 Source: Purchasely (purchasely.com/blog/app-store-rejection-reasons) Root cause: In-app promo codes for digital content must use Apple's official promotional offer mechanism via StoreKit, not a custom code-entry field that bypasses IAP entirely
-
Case: IAP product labeled "Donate" used to unlock a premium feature — Apple rejected as the product misrepresented the transaction Source: Purchasely (purchasely.com/blog/app-store-rejection-reasons) Root cause: IAP products must accurately describe what is purchased; labeling a feature unlock as a "donation" misrepresents the transaction and violates 3.1.1 — use descriptive product names that reflect the actual digital good or subscription
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 · 148 lines · 46 tokens per session scan A c07cc940ea9f
iap-compliance is a skill published in the GitHub repository cruisediary/apple-app-review-skills (16 stars, last pushed 4mo ago), licensed MIT. It adds 46 tokens to every session and 2,288 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 2026-09-05.
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