What is app-store-preflight?

A set of checks for preparing an iOS app for Apple App Store review.

Auditing an app before submission, investigating Apple rejections, and producing a ship-or-no-ship report with fixes in priority order.

It combines Apple’s validation commands with local checks to find problems in metadata, subscriptions, privacy files, entitlements, screenshots, and related release details.

app-store-preflight — Skill for Claude Code and Codex by moasq: A set of checks for preparing an iOS app…

Install

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.

agentmods

npx agentmods add skills/moasq/ios-dev-agent/app-store-preflight

Any agent

npx skills add moasq/ios-dev-agent --skill app-store-preflight

Clone the repo

git clone --depth 1 https://github.com/moasq/ios-dev-agent

Made for: Claude Code, Codex.

Wrote 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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/moasq/ios-dev-agent/app-store-preflight.svg)](https://agentmods.dev/skills/moasq/ios-dev-agent/app-store-preflight)

Your own site

<a href="https://agentmods.dev/skills/moasq/ios-dev-agent/app-store-preflight"><img src="https://agentmods.dev/badge/skills/moasq/ios-dev-agent/app-store-preflight.svg" alt="Measured on agentmods" height="20"></a>

Per session 65 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,232 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

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	$0.00065	$0.01232
Opus 5	$0.00032	$0.00616
Sonnet 5	$0.00013	$0.00246
Haiku 4.5	$0.00006	$0.00123

Measured 4d ago against content hash 5e1b5aaf9dbc, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

app-store-preflight 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 4d 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.

.agents/skills/app-store-preflight/SKILL.md · 141 lines

How it starts

The opening of the file, as written. The whole thing — 141 lines — stays where its author put it; the contents beside it link to each section on GitHub.

App Store Preflight

Run a two-layer preflight:

Canonical ASC validation with asc validate.
Local rejection-risk audit using metadata, entitlements, privacy files, screenshots, subscription copy, and rule references.

This skill produces a ship/no-ship report with an ordered remediation plan.

Inputs

Resolve these from .agents/config/product.md, .asc/, metadata/, the Xcode project, or live asc reads before asking the user:

App ID
Bundle ID
Platform: usually IOS
Primary locale: en-US
Version: read from metadata/version.yaml, project.yml, or the user’s release target
Build ID: resolve with asc builds list --app <APP_ID> --output json if needed

Step 1: Tool Health

asc --version
asc doctor
asc auth status

Expected CLI: asc 1.4.0 or newer. If auth is broken, stop and route to asc-cli-usage or apple-developer-auth.

Step 2: Canonical ASC Validation

Run the canonical readiness checks first:

ASC_TIMEOUT=90s asc validate --app "<APP_ID>" --version "<VERSION>" --platform IOS --output markdown
asc validate subscriptions --app "<APP_ID>" --output markdown
asc validate iap --app "<APP_ID>" --output markdown

If a TestFlight build is part of the release:

asc validate testflight --app "<APP_ID>" --build "<BUILD_ID>" --output markdown

For CI/gating checks, rerun with --strict --output json --pretty and preserve the JSON findings.

Use ASC_TIMEOUT=90s for full app validation because screenshot-set fetches can exceed the default timeout. asc validate checks metadata length limits, required fields/localizations, review details, primary category, attached/processed build, encryption declaration, content rights, pricing/territory availability, screenshot presence and dimensions, subscription review readiness, promotional image guidance, and age rating completeness.

Step 3: Local App Store Rule Audit

Load applicable checklists from references/guidelines/by-app-type/:

Read the full file on GitHub · 141 lines

Files

What ships with it

24 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.

Changes

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.

4d ago First seen · 141 lines · 65 tokens per session scan A 5e1b5aaf9dbc

Subscribe to this mod's changes

app-store-preflight is a skill published in the GitHub repository moasq/ios-dev-agent (4 stars, last pushed 3mo ago), licensed MIT. It adds 65 tokens to every session and 1,232 once invoked, about $0.0003 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 2026-08-31.

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