What is asc-xcode-build?

A build workflow for turning an iOS or macOS app's source code into an IPA or PKG file ready for App Store Connect, Apple's app-distribution service.

Use it to clean, archive, sign, and export apps for upload to Apple's store services.

It provides the required archive and export steps, including project regeneration and app signing prerequisites.

asc-xcode-build — Skill by Abdullah4AI

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/abdullah4ai/apple-developer-toolkit/asc-xcode-build

Any agent

npx skills add Abdullah4AI/apple-developer-toolkit --skill asc-xcode-build

Clone the repo

git clone --depth 1 https://github.com/Abdullah4AI/apple-developer-toolkit

Made for: Claude Code, Codex.

Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 953 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	$0.00041	$0.00953
Opus 5	$0.00020	$0.00477
Sonnet 5	$0.00008	$0.00191
Haiku 4.5	$0.00004	$0.00095

Measured 2d ago against content hash fa1e49677b80, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

asc-xcode-build 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 2d 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.

swiftship/internal/skills/data/features/asc-xcode-build/SKILL.md · 125 lines

How it starts

The opening of the file, as written. The whole thing — 125 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Xcode Build and Export

Use this skill when you need to build an app from source and prepare it for upload to App Store Connect.

Preconditions

Xcode installed and command line tools configured
Valid signing identity and provisioning profiles (or automatic signing enabled)
If a project.yml exists, run xcodegen generate before building to sync build settings

iOS Build Flow

0. Regenerate project (XcodeGen)

If project.yml exists in the project directory:

xcodegen generate

1. Clean and Archive

xcodebuild clean archive \
  -scheme "YourScheme" \
  -configuration Release \
  -archivePath /tmp/YourApp.xcarchive \
  -destination "generic/platform=iOS"

2. Export IPA

xcodebuild -exportArchive \
  -archivePath /tmp/YourApp.xcarchive \
  -exportPath /tmp/YourAppExport \
  -exportOptionsPlist ExportOptions.plist \
  -allowProvisioningUpdates

A minimal ExportOptions.plist for App Store distribution:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>method</key>
    <string>app-store-connect</string>
    <key>teamID</key>
    <string>YOUR_TEAM_ID</string>
</dict>
</plist>

3. Upload with asc

asc builds upload --app "APP_ID" --ipa "/tmp/YourAppExport/YourApp.ipa"

macOS Build Flow

1. Archive

xcodebuild archive \
  -scheme "YourMacScheme" \
  -configuration Release \
  -archivePath /tmp/YourMacApp.xcarchive \
  -destination "generic/platform=macOS"

2. Export PKG

xcodebuild -exportArchive \
  -archivePath /tmp/YourMacApp.xcarchive \
  -exportPath /tmp/YourMacAppExport \
  -exportOptionsPlist ExportOptions.plist \
  -allowProvisioningUpdates

3. Upload PKG with asc

macOS apps export as .pkg files. Upload with asc:

asc builds upload \
  --app "APP_ID" \
  --pkg "/tmp/YourMacAppExport/YourApp.pkg" \
  --version "1.0.0" \
  --build-number "123"

Read the full file on GitHub · 125 lines

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.

2d ago First seen · 125 lines · 41 tokens per session scan A fa1e49677b80

Subscribe to this mod's changes

asc-xcode-build is a skill published in the GitHub repository Abdullah4AI/apple-developer-toolkit (10 stars, last pushed 4d ago), licensed MIT. It adds 41 tokens to every session and 953 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 2026-08-31.

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asc-xcode-build