asc

A command-line workflow for managing Apple App Store Connect, Apple’s service for publishing apps and handling beta testing. It covers builds, TestFlight testers, app metadata, submissions, pricing, and release information.

In plain words
What is it for?
Use it to upload and manage TestFlight builds, testers, app versions, screenshots, keywords, release notes, submissions, signing, crashes, and beta feedback.
Why use it?
It provides one terminal-based process for common App Store tasks and includes checks for authentication and the identifiers Apple’s API requires.

Skill for Claude CodeCodex

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/termio-sh/termio/asc
Any agent
npx skills add termio-sh/termio --skill asc
Clone the repo
git clone --depth 1 https://github.com/termio-sh/termio

Made for: Claude Code, Codex.

Per session 108 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,070 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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.

ModelPer sessionOnce invoked
Fable 5 $0.00108 $0.01070
Opus 5 $0.00054 $0.00535
Sonnet 5 $0.00022 $0.00214
Haiku 4.5 $0.00011 $0.00107

Measured 3d ago against content hash d9e2fe7bfd9a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

asc scanned grade A with 1 finding 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

should touch App Store Connect here — do not hand-roll JWTs or curl the API.
skills/asc/SKILL.md · 76 lines

How it starts

The opening of the file, as written. The whole thing — 76 lines — stays where its author put it; the contents beside it link to each section on GitHub.

asc — App Store Connect from the CLI

asc is installed via Homebrew (brew install asc). It is the only tool that should touch App Store Connect here — do not hand-roll JWTs or curl the API.

This skill is a router. Read the one reference that matches the task, not the whole set. Each reference is a self-contained playbook with the exact commands.

Before anything

Every command needs credentials. Check first:

asc auth status      # active profile
asc doctor           # diagnose a broken or missing setup

If nothing is stored, register a key (Key ID + Issuer ID + .p8 from https://appstoreconnect.apple.com/access/integrations/api):

asc auth login --name <label> --key-id <KEY_ID> --issuer-id <UUID> \
  --private-key <path/to/AuthKey_XXXX.p8> --network

Most commands need an app or build ID rather than a name — see references/asc-id-resolver.md.

Routing table

Task Read
Flags, output formats, pagination, discovery — how to shape any asc command references/asc-cli-usage.md
Turn an app / build / version / group / tester name into an ID references/asc-id-resolver.md
TestFlight groups, testers, distribution, What to Test notes references/asc-testflight-orchestration.md
Build processing status, finding the latest build, retention cleanup references/asc-build-lifecycle.md
TestFlight crashes, beta feedback, hangs, launch diagnostics references/asc-crash-triage.md
Build, archive, export, bump version/build numbers, upload an IPA/PKG references/asc-xcode-build.md
Stage a version, publish, submit for review references/asc-release-flow.md
Validation failures, stuck submissions, cancel and retry decisions references/asc-submission-health.md
Pull, edit, validate and apply App Store metadata and keywords references/asc-metadata-sync.md
Write release notes (What's New) from git log or bullets references/asc-whats-new-writer.md
Translate metadata into more locales references/asc-localize-metadata.md
Offline ASO / keyword audit of pulled metadata references/asc-aso-audit.md
Capture, frame and upload screenshots (simulator pipeline) references/asc-shots-pipeline.md
Fix screenshot dimensions, alpha channels, validation errors references/asc-screenshot-resize.md
Bundle IDs, capabilities, certificates, provisioning profiles references/asc-signing-setup.md
Developer ID signing + notarization for distribution outside the App Store references/asc-notarization.md
Territory-specific / PPP pricing references/asc-ppp-pricing.md
Subscription and IAP display names across locales references/asc-subscription-localization.md
Reconcile the ASC catalog with RevenueCat references/asc-revenuecat-catalog-sync.md
Apple Ads campaigns, ad groups, keywords, reports references/asc-apple-ads.md
Repo-local multi-step automations (.asc/workflow.json) references/asc-workflow.md
Create a new app record (browser automation — no public API) references/asc-app-create-ui.md
Submit an entry to the asc Wall of Apps references/asc-wall-submit.md

Read the full file on GitHub · 76 lines

Files

What ships with it

31 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.

  1. 3d ago First seen · 76 lines · 108 tokens per session scan A d9e2fe7bfd9a

Subscribe to this mod's changes

asc is a skill published in the GitHub repository termio-sh/termio (359 stars, last pushed 3d ago), licensed MIT. It adds 108 tokens to every session and 1,070 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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