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asc-metadata-sync

Sync, validate, and apply App Store metadata and store assets with asc.

Skill by rorkai

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About

Sync, validate, and apply App Store metadata and store assets with asc. Use when updating localizations, keywords, App Clip or preview assets, Asset Library media and placements, or migrating legacy fastlane metadata.

Use cases: api-integration, ci-cd

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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  • codeload.github.com · found in install command

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  • ~/.claude/skills/asc-metadata-sync

What's inside

Skill name
asc-metadata-sync
Description
Sync, validate, and apply App Store metadata and store assets with asc. Use when updating localizations, keywords, App Clip or preview assets, Asset Library media and placements, or migrating legacy fastlane metadata.
License
MIT
Instructions
197 lines in SKILL.md · view on GitHub

Files (2)

  • SKILL.md
  • asset-library.md · references/

SKILL.md (first lines)

# asc metadata sync

Use this skill to keep App Store metadata in sync with App Store Connect. Prefer the canonical `asc metadata` workflow for app-info and version localization fields. Use the lower-level `asc localizations` and `asc migrate` commands only when the user specifically needs `.strings` files or legacy fastlane-format metadata.

## Current canonical workflow

### 1. Pull canonical metadata

```bash
asc metadata pull --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata"
```

If the app has multiple app-info records, resolve the app-info ID first and pass it explicitly:

```bash
asc apps info list --app "APP_ID" --output table
asc metadata pull --app "APP_ID" --app-info "APP_INFO_ID" --version "1.2.3" --platform IOS --dir "./metadata"
```

### 2. Edit local files

Canonical files are written under:

- `metadata/app-info/<locale>.json` for app-level fields: `name`, `subtitle`, `privacyPolicyUrl`, `privacyChoicesUrl`, `privacyPolicyText`
- `metadata/version/<version>/<locale>.json` for version fields: `description`, `keywords`, `marketingUrl`, `promotionalText`, `supportUrl`, `whatsNew`

Copyright is not a localization field. Manage it with:

```bash
asc versions update --version-id "VERSION_ID" --copyright "2026 Your Company"
```

### 3. Validate before upload

```bash
asc metadata validate --dir "./metadata" --output table
```

For subscription apps, include the extra Terms of Use / EULA heuristic:

```bash
asc metadata validate --dir "./metadata" --subscription-app --output table
```

### 4. Preview and apply

Run a dry run first:

```bash
asc metadata push --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata" --dry-run --output table
```

Apply after the plan looks correct:

```bash
asc metadata push --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata"
```

Use `asc metadata apply` when the user wants the apply-named command shape for the same canonical files:

```bash
asc metadata apply --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata" --dry-run
asc metadata apply --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata"
```

For a review-artifact workflow with explicit approval before mutation, use the metadata review commands introduced in `asc` 2.6.1:

```bash
asc metadata plan --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata" --review-dir ".asc/metadata/review"
asc metadata approve --review-dir ".asc/metadata/review" --all
asc metadata status --review-dir ".asc/metadata/review" --output table
asc metadata apply --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata" --review-dir ".asc/metadata/review" --confirm
```

Use `asc metadata approve --key "version:1.2.3:en-US:whatsNew"` or `--scope app-info,version` when the user wants selective approval artifacts before the guarded apply. Version-scoped keys include the App Store version string.

## App Clip and preview transfers

Metadata pull/push defaults to localization text. Select asset scopes explicitly:

```bash
asc metadata pull --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata" --include localizations,app-clip,previews
asc metadata push --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata" --include localizations,app-clip,previews --dry-run
asc metadata push --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata" --include localizations,app-clip,previews --confirm
```

Preview validation requires `ffprobe`. App Clip header replacement deletes the old
header first and also requires `--allow-deletes`; authorize that replacement explicitly.
Exports may contain HLS `.m3u8` playlists and `.preview.json` references, not original
videos. Matching remote previews can be reused; an unmatched reference needs the
original video or exclusion of `previews` from `--include`. Renaming a playlist to
`.mp4` does not make it uploadable. Direct `video-previews download` also returns
playlists; use a `.m3u8` output path for individual downloads.

For reusable library media, headers/search creative assets, or localized placements,
read [Asset Library workflows](references/asset-library.md). These are separate from
App Clip header images and ordinary metadata text.

## Keyword-only workflow

Use this when only the version-localization `keywords` field should change:

```bash
asc metadata keywords diff --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata"
asc metadata keywords apply --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata" --confirm
```

For importing keyword research:

```bash
asc metadata keywords import --dir "./metadata" --version "1.2.3" --locale "en-US" --input "./keywords.csv"
asc metadata keywords sync --app "APP_ID" --version "1.2.3" --platform IOS --dir "./metadata" --input "./keywords.csv"
```

## Quick field updates

For one-off version-localization edits, pass an explicit version selector. Use `--version-id` for deterministic updates when you already have it, or `--version` plus `--platform` when working from a version string.

```bash

From rorkai/app-store-connect-cli-skills, MIT.

More from rorkai/app-store-connect-cli-skills

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Last commit (this folder)
Oct 12, 2026 (16 days ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
Website
asccli.sh
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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asc-metadata-sync skill. Agent Mart. https://agentmart.dev/skills/rorkai-asc-metadata-sync (last updated 2026-10-24)