asc-metadata-sync — independently scanned and version-tracked by SaferSkills.
SaferSkills independently audited asc-metadata-sync (Agent Skill) and scored it 100/100 (green). The audit ran 55 deterministic rules across Security, Supply Chain, Maintenance, Transparency, and Community; it found 0 high-severity and 0 lower-severity findings. The full rule-by-rule trace and per-finding evidence are below. Free, methodology-open.
Findings & checks · 0 flagged
Every scanned point with the score it earned and what moved between them.
First recorded scan — no prior version to compare against.
The primary manifest — the file an agent reads to learn what this artifact does.
Use this skill to keep local metadata in sync with App Store Connect.
Fields: description, keywords, whatsNew, supportUrl, marketingUrl, promotionalText
# List version localizations
asc localizations list --version "VERSION_ID"
# Download
asc localizations download --version "VERSION_ID" --path "./localizations"
# Upload from .strings files
asc localizations upload --version "VERSION_ID" --path "./localizations"Fields: name, subtitle, privacyPolicyUrl, privacyChoicesUrl, privacyPolicyText
# First, find the app info ID
asc apps info list --app "APP_ID"
# List app info localizations
asc localizations list --app "APP_ID" --type app-info --app-info "APP_INFO_ID"
# Upload app info localizations
asc localizations upload --app "APP_ID" --type app-info --app-info "APP_INFO_ID" --path "./app-info-localizations"Note: If you get "multiple app infos found", you must specify --app-info with the correct ID.
asc migrate export --app "APP_ID" --version-id "VERSION_ID" --output-dir "./fastlane"asc migrate validate --fastlane-dir "./fastlane"This checks character limits and required fields.
asc migrate import --app "APP_ID" --version-id "VERSION_ID" --fastlane-dir "./fastlane" --dry-run
asc migrate import --app "APP_ID" --version-id "VERSION_ID" --fastlane-dir "./fastlane"# What's New
asc apps info edit --app "APP_ID" --locale "en-US" --whats-new "Bug fixes and improvements"
# Description
asc apps info edit --app "APP_ID" --locale "en-US" --description "Your app description here"
# Keywords
asc apps info edit --app "APP_ID" --locale "en-US" --keywords "keyword1,keyword2,keyword3"
# Support URL
asc apps info edit --app "APP_ID" --locale "en-US" --support-url "https://support.example.com"# Copyright
asc versions update --version-id "VERSION_ID" --copyright "2026 Your Company"
# Release type
asc versions update --version-id "VERSION_ID" --release-type AFTER_APPROVALasc build-localizations create --build "BUILD_ID" --locale "en-US" --whats-new "TestFlight notes here"For bulk updates, use .strings files:
// en-US.strings
"description" = "Your app description";
"keywords" = "keyword1,keyword2,keyword3";
"whatsNew" = "What's new in this version";
"supportUrl" = "https://support.example.com";For app-info type:
// en-US.strings (app-info type)
"privacyPolicyUrl" = "https://example.com/privacy";
"name" = "Your App Name";
"subtitle" = "Your subtitle";asc localizations download --version "VERSION_ID" --path "./localizations"asc localizations upload --version "VERSION_ID" --path "./localizations"asc localizations list --version "VERSION_ID" --output table| Field | Limit |
|---|---|
| Name | 30 |
| Subtitle | 30 |
| Keywords | 100 (comma-separated) |
| Description | 4000 |
| What's New | 4000 |
| Promotional Text | 170 |
Use asc metadata validate --dir "./metadata" for canonical metadata trees. Use asc migrate validate --fastlane-dir "./fastlane" for legacy fastlane-format metadata.
--type flag.asc localizations list to confirm available locales and IDs.~30 seconds. Free. No account. Every finding cites a rule and a line of evidence.