STCS extension

Security at a glance

Low riskSafety score 92/1005 findings

Describes the Firefox listing; other stores are scanned separately and can score differently. Automated estimate from our latest scan (malware, permissions, obfuscation) — not a security audit. Higher safety score is better.

See the full security report

Firefox listing ID: stcs

Permissions (4)

  • Store local data
  • https://store.steampowered.com/app/*
  • https://steamcommunity.com/sharedfiles/filedetails/*

Frequently asked questions

Is STCS safe to use?

Our latest automated scan rates the Firefox listing of STCS at 92/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does STCS require?

STCS requests 4 permissions. The most significant: Store local data, https://store.steampowered.com/app/*, https://steamcommunity.com/sharedfiles/filedetails/*. See the full breakdown in the security report.

Who develops STCS?

STCS is published by Kinny. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.