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What is Anomaly?

Anomaly is a client and server modding framework for SCP: Secret Laboratory. It runs from a separate modded game install and connects only to servers running the matching Anomaly LabAPI plugin.

  • Keeps the modded install separate from your Steam-managed game.
  • Uses the Launcher to assemble named loadouts and verify the official Anomaly core before each modded launch.
  • Loads manually installed mods under the development audit policy; local rebuilds do not require individual hash approval.
  • Authenticates modded clients to Anomaly servers through a persistent local identity.
  • Lets servers offer consent-bound custom-item icons and supported audio files.
  • Gives each server its own @anomaly enrollment identifier for a player.
  • It is not a cheat framework or a way to join vanilla public servers.
  • It is not affiliated with Northwood Studios or SCP:SL.
  • It is not an operating-system sandbox. A loaded DLL runs with the same process access as the game.
  • It does not currently provide a public third-party repository or deep-link installer. Those workflows are planned; v1 uses trusted manual files alongside the signed official core.

You need a legitimate Steam copy of SCP:SL to use Anomaly.

The following are not supported:

  • Connecting to public or non-Anomaly servers with the modded client.
  • Re-enabling disabled vanilla authentication or anti-cheat behavior.
  • Creating, distributing, or using cheats.
  • Spoofing users or bypassing bans.

Players should continue to Before You Install. Server operators should start at What Enabling Anomaly Changes. Mod authors should start at Architecture Choices.