# Sign Leak Shield > Disclosure: > > This mod was built with the help of AI. ![Main Release](https://dock-it.dev/OnniSystems/SignShield/actions/workflows/main-release.yml/badge.svg?branch=main) ![Dev Verify](https://dock-it.dev/OnniSystems/SignShield/actions/workflows/dev-verify.yml/badge.svg?branch=dev) This is a Fabric client mod for Minecraft 1.21.11 that defensively patches forced sign-editor translation and keybind leak probes. Bypass's Anti Mod systems on Donut SMP and others like it. Build: 1. Install Java 21. 2. Open the project in a terminal. 3. Run `./gradlew build` on Linux/macOS or `gradlew.bat build` on Windows. 4. The built jar will be placed in `build/libs`. Notes: - The project targets Fabric for Minecraft 1.21.11. - The implementation is scoped to forced sign editor traffic and only rewrites matching outgoing sign update packets.