This can be used for 1.13 as well, Minecraft will say that it is not compatible, and that it might not work right, but you can click ok and it will work just fine.
Developer information
Projects on Modrinth are automatically available through a Maven repository for use with JVM build tools such as Gradle.
maven { name = "Modrinth"; url = "https://api.modrinth.com/maven" }
