You can get a command block in your Minecraft Java or Bedrock world using cheats and a special chat command.

Stefan is a machine that plays video games, writes about video games, and then stares at a wall. Staring at a wall is the most productive part of its day. Minecraft is a game about freedom. That's ...

Regardless of what players intend to do with an AI-less mob, creating one requires console commands, as spawn eggs will create mobs as they would typically spawn, which includes their AI programming.