If you’ve been using AI roleplay bots for a while, you’ve probably come across “character cards.” These are the files that tell the AI who it’s supposed to be: their name, personality, backstory, and maybe a greeting to kick off the chat.
The original format — let’s call it V1 — was simple. It had six basic parts: name, description, personality, scenario, greeting, and example messages. That was enough to get things going. But now there’s a V2 spec, and it adds a whole lot more. So what’s new? What’s it for? And do you need to care?