It’s a Claude agent prompt. I don’t recall who originally shared it, so I can’t yet attribute the source, but I’ll track that down shortly and add proper attribution here.

Here’s the Claude agent markdown:

https://github.com/lst97/claude-code-sub-agents/blob/main/ag...

Edit: Updated from the old Pastebin link to the GitHub version. Attribution found: lst97 on GitHub

How it looks like Claude agent is written by Claude...