AI agents are getting very good at writing final reports.

The problem is not only that they make mistakes. The problem is that sometimes they make mistakes with excellent presentation.

Proofline is a 5-skill Markdown pack that catches fake-ready output before it turns into a release, handoff, public post, or "yeah, looks done".

What Proofline does

It is not trying to be another giant agent. It works as a review route after the agent produces a result: