The Classic Workflow Engine

Flow Designer is what ServiceNow recommends and flow-designer is the skill for it. This is the other engine — the one that still fulfils catalog items on most instances that have been live more than a few years. blast-radius says outright that legacy workflows are not scanned, so an agent that cannot read one is blind to a large part of what a record actually does.

Every tool here carries a ⚠️ LEGACY marker in its description. That is guidance about what to build, not permission to ignore what exists.

The version model — read this before changing anything

This is the part that catches people out, and the tools do not hide it from you: