This one gives Claude the ability to estimate job costs for skilled trades like plumbing, electrical, or carpentry work. You'd reach for it when you need to break down project costs into material and labor components, whether you're building a quoting tool, helping contractors price jobs, or adding estimation features to a project management app. The AI handles the complexity of calculating both parts of the equation, so you don't need to maintain pricing databases or labor rate tables yourself. It's deployed as a Cloudflare Worker and accessible over streamable HTTP, making it straightforward to integrate without running infrastructure.