JSPM

Calculate concrete volume, bags, and costs for slabs, cylinders, footings, stairs, and custom shapes. Supports cubic yards, cubic meters, and bag estimates.

Construction calculation utilities for building projects — measurements, materials, lumber, drywall, paint, roofing, slope, and cost estimation helpers.

ExMCP — エクステリア商品オープンデータ MCPサーバー。12社29,000件以上の建材商品データにAIから直接アクセス。