OpenTakeoff: measuring construction plans in the browser and over MCP

Description and use

OpenTakeoff enables measuring construction plans in the browser and via an MCP agent, exporting annotated PDFs and quantity reports.

Problem

Need to measure construction plans (floor area, wall length, etc.) efficiently in a browser or via an agent.

Outcome

Users can perform takeoffs entirely in the browser or via an MCP agent, exporting both annotated PDFs and quantitative reports without needing a backend.

Workflow

• Open the browser app at https://opentakeoff.kentucky-ai.com
• Load a PDF plan and set the scale
• Use Area, Linear, or Count tools to trace measurements
• Label measurements for later review
• Export the marked PDF and quantity report
• (Optional) Connect an MCP agent: configure server with "mcpServers":{"opentakeoff":{"command":"npx","args":["-y","opentakeoff-mcp"]}}","(Optional) Use agent commands: load_plan, set_scale, measure_polygon, view_sheet, export_takeoff, export_marked_pdf

Evidence

OpenTakeoff has a browser canvas for doing that manually and an MCP server that lets an agent work with the same measurement engine.

Source

The basic sequence is load_plan, set_scale, measure_polygon, view_sheet, then export_takeoff and export_marked_pdf.

Source

The area, length, surface and count tools can support takeoffs across construction trades.

Source