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Works with

Claude CodeClaude DesktopCursorVS CodeClineCodex CLIOpenClaw+ any MCP client

Install to Claude Code

This server doesn't publish a one-line install command. Follow the setup in the source repository.

Summary

Ultra-lightweight MCP server for construction calculations and material estimation, enabling material calculator and cost estimator tools for structures like foundations, walls, slabs, and beams.

README.md

Construction MCP Server

Ultra-lightweight MCP server for construction calculations and material estimation.

Features

  • Material Calculator: Calculate concrete, steel, brick requirements
  • Cost Estimator: Quick material cost calculations
  • Structure Types: Foundation, walls, slabs, beams

Quick Start

npm install
npm start

Tools Available

calculate_materials

Calculate materials for construction elements: ``json { "structure": "foundation", "dimensions": { "length": 10, "width": 8, "height": 0.5 } } ``

estimate_cost

Estimate material costs: ``json { "material": "concrete", "quantity": 40, "unit": "m³" } ``

Architecture

  • Zero dependencies beyond MCP SDK
  • In-memory calculations - no database overhead
  • Stateless design for maximum performance
  • JSON-based material database

Material Database

| Material | Density | Cost/Unit | |----------|---------|-----------| | Concrete | 2400 kg/m³ | $120/m³ | | Steel | 7850 kg/m³ | $800/m³ | | Brick | 1800 kg/m³ | $0.5/piece | | Cement | 1440 kg/m³ | $180/m³ |

Performance Notes

  • Sub-millisecond calculation responses
  • Minimal memory footprint (~10MB)
  • No external API calls
  • Pure computation - no I/O blocking

Usage Example

Connect to Claude Desktop by adding to your config:

{
  "mcpServers": {
    "construction": {
      "command": "node",
      "args": ["path/to/construction-mcp-server/server.js"]
    }
  }
}

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