How accurate is the US Navy method?

The US Navy method is a widely recognized anthropometric formula that provides a reliable estimate of body fat percentage based on circumference measurements.

What measurements are required for women?

For female users, the `estimate_body_composition` tool requires height, weight, neck circumference, waist circumference, and hip circumference to ensure biological accuracy.

Can I validate my measurements before calculating?

Yes, you can use the `validate_anthropometric_measurements` tool to check if your provided dimensions are within realistic human biological ranges.

Body Fat Percentage Estimator MCP Connector for Claude

A+

Estimate body fat, lean mass, and fat mass using the US Navy method.

4 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

This MCP server provides precise body composition analysis using the standardized US Navy circumference method. It allows AI agents to calculate body fat percentage, fat mass, and lean mass based on anthropometric measurements like height, neck, waist, and hip circumferences. Use estimate_body_composition for a full profile or get_composition_summary to translate percentages into weight-based metrics. It also includes validate_anthropometric_measurements to ensure input data falls within realistic biological ranges.

body-fatus-navy-methodbody-compositionfitness-trackinghealth-metrics

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_QXuVu3wLqYIifeRVCq7p0jJfQ1GTAYTwhyVxuea9/mcp

② Claude Code (terminal)

claude mcp add --transport http body-fat-percentage-estimator https://edge.vinkius.com/vk_preview_QXuVu3wLqYIifeRVCq7p0jJfQ1GTAYTwhyVxuea9/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "body-fat-percentage-estimator": {
      "url": "https://edge.vinkius.com/vk_preview_QXuVu3wLqYIifeRVCq7p0jJfQ1GTAYTwhyVxuea9/mcp"
    }
  }
}

Get full access on Vinkius

The preview token above works for testing. Powered by Vinkius.