Carbon Footprint Calculator

Calculators REST API MCP

Estimate an annual personal carbon footprint in tonnes of CO2 from home energy, transportation, and lifestyle, with a per-category breakdown and a comparison to the US average (16 t), the world average (4.7 t), and the Paris target (2 t). Every input is optional and defaults to a typical US household value.

This page documents the MCP tool findutils:carbon_footprint_calculator. See the REST reference →

Use in the browser View as Markdown

Call it over MCP

Tool name findutils:carbon_footprint_calculator · no API keys · 120 requests/min per IP

Claude Code

claude mcp add findutils --transport http https://mcp.findutils.com/

Claude Desktop — claude_desktop_config.json

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}

Raw JSON-RPC (any MCP client) — verified example

curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "carbon_footprint_calculator",
      "arguments": {
        "car_miles": 12000,
        "car_type": "gasoline",
        "diet_type": "meat_medium"
      }
    }
  }'

Input schema

Argument	Type	Required	Description
electricity_usage	number	no	Monthly electricity use. kWh when electricity_unit is "kwh", or dollars when "bill" (1 dollar = 8 kWh). Default 900. Default: 900.
electricity_unit	string (kwh \| bill)	no	Unit of electricity_usage. Default: "kwh".
gas_usage	number	no	Monthly natural gas use. Therms when gas_unit is "therms", or dollars when "bill" (1 dollar = 0.8 therms). Default 50. Default: 50.
gas_unit	string (therms \| bill)	no	Unit of gas_usage. Default: "therms".
renewable_energy	number	no	Share of electricity from renewable sources, 0-100 percent. Default 0. Default: 0.
car_miles	number	no	Miles driven per year. Default 12000. Default: 12000.
car_efficiency	number	no	Fuel economy in miles per gallon (ignored for electric). Default 25. Default: 25.
car_type	string (gasoline \| diesel \| hybrid \| electric)	no	Vehicle fuel type. Default: "gasoline".
public_transport_miles	number	no	Public transport miles per year. Default 500. Default: 500.
flights_short	integer	no	Short flights (< 3 h) per year. Default 2. Default: 2.
flights_medium	integer	no	Medium flights (3-6 h) per year. Default 1. Default: 1.
flights_long	integer	no	Long flights (> 6 h) per year. Default 0. Default: 0.
diet_type	string (meat_heavy \| meat_medium \| meat_low \| vegetarian \| vegan)	no	Diet profile. Default: "meat_medium".
food_waste	string (high \| medium \| low)	no	Food waste level. Default: "medium".
shopping_habits	string (frequent \| moderate \| minimal)	no	Shopping habits. Default: "moderate".
recycling	string (none \| some \| most \| all)	no	How much household waste is recycled. Default: "some".

Example arguments (verified)

{
  "car_miles": 12000,
  "car_type": "gasoline",
  "diet_type": "meat_medium"
}

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/carbon-footprint-calculator/execute — no key, 60 requests/min.

Open the REST reference for Carbon Footprint Calculator →

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