Features Pricing Setup Get Pro
MCP Server for Carbon Accounting

Find the Right Emission Factor, Instantly

Connect your AI agent to 8,400+ emission factors from 4 databases with hybrid keyword + embedding matching.

Get Started View Setup
8,400+
Emission Factors
4
Databases
$5
One-time, Lifetime

Built for Precision

Every feature designed to get you the most accurate emission factor for your specific use case.

Hybrid Search Engine

Combines keyword scoring (0.3) with embedding-based semantic similarity (0.7) for precise factor matching. No manual database browsing needed.

8,400+ Factors, 4 Databases

ELCD, US LCI, USDA LCA Commons & ecoinvent 3.10. Covers electricity, fuels, transport, chemicals, metals, construction, agriculture, and more.

Proactive Substitution

When an exact factor isn't available, the system suggests chemically similar alternatives and category-level fallbacks with full transparency.

MCP Native

Standard Model Context Protocol server. Works with Claude Desktop, Cursor, and any MCP-compatible AI agent. One command to install, zero config to start.

How It Works

Three steps from installation to precise emission factor matching.

1

Install

Add the MCP server to your AI agent configuration

2

Query

Describe your activity in natural language — “10kV industrial electricity in Guangdong”

3

Match

Get ranked emission factors with hybrid keyword + embedding scores

Quick Setup

One configuration block. Works with any MCP-compatible client.

claude_desktop_config.json // Claude Desktop, Cursor, or any MCP client { "mcpServers": { "carbon-factor-matcher": { "command": "npx", "args": ["-y", "@nikeandocean/carbon-factor-matcher"], "env": { "CARBON_FACTOR_LICENSE_KEY": "your-pro-key-here" } } } }

Simple, Transparent Pricing

Start free. Upgrade when you need more factors and precision.

Free

$0
  • Keyword-based factor search
  • ELCD + US LCI + USDA (1,500+ factors)
  • 300 queries / day
  • No license key required
Recommended

Pro

$5 one-time
  • Hybrid matching (keyword + embedding)
  • All 4 databases (8,400+ factors)
  • Proactive substitution for missing factors
  • Unlimited queries
  • Lifetime access

Upon successful payment, your Pro License Key will be delivered immediately to your email address provided at checkout.

Our order process is conducted by our online reseller Paddle.com. Paddle.com is the Merchant of Record for all our orders. Paddle provides all customer service inquiries and handles returns.