energy-star-mcp
An MCP server that wraps the EPA ENERGY STAR Portfolio Manager REST API, enabling AI assistants to query and update building energy data.
README
ENERGY STAR Portfolio Manager MCP Server
An MCP server that wraps the EPA ENERGY STAR Portfolio Manager REST API, enabling AI assistants to query and update building energy data.
Prerequisites
- Portfolio Manager account — sign up at energystar.gov
- Web Services access — enable in PM under Account Settings → Web Services
Authentication
The server uses HTTP Basic Auth forwarded to the EPA API. Encode your credentials:
const credentials = btoa('your_pm_username:your_pm_password')
// => e.g. "dXNlcm5hbWU6cGFzc3dvcmQ="
Pass as a Bearer token on every MCP request:
Authorization: Bearer dXNlcm5hbWU6cGFzc3dvcmQ=
Available Tools
| Tool | Description |
|---|---|
list_properties |
List all properties in the PM account |
get_property |
Get property details + current ENERGY STAR score |
get_metrics |
Get energy metrics (EUI, GHG, score) for a year |
get_meters |
List utility meters for a property |
submit_meter_data |
Submit energy consumption data for a meter |
get_national_median |
Get national median EUI for a property type |
Running locally
npm install
npm run dev # tsx watch mode
# or
npm run build && npm start
Server runs on http://localhost:3000 by default. Override with PORT env var.
Deploying to Railway
railway login
railway init
railway up
Or use the one-liner after repo creation:
railway link <project-id> && railway up
Adding to Soapbox as a Connector
- Deploy to Railway and copy the public URL (e.g.
https://energy-star-mcp.up.railway.app) - In Soapbox admin, add a new MCP connector:
- URL:
https://energy-star-mcp.up.railway.app/mcp - Auth header:
Authorization: Bearer <btoa(username:password)>
- URL:
- Assign to agents that need building energy data access
EPA API Reference
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