MCP server exposing 4 tools for airnow.
This URL is a JSON-RPC 2.0 endpoint over HTTP. Issue POST requests with a JSON-RPC body. Browsers and search crawlers land here on GET.
POST https://gateway.pipeworx.io/airnow/mcp
Content-Type: application/json
{"jsonrpc":"2.0","id":1,"method":"tools/list"}current_by_zip — Latest observed air quality index (AQI) for the EPA AirNow reporting area nearest a US ZIP code: one row per pollutant (ozone, PM2.5, PM10) with the AQI value, category (Good / Moderate / Unhealthy …), observation hour, reporting agency and yesterday's AQI for comparison. Answers "what is the air quality in ZIP 94103 right now".current_by_location — Latest observed air quality index (AQI) for the EPA AirNow reporting area nearest a latitude/longitude in the US: one row per pollutant with AQI value, category, observation hour, agency and yesterday's AQI. Answers "what is the air quality at these coordinates right now".forecast_by_zip — EPA AirNow air quality (AQI) forecast for a US ZIP code — today and up to three days ahead, per pollutant, with the forecast category, Action Day flag and the forecaster's discussion text. Pass a date (YYYY-MM-DD) to get one day, omit it for every day AirNow has issued. Answers "is tomorrow ok for outdoor activity in 60601".observations_in_bbox — Hourly EPA AirNow monitoring-site observations inside a bounding box for a span of UTC hours (max 24 hours per call): per site and hour, the AQI for ozone, PM2.5, PM10 and NO2 and the measured concentrations for PM2.5, ozone, NO2, CO, SO2 and PM10. Specify pollutants as comma-separated codes ("OZONE,PM25,PM10,CO,NO2,SO2"). bbox format: "minLon,minLat,maxLon,maxLat"; dates as "YYYY-MM-DDTHH" (UTC). Answers "which monitors in the LA basin exceeded AQI 100 yesterday".Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/airnow/
Pipeworx is an open MCP gateway connecting AI agents to live data. pipeworx.io