tapwatermap for ChatGPT

io.github.squidcode/tapwatermap

Query US tap-water quality from the EPA's SDWIS records — by city, system, or contaminant.

client:ChatGPT transport:streamable-http tools:10

Install tapwatermap in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.tapwatermap.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs