RealWorldMCP
Earth · API

USGS Water Services API

Read real-time river flow, gauge height and groundwater levels from thousands of US stream gauges.

Official
View source More earth

Notes. Public open-data service; free with no published price page.

Connect

This is an API, not an MCP server. Call it over HTTP. Setup steps are in its source .

Endpoints

The endpoints are in its docs .

Facts on this page come from the project's README, registry record or docs, read on Nov 2, 2026. Transport and auth are read from the text, so confirm them before you rely on them. Something wrong? See Get listed.

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