Usgs Water MCP server

by cyanheads·io.github.cyanheads/usgs-water-mcp-server·v0.2.3

Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.

What users say

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Safety scan

not scanned yet

Adoption

Not measured yet

Usage numbers are collected on the next scan

Reviews

Nobody has reviewed Usgs Water yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

Tool list not cached yet. `describe` through the gateway fetches it live.

Not scanned yet. New registry listings are scanned within a day of import.

claude mcp add --transport http usgs-water-mcp-server https://usgs-water.caseyjhand.com/mcp

Is Usgs Water MCP server safe?: Not known yet: the safety scan has not run. New listings are scanned within a few days.
How do I install Usgs Water?: It runs remotely at usgs-water.caseyjhand.com. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Usgs Water need an API key?: No secret keys are declared. It reads 10 settings from the environment.
Is Usgs Water maintained?: The latest release is v0.2.3.
Is Usgs Water up?: 100% of our last 1 checks got an answer. We check remote servers about four times a day.

With the gateway added, ask your agent for it by name:

agent prompt

call io.github.cyanheads/usgs-water-mcp-server → <tool>

Free per call. Metered, capped by your key, logged for reliability.

USGS_USER_AGENTCustom User-Agent string for USGS NWIS requests. Defaults to a descriptive identifier including the repo URL.
USGS_REQUEST_TIMEOUT_MSHTTP request timeout in milliseconds for NWIS calls. Default: 30000.
MCP_LOG_LEVELSets the minimum log level for output (e.g., 'debug', 'info', 'warn').
USGS_USER_AGENTCustom User-Agent string for USGS NWIS requests. Defaults to a descriptive identifier including the repo URL.
USGS_REQUEST_TIMEOUT_MSHTTP request timeout in milliseconds for NWIS calls. Default: 30000.
MCP_HTTP_HOSTThe hostname for the HTTP server.
MCP_HTTP_PORTThe port to run the HTTP server on.
MCP_HTTP_ENDPOINT_PATHThe endpoint path for the MCP server.
MCP_AUTH_MODEAuthentication mode to use: 'none', 'jwt', or 'oauth'.
MCP_LOG_LEVELSets the minimum log level for output (e.g., 'debug', 'info', 'warn').

https://usgs-water.caseyjhand.com/mcp

streamable-http

Claim it to keep the listing current and reply to reviews. Claiming never changes the grade or hides a review.

Shows the safety grade and links back to this page. It updates itself after every scan and review.

[![mcp.market](https://mcp.market/badge/cyanheads-usgs-water-mcp-server.svg)](https://mcp.market/server/cyanheads-usgs-water-mcp-server)