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Usgs Water MCP Server

by Cyanheads
Developer ToolsLow Risk10.0MCP RegistryLocalRemote
Free

Server data from the Official MCP Registry

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

About

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

Remote endpoints: streamable-http: https://usgs-water.caseyjhand.com/mcp

Security Report

10.0
Low Risk10.0Low Risk

Valid MCP server (1 strong, 0 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry. Trust signals: 8 highly-trusted packages. 1 finding(s) downgraded by scanner intelligence.

8 tools verified · Open access · 2 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

env_vars

Check that this permission is expected for this type of plugin.

HTTP Network Access

Connects to external APIs or services over the internet.

What You'll Need

Set these up before or after installing:

Custom User-Agent string for USGS NWIS and OGC discovery endpoints. Defaults to a descriptive identifier including the repo URL.Optional

Environment variable: USGS_USER_AGENT

HTTP request timeout in milliseconds for USGS NWIS and OGC calls. Site-series discovery also has a shared 45-second deadline. Default: 30000.Optional

Environment variable: USGS_REQUEST_TIMEOUT_MS

Set to true to make water_dataframe_drop callable — it removes one staged table from a DataCanvas. Off by default, which lists the tool as disabled. Needs CANVAS_PROVIDER_TYPE=duckdb to have anything to drop.Optional

Environment variable: WATER_DATAFRAME_DROP_ENABLED

Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').Optional

Environment variable: MCP_LOG_LEVEL

Selects the HTTP transport.Optional

Environment variable: MCP_TRANSPORT_TYPE

The hostname for the HTTP server.Optional

Environment variable: MCP_HTTP_HOST

The port to run the HTTP server on.Optional

Environment variable: MCP_HTTP_PORT

The endpoint path for the MCP server.Optional

Environment variable: MCP_HTTP_ENDPOINT_PATH

Authentication mode to use: 'none', 'jwt', or 'oauth'.Optional

Environment variable: MCP_AUTH_MODE

How to Install & Connect

Available as Local & Remote

This plugin can run on your machine or connect to a hosted endpoint. during install.

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