Koskamo

USGS Water MCP

An MCP server that allows agents to query real-time and historical water data from approximately 8,000 USGS stream gages and groundwater wells. It supports finding monitoring sites, retrieving latest readings or historical time series, and analyzing hydrologic conditions against period-of-record statistics.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

USGS Water MCP logo, by cyanheadsCommunity listingLocal stdioSource reviewed; not executedPublished by cyanheads
Vendor documentation

What you can do with it

  • Find USGS monitoring sites by location or parameter
  • Get latest real-time water readings for specific sites
  • Retrieve historical time series data for analysis
  • Check current hydrologic conditions against historical percentiles

Source and maintenance

Community listingRegistry 0.5.0
mcp-registry: io.github.cyanheads/usgs-water-mcp-server@0.5.0Source repository
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@cyanheads/usgs-water-mcp-server 0.5.0

npmnpx
@cyanheads/usgs-water-mcp-server package definition
{
  "version": "0.5.0",
  "transport": "stdio",
  "identifier": "@cyanheads/usgs-water-mcp-server",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "USGS_USER_AGENT",
      "format": "string",
      "description": "Custom User-Agent string for USGS NWIS and OGC discovery endpoints. Defaults to a descriptive identifier including the repo URL."
    },
    {
      "name": "USGS_REQUEST_TIMEOUT_MS",
      "format": "string",
      "default": "30000",
      "description": "HTTP request timeout in milliseconds for USGS NWIS and OGC calls. Site-series discovery also has a shared 45-second deadline. Default: 30000."
    },
    {
      "name": "WATER_DATAFRAME_DROP_ENABLED",
      "format": "string",
      "default": "false",
      "description": "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."
    },
    {
      "name": "MCP_LOG_LEVEL",
      "format": "string",
      "default": "info",
      "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "usgs-water-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/usgs-water-mcp-server@0.5.0"
      ],
      "env": {
        "USGS_USER_AGENT": "<YOUR_USGS_USER_AGENT>",
        "USGS_REQUEST_TIMEOUT_MS": "<YOUR_USGS_REQUEST_TIMEOUT_MS>",
        "WATER_DATAFRAME_DROP_ENABLED": "<YOUR_WATER_DATAFRAME_DROP_ENABLED>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "usgs-water-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/usgs-water-mcp-server@0.5.0"
      ],
      "env": {
        "USGS_USER_AGENT": "<YOUR_USGS_USER_AGENT>",
        "USGS_REQUEST_TIMEOUT_MS": "<YOUR_USGS_REQUEST_TIMEOUT_MS>",
        "WATER_DATAFRAME_DROP_ENABLED": "<YOUR_WATER_DATAFRAME_DROP_ENABLED>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "usgs-water-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/usgs-water-mcp-server@0.5.0"
      ],
      "env": {
        "USGS_USER_AGENT": "<YOUR_USGS_USER_AGENT>",
        "USGS_REQUEST_TIMEOUT_MS": "<YOUR_USGS_REQUEST_TIMEOUT_MS>",
        "WATER_DATAFRAME_DROP_ENABLED": "<YOUR_WATER_DATAFRAME_DROP_ENABLED>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "usgs-water-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/usgs-water-mcp-server@0.5.0"
      ],
      "env": {
        "USGS_USER_AGENT": "<YOUR_USGS_USER_AGENT>",
        "USGS_REQUEST_TIMEOUT_MS": "<YOUR_USGS_REQUEST_TIMEOUT_MS>",
        "WATER_DATAFRAME_DROP_ENABLED": "<YOUR_WATER_DATAFRAME_DROP_ENABLED>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

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