USGS Water Services MCP Server for Gemini CLI

io.github.mansurjisan/usgs-mcp

USGS Water Services streamflow, flood stages, and peak events via waterservices.usgs.gov

client:Gemini CLI transport:stdio runtime:pypi

Install USGS Water Services MCP Server in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "usgs-mcp": {
      "command": "uvx",
      "args": [
        "usgs-mcp"
      ]
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs