io.github.cyanheads/usgs-water-mcp-server

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-11T12:38:38.306844Z",
      "publishedAt": "2026-11-11T12:38:38.306844Z",
      "statusChangedAt": "2026-11-11T12:38:38.306844Z"
    }
  },
  "server": {
    "name": "io.github.cyanheads/usgs-water-mcp-server",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://usgs-water.caseyjhand.com/mcp",
        "type": "streamable-http"
      }
    ],
    "version": "0.6.0",
    "packages": [
      {
        "version": "0.6.0",
        "transport": {
          "type": "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 Water Data API requests. 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 each USGS Water Data API request. Every tool call also has a shared 45-second deadline across its requests and retries. Default: 30000."
          },
          {
            "name": "USGS_API_KEY",
            "format": "string",
            "isSecret": true,
            "description": "Optional api.data.gov key for the USGS Water Data APIs, sent as the X-Api-Key header. Without one, requests share the anonymous per-IP hourly limit (1,000 requests on the OGC collections); a shared or hosted deployment should set one."
          },
          {
            "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')."
          }
        ]
      },
      {
        "version": "0.6.0",
        "transport": {
          "url": "http://localhost:3010/mcp",
          "type": "streamable-http"
        },
        "identifier": "@cyanheads/usgs-water-mcp-server",
        "runtimeHint": "npx",
        "registryType": "npm",
        "registryBaseUrl": "https://registry.npmjs.org",
        "environmentVariables": [
          {
            "name": "MCP_TRANSPORT_TYPE",
            "value": "http",
            "format": "string",
            "description": "Selects the HTTP transport."
          },
          {
            "name": "USGS_USER_AGENT",
            "format": "string",
            "description": "Custom User-Agent string for USGS Water Data API requests. 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 each USGS Water Data API request. Every tool call also has a shared 45-second deadline across its requests and retries. Default: 30000."
          },
          {
            "name": "USGS_API_KEY",
            "format": "string",
            "isSecret": true,
            "description": "Optional api.data.gov key for the USGS Water Data APIs, sent as the X-Api-Key header. Without one, requests share the anonymous per-IP hourly limit (1,000 requests on the OGC collections); a shared or hosted deployment should set one."
          },
          {
            "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_HTTP_HOST",
            "format": "string",
            "default": "127.0.0.1",
            "description": "The hostname for the HTTP server."
          },
          {
            "name": "MCP_HTTP_PORT",
            "format": "string",
            "default": "3010",
            "description": "The port to run the HTTP server on."
          },
          {
            "name": "MCP_HTTP_ENDPOINT_PATH",
            "format": "string",
            "default": "/mcp",
            "description": "The endpoint path for the MCP server."
          },
          {
            "name": "MCP_AUTH_MODE",
            "format": "string",
            "default": "none",
            "description": "Authentication mode to use: 'none', 'jwt', or 'oauth'."
          },
          {
            "name": "MCP_LOG_LEVEL",
            "format": "string",
            "default": "info",
            "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/cyanheads/usgs-water-mcp-server",
      "source": "github"
    },
    "description": "Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells."
  }
}