Get weather forecasts and alerts via NWS API using mcp-server-weather (npx)

{
  "server": "mcp-server-weather",
  "version": "1.0.1",
  "launcher": "npx -y mcp-server-weather",
  "transport": "stdio",
  "protocol": "2024-11-05",
  "tools_count": 2,
  "trace": {
    "initialize": {
      "request": {
        "jsonrpc": "2.0",
        "id": 1,
        "method": "initialize",
        "params": {
          "protocolVersion": "2024-11-05",
          "capabilities": {},
          "clientInfo": {
            "name": "pathfinder",
            "version": "1.0"
          }
        }
      },
      "response": {
        "result": {
          "protocolVersion": "2024-11-05",
          "capabilities": {
            "tools": {
              "listChanged": true
            }
          },
          "serverInfo": {
            "name": "weather",
            "version": "1.0.0"
          }
        },
        "jsonrpc": "2.0",
        "id": 1
      }
    },
    "tools_list": {
      "request": {
        "jsonrpc": "2.0",
        "id": 2,
        "method": "tools/list",
        "params": {}
      },
      "response_summary": "2 tools: get_forecast(latitude, longitude), get_alerts(state)"
    },
    "get_forecast": {
      "request": {
        "jsonrpc": "2.0",
        "id": 3,
        "method": "tools/call",
        "params": {
          "name": "get_forecast",
          "arguments": {
            "latitude": 37.7749,
            "longitude": -122.4194
          }
        }
      },
      "response_excerpt": "Forecast for 37.7749, -122.4194:

Today:
Temperature: 77°F
Wind: 2 to 10 mph SW
Sunny
---
Tonight:
Temperature: 57°F
Wind: 1 to 8 mph WSW
Clear
---
Thursday:
Temperature: 84°F
Wind: 1 to 12 mph SW
Sunny
---
[...11 more periods...]"
    },
    "get_alerts": {
      "request": {
        "jsonrpc": "2.0",
        "id": 4,
        "method": "tools/call",
        "params": {
          "name": "get_alerts",
          "arguments": {
            "state": "CA"
          }
        }
      },
      "response_excerpt": "Active alerts for CA:

Event: Frost Advisory
Area: Northeast Siskiyou...
Severity: Minor
---
Event: Heat Advisory
Area: Sonoma Coastal Range; North Bay...
Severity: Moderate
---
Event: Red Flag Warning
Area: North Bay Interior Mountains; East Bay Hills
Severity: Severe
---
[...90+ total alerts...]"
    }
  },
  "executed_at": "2026-06-10T15:20:00Z"
}