src/
├── main/
│   ├── java/
│   │   └── org/springframework/ai/mcp/sample/server/
│   │       ├── McpServerApplication.java    # Main application class with tool registration
│   │       └── WeatherService.java          # Weather service implementation with MCP tools
│   └── resources/
│       └── application.properties           # Server and transport configuration
└── test/
    └── java/
        └── org/springframework/ai/mcp/sample/client/
            └── ClientStdio.java             # Test client implementation

./mvnw clean install -DskipTests

@Service
public class WeatherService {
    @Tool(description = "Get weather forecast for a specific latitude/longitude")
    public String getWeatherForecastBrazil(
        double latitude,   // Latitude coordinate
        double longitude   // Longitude coordinate
    ) {
        // Implementation
    }

    @Tool(description = "Get weather alerts for a US state")
    public String getAlerts(
        String state  // Two-letter US state code (e.g., CA, NY)
    ) {
        // Implementation
    }
}

@SpringBootApplication
public class McpServerApplication {
    @Bean
    public List weatherTools(WeatherService weatherService) {
        return ToolCallbacks.from(weatherService);
    }
}

@Tool(description = "Get weather forecast for a specific latitude/longitude")
public String getWeatherForecastBrazil(
    double latitude,   // Latitude coordinate
    double longitude   // Longitude coordinate
) {
    // Returns detailed forecast including:
    // - Temperature and unit
    // - Wind speed and direction
    // - Detailed forecast description
}

// Example usage:
CallToolResult forecast = client.callTool(
    new CallToolRequest("getWeatherForecastBrazil",
        Map.of(
            "latitude", 47.6062,    // Seattle coordinates
            "longitude", -122.3321
        )
    )
);

@Tool(description = "Get weather alerts for a US state")
public String getAlerts(
    String state  // Two-letter US state code (e.g., CA, NY)
) {
    // Returns active alerts including:
    // - Event type
    // - Affected area
    // - Severity
    // - Description
    // - Safety instructions
}

// Example usage:
CallToolResult alerts = client.callTool(
    new CallToolRequest("getAlerts",
        Map.of("state", "NY")
    )
);

// Create server parameters
ServerParameters stdioParams = ServerParameters.builder("java")
    .args("-Dspring.ai.mcp.server.transport=STDIO",
          "-Dspring.main.web-application-type=none",
          "-Dlogging.pattern.console=",
          "-jar",
          "target/my-mcp-stdio-server-0.0.1-SNAPSHOT.jar")
    .build();

// Initialize transport and client
var transport = new StdioClientTransport(stdioParams);
var client = McpClient.sync(transport).build();

java -Dspring.ai.mcp.client.stdio.connections.server1.command=java \
     -Dspring.ai.mcp.client.stdio.connections.server1.args=-jar,/Users/christiantzolov/Dev/projects/spring-ai-examples/model-context-protocol/weather/starter-stdio-server/target/my-mcp-stdio-server-0.0.1-SNAPSHOT.jar \
     -Dai.user.input='What is the weather in NY?' \
     -Dlogging.pattern.console= \
     -jar mcp-starter-default-client-0.0.1-SNAPSHOT.jar

{
  "mcpServers": {
    "spring-ai-mcp-weather": {
      "command": "java",
      "args": [
        "-Dspring.ai.mcp.server.stdio=true",
        "-Dspring.main.web-application-type=none",
        "-Dlogging.pattern.console=",
        "-jar",
        "/absolute/path/to/my-mcp-stdio-server-0.0.1-SNAPSHOT.jar"
      ]
    }
  }
}

# Required STDIO Configuration
spring.main.web-application-type=none
spring.main.banner-mode=off
logging.pattern.console=

# Server Configuration
spring.ai.mcp.server.enabled=true
spring.ai.mcp.server.name=my-weather-server
spring.ai.mcp.server.version=0.0.1
# SYNC or ASYNC
spring.ai.mcp.server.type=SYNC
spring.ai.mcp.server.resource-change-notification=true
spring.ai.mcp.server.tool-change-notification=true
spring.ai.mcp.server.prompt-change-notification=true

# Optional file logging
logging.file.name=my-mcp-stdio-server.log