68 lines
2.3 KiB
JavaScript
68 lines
2.3 KiB
JavaScript
#!/usr/bin/env node
|
|
/**
|
|
* Example MCP server using the high-level McpServer API with outputSchema
|
|
* This demonstrates how to easily create tools with structured output
|
|
*/
|
|
import { McpServer } from "../../server/mcp.js";
|
|
import { StdioServerTransport } from "../../server/stdio.js";
|
|
import { z } from "zod";
|
|
const server = new McpServer({
|
|
name: "mcp-output-schema-high-level-example",
|
|
version: "1.0.0",
|
|
});
|
|
// Define a tool with structured output - Weather data
|
|
server.registerTool("get_weather", {
|
|
description: "Get weather information for a city",
|
|
inputSchema: {
|
|
city: z.string().describe("City name"),
|
|
country: z.string().describe("Country code (e.g., US, UK)")
|
|
},
|
|
outputSchema: {
|
|
temperature: z.object({
|
|
celsius: z.number(),
|
|
fahrenheit: z.number()
|
|
}),
|
|
conditions: z.enum(["sunny", "cloudy", "rainy", "stormy", "snowy"]),
|
|
humidity: z.number().min(0).max(100),
|
|
wind: z.object({
|
|
speed_kmh: z.number(),
|
|
direction: z.string()
|
|
})
|
|
},
|
|
}, async ({ city, country }) => {
|
|
// Parameters are available but not used in this example
|
|
void city;
|
|
void country;
|
|
// Simulate weather API call
|
|
const temp_c = Math.round((Math.random() * 35 - 5) * 10) / 10;
|
|
const conditions = ["sunny", "cloudy", "rainy", "stormy", "snowy"][Math.floor(Math.random() * 5)];
|
|
const structuredContent = {
|
|
temperature: {
|
|
celsius: temp_c,
|
|
fahrenheit: Math.round((temp_c * 9 / 5 + 32) * 10) / 10
|
|
},
|
|
conditions,
|
|
humidity: Math.round(Math.random() * 100),
|
|
wind: {
|
|
speed_kmh: Math.round(Math.random() * 50),
|
|
direction: ["N", "NE", "E", "SE", "S", "SW", "W", "NW"][Math.floor(Math.random() * 8)]
|
|
}
|
|
};
|
|
return {
|
|
content: [{
|
|
type: "text",
|
|
text: JSON.stringify(structuredContent, null, 2)
|
|
}],
|
|
structuredContent
|
|
};
|
|
});
|
|
async function main() {
|
|
const transport = new StdioServerTransport();
|
|
await server.connect(transport);
|
|
console.error("High-level Output Schema Example Server running on stdio");
|
|
}
|
|
main().catch((error) => {
|
|
console.error("Server error:", error);
|
|
process.exit(1);
|
|
});
|
|
//# sourceMappingURL=mcpServerOutputSchema.js.map
|