@modelcontextprotocol/sdk
Version:
Model Context Protocol implementation for TypeScript
95 lines • 3.49 kB
JavaScript
;
/**
* Example MCP server using the high-level McpServer API with outputSchema
* This demonstrates how to easily create tools with structured output
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const mcp_js_1 = require("../../server/mcp.js");
const stdio_js_1 = require("../../server/stdio.js");
const z = __importStar(require("zod/v4"));
const server = new mcp_js_1.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 stdio_js_1.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);
});
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