@modelcontextprotocol/sdk
Version:
Model Context Protocol implementation for TypeScript
73 lines • 2.68 kB
JavaScript
;
// Run with: npx tsx src/examples/server/toolWithSampleServer.ts
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 mcpServer = new mcp_js_1.McpServer({
name: 'tools-with-sample-server',
version: '1.0.0'
});
// Tool that uses LLM sampling to summarize any text
mcpServer.registerTool('summarize', {
description: 'Summarize any text using an LLM',
inputSchema: {
text: z.string().describe('Text to summarize')
}
}, async ({ text }) => {
// Call the LLM through MCP sampling
const response = await mcpServer.server.createMessage({
messages: [
{
role: 'user',
content: {
type: 'text',
text: `Please summarize the following text concisely:\n\n${text}`
}
}
],
maxTokens: 500
});
// Since we're not passing tools param to createMessage, response.content is single content
return {
content: [
{
type: 'text',
text: response.content.type === 'text' ? response.content.text : 'Unable to generate summary'
}
]
};
});
async function main() {
const transport = new stdio_js_1.StdioServerTransport();
await mcpServer.connect(transport);
console.log('MCP server is running...');
}
main().catch(error => {
console.error('Server error:', error);
process.exit(1);
});
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