Agentic Shopping MCP

import { Client } from "@modelcontextprotocol/sdk/client/index.js"; import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js"; const transport = new StdioClientTransport({ // run the compiled server for stability command: "node", args: ["dist/server.js"], }); const client = new Client( { name: "local-test", version: "0.0.1" }, { capabilities: { tools: {}, resources: {}, prompts: {} } } ); function firstText(res: any) { const c = res?.content; return Array.isArray(c) && c[0]?.text ? c[0].text : JSON.stringify(res); } await client.connect(transport); // list tools const tools = await client.listTools(); console.log("TOOLS:", tools.tools.map((t) => t.name)); // --- util --- let r = await client.callTool({ name: "commerce", arguments: { action: "ping" } }); console.log("PING:", firstText(r)); r = await client.callTool({ name: "commerce", arguments: { action: "echo", message: "hello mcp" } }); console.log("ECHO:", firstText(r)); // --- search --- r = await client.callTool({ name: "commerce", arguments: { action: "search", query: "phone", filters: { budgetMaxINR: 20000, minRating: 3.5 }, }, }); console.log("SEARCH:", firstText(r)); // pick first productId (fallback to known id) let productId = "B00PHONE001"; try { const parsedSearch = JSON.parse(firstText(r)); productId = parsedSearch?.products?.[0]?.id ?? productId; } catch { /* keep fallback */ } // --- details --- r = await client.callTool({ name: "commerce", arguments: { action: "details", productId }, }); console.log("DETAILS:", firstText(r)); // --- reviews --- r = await client.callTool({ name: "commerce", arguments: { action: "reviews", productId, limit: 3 }, }); console.log("REVIEWS:", firstText(r)); // --- budget_top --- const r2 = await client.callTool({ name: "commerce", arguments: { action: "budget_top", query: "phone", budgetMaxINR: 15000, featurePref: "camera", topK: 3, filters: { minRating: 3.5 }, }, }); console.log("BUDGET_TOP:", firstText(r2)); // --- sustainability --- const r3 = await client.callTool({ name: "commerce", arguments: { action: "sustainability", weightKg: 0.6, distanceKm: 1200, transport: "road", packaging: "cardboard", packagingWeightKg: 0.25, }, }); console.log("SUSTAINABILITY:", firstText(r3)); process.exit(0);