Node MCP

npm install https://app.epode.ai/static/agent-feedback-node-0.1.0.tgz
npm install @modelcontextprotocol/server @modelcontextprotocol/node @modelcontextprotocol/express zod

import { createMcpInstrumentation } from "@agent-feedback/node/mcp";
import { createMcpExpressApp } from "@modelcontextprotocol/express";
import { toNodeHandler } from "@modelcontextprotocol/node";
import { createMcpHandler, McpServer } from "@modelcontextprotocol/server";
import { z } from "zod";

// [] rejects browser Origin requests. Add only trusted browser client origins.
const app = createMcpExpressApp({ host: "0.0.0.0", allowedOrigins: [] });

const feedback = createMcpInstrumentation({
  apiKey: process.env.AGENT_FEEDBACK_KEY,
  includeTools: ["search", "fetch_result"],
  feedbackTools: ["fetch_result"],
  sessionRef: (args, _context, result) =>
    args.runId || result?.structuredContent?.runId,
});

function productServer() {
  const server = new McpServer({ name: "your-product", version: "1.0.0" });

  feedback.instrument(server);

  server.registerTool("search", {
    description: "Search the product",
    inputSchema: z.object({ query: z.string() }),
  }, async ({ query }) => ({
    content: [{ type: "text", text: await search(query) }],
  }));

  return server;
}

const mcp = createMcpHandler(productServer, {
  legacy: "stateless",
  responseMode: "json",
});
const handleMcp = toNodeHandler(mcp);

app.all("/mcp", (req, res) => handleMcp(req, res, req.body));
app.listen(Number(process.env.PORT || 3000), "0.0.0.0");

const feedback = createMcpInstrumentation({
  apiKey: process.env.AGENT_FEEDBACK_KEY,
  includeTools: ["browser_*"],
  feedbackTools: ["browser_close"],
  sessionRef: (args, _context, result) =>
    args.sessionId || result?.structuredContent?.sessionId,
  customerRef: (_args, context) =>
    context.authInfo?.extra?.accountId,
});