§17 用 MCP 把能力接到外部世界

export class ToolAgent extends Agent {
  async onStart() {
    await this.addMcpServer("github", "https://mcp.github.com/mcp");
  }
  async onRequest(request: Request) {
    const workersai = createWorkersAI({ binding: this.env.AI });
    const { text } = await generateText({
      model: workersai("@cf/zai-org/glm-4.7-flash"),
      prompt: "Summarize latest issue activity.",
      tools: this.mcp.getAITools(), // 把远程工具喂给模型
    });
    return Response.json({ text });
  }
}

import { McpAgent } from "agents/mcp";
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { z } from "zod";

export class TinyMcp extends McpAgent {
  server = new McpServer({ name: "", version: "v1.0.0" });
  async init() {
    this.server.registerTool(
      "square",
      { description: "Squares a number", inputSchema: { number: z.number() } },
      async ({ number }) => ({ content: [{ type: "text", text: String(number ** 2) }] })
    );
  }
}
export default TinyMcp.serve("/"); // 整个 Worker 就这么一行