Mastra review

import { Agent } from "@mastra/core/agent";
import { createTool } from "@mastra/core/tools";
import { z } from "zod";

const H = { "x-api-key": process.env.GEEKFLARE_API_KEY!, "Content-Type": "application/json" };

const webSearch = createTool({
  id: "web_search",
  description: "Search the web. Returns the top 5 results as 'title | url | snippet' lines.",
  inputSchema: z.object({ query: z.string() }),
  execute: async ({ query }) => {
    const r = await fetch("https://api.geekflare.com/search", { method: "POST", headers: H, body: JSON.stringify({ query }) });
    const items = ((await r.json()).data ?? []).slice(0, 5);
    return items.map((i: any) => `${i.title} | ${i.url} | ${i.snippet ?? ""}`).join("\n");
  },
});

const readPage = createTool({
  id: "read_page",
  description: "Read a web page as Markdown, cut to 6,000 characters.",
  inputSchema: z.object({ url: z.string() }),
  execute: async ({ url }) => {
    const r = await fetch("https://api.geekflare.com/webscraping", { method: "POST", headers: H, body: JSON.stringify({ url, format: ["markdown"] }) });
    return (((await r.json()).data ?? {}).markdown ?? "").slice(0, 6000);
  },
});

export const agent = new Agent({
  name: "Researcher",
  instructions: "You are a careful research assistant. Use the tools to find facts and cite your sources.",
  model: "openrouter/anthropic/claude-haiku-5.5",
  tools: { webSearch, readPage },
});

export async function run(task: string): Promise<string> {
  const res = await agent.generate(task, { maxSteps: 10, modelSettings: { temperature: 0, maxOutputTokens: 1024 } });
  return res.text;
}