npm install @better-agent/xai

import { defineAgent } from "@better-agent/core";
import { xai } from "@better-agent/xai";

export const supportAgent = defineAgent({
  name: "support",
  model: xai("grok-4"),
  instruction: "You help customers.",
});

import { createXai } from "@better-agent/xai";

const xai = createXai({
  apiKey: process.env.XAI_API_KEY,
});

const agent = defineAgent({
  name: "researcher",
  model: xai("grok-4"),
  tools: [
    xai.tools.webSearch({}),
  ],
});

const text = xai.text("grok-4");

const rewrite = defineTool({
  name: "rewrite",
  description: "Rewrite text for a specific audience.",
  inputSchema: z.object({
    content: z.string(),
    audience: z.string(),
  }),
  execute: async ({ content, audience }) => {
    const result = await text.generate({
      input: `Rewrite this for ${audience}:\n\n${content}`,
    });

    return { rewritten: result.text };
  },
});

const image = xai.image("grok-2-image");
const video = xai.video("grok-video");

await app.agent("support").run({
  messages,
  providerOptions: {
    xai: {
      reasoningEffort: "medium",
    },
  },
});