单 Agent

npm install @ag-kit/agents @ag-kit/tools zod

import { Agent, OpenAIProvider } from '@ag-kit/agents';

const agent = new Agent({
  name: 'my-assistant',
  description: '一个有用的 AI 助手',
  model: new OpenAIProvider({
    apiKey: process.env.OPENAI_API_KEY!,
    defaultModel: 'gpt-4o-mini'
  }),
  instructions: '你是一个有用的助手。'
});

const result = await agent.run('你好!');
console.log(result.output);

import { tool } from '@ag-kit/tools';
import { z } from 'zod';

const weatherTool = tool(
  async (input: unknown) => {
    const { location } = input as { location: string };
    return { location, temperature: 72, condition: 'sunny' };
  },
  {
    name: 'get_weather',
    description: '获取某个位置的天气',
    schema: z.object({
      location: z.string().describe('城市名称')
    })
  }
);

const agent = new Agent({
  tools: [weatherTool],
  instructions: '当被问及天气时使用 get_weather 工具。'
});