Agent Options

import { Agent } from '@mastra/core/agent';
import { z } from 'zod';

const agent = new Agent({
  id: 'assistant',
  name: 'Assistant',
  instructions: 'You are a helpful assistant',
  model: 'openai/gpt-5'
});

// Basic generate with options
const response = await agent.generate('Hello', {
  maxSteps: 5,
  temperature: 0.7,
  memory: {
    thread: 'thread-123',
    resource: 'user-456'
  }
});

// Stream with callbacks
const stream = await agent.stream('Write a story', {
  onChunk: (chunk) => {
    if (chunk.type === 'text-delta') {
      process.stdout.write(chunk.textDelta);
    }
  },
  onFinish: (result) => {
    console.log('Finished:', result.text);
  }
});

// Structured output
const userSchema = z.object({
  name: z.string(),
  age: z.number(),
  email: z.string().email()
});

const result = await agent.generate('Extract user info from: John Doe, 30, john@example.com', {
  structuredOutput: {
    schema: userSchema
  }
});
console.log(result.object); // { name: 'John Doe', age: 30, email: 'john@example.com' }