البدء السريع

npx lousho init my-agent
cd my-agent
cp .env.example .env     # put your API key in .env
npm run dev              # chat with your agent in the terminal
npm test                 # offline tests: no API key needed

npm install @lousho/build-ai-agent ai@^7.0.0 zod
npm install @ai-sdk/openai@^4.0.0 @ai-sdk/anthropic@^4.0.0

import { createAgent } from '@lousho/build-ai-agent';

const agent = createAgent({ model: 'openai/gpt-4o-mini', instructions: 'You are a helpful assistant.' });
const { text } = await agent.send('Hello!');
console.log(text);

import { createAgent, createMockProvider } from '@lousho/build-ai-agent';

const agent = createAgent({
  instructions: 'You are a helpful assistant.',
  provider: createMockProvider({ responses: ['Hello! How can I help you today?'] }),
});

const result = await agent.send('Hi there');
console.log(result.text); // "Hello! How can I help you today?"

import { createAgent, createMockProvider, resolveProvider } from '@lousho/build-ai-agent';

const provider = process.env.OPENAI_API_KEY
  ? resolveProvider('openai/gpt-4o-mini')
  : createMockProvider({ responses: ['Paris.'] });

const agent = createAgent({
  name: 'geography-bot',
  prompt: 'Answer geography questions in one word.',
  provider,
});

const result = await agent.send('What is the capital of France?');
console.log(result.text);

import { createAgent, createMockProvider, defineTool } from '@lousho/build-ai-agent';
import { z } from 'zod';

const currentDate = defineTool({
  name: 'current_date',
  description: 'Get the current date',
  input: z.object({}),
  async execute() {
    return { date: new Date().toISOString().slice(0, 10) };
  },
});

const agent = createAgent({
  prompt: 'You are a scheduling assistant. Use tools when helpful.',
  provider: createMockProvider({ responses: ['Let me check.', 'Here is the date you asked for.'] }),
  tools: [currentDate],
});

const result = await agent.send('Please call current_date for me');
console.log(result.toolCalls.map((call) => call.function.name)); // [ 'current_date' ]
console.log(result.text);

import {
  AgentBuilder,
  AgentExecutor,
  createMockProvider,
} from '@lousho/build-ai-agent';

const agent = AgentBuilder.create()
  .setName('Customer Support Agent')
  .setPrompt('You are a helpful customer support assistant.')
  .build();

const events: string[] = [];
const result = await AgentExecutor.execute({
  agent,
  input: 'My order arrived damaged.',
  provider: createMockProvider({ responses: ["I'm sorry to hear that - what's your order number?"] }),
  maxSteps: 5,
  onAgentEvent: (event) => events.push(event.type),
});

console.log(result.text);
console.log(result.usage.totalTokens, result.finishReason, result.steps);
console.log(events); // includes 'run.start' and 'run.done'

import { specToAgent, agentSpecSchema } from '@lousho/build-ai-agent';

const spec = agentSpecSchema.parse({
  name: 'support-bot',
  prompt: 'You are a friendly support agent.',
  provider: { type: 'mock', model: 'mock-1' },
  tools: ['current-date'],
});

const agent = specToAgent(spec);
const result = await agent.send('Hello!');
console.log(result.text);

name: support-bot
prompt: You are a friendly support agent.
provider:
  type: mock
  model: mock-1
tools:
  - current-date

npx lousho dev agent.yaml
npx lousho build --target=node-server --agent=agent.yaml