Agent SDKLightweight AI Agent Framework

import { createSmartAgent, createTool, fromLangchainModel } from "@cognipeer/agent-sdk";
import { ChatOpenAI } from "@langchain/openai";
import { z } from "zod";

// Define a simple tool
const echo = createTool({
  name: "echo",
  description: "Echo back the input text",
  schema: z.object({ text: z.string().min(1) }),
  func: async ({ text }) => ({ echoed: text }),
});

// Create model adapter
const model = fromLangchainModel(new ChatOpenAI({
  model: "gpt-4o-mini",
  apiKey: process.env.OPENAI_API_KEY,
}));

// Create smart agent with planning
const agent = createSmartAgent({
  name: "Assistant",
  model,
  tools: [echo],
  useTodoList: true,
  limits: { maxToolCalls: 5, maxToken: 6000 },
  tracing: { enabled: true },
});

// Run the agent
const result = await agent.invoke({
  messages: [{ 
    role: "user", 
    content: "Plan a greeting and send it via the echo tool" 
  }],
});

console.log(result.content);

const agent = createSmartAgent({
  model,
  tools,
  useTodoList: true, // Enable planning mode
});

const agent = createSmartAgent({
  model,
  tools,
  outputSchema: z.object({
    summary: z.string(),
    items: z.array(z.string()),
  }),
});

const result = await agent.invoke({ messages });
console.log(result.output); // Parsed structured output

const specialist = createSmartAgent({ name: "Specialist", model, tools });
const coordinator = createSmartAgent({
  name: "Coordinator",
  model,
  tools: [specialist.asTool({ toolName: "delegate_to_specialist" })],
});