Mastra

import { openai } from "@ai-sdk/openai";
import { Agent } from "@mastra/core/agent";
import { Mastra } from "@mastra/core/mastra";
import { BraintrustExporter } from "@mastra/braintrust";
 
const agent = new Agent({
  name: "Demo Assistant",
  instructions: "You help with geography. Be accurate and helpful.",
  model: openai("gpt-4o-mini"),
});
 
const mastra = new Mastra({
  agents: { agent },
  observability: {
    configs: {
      braintrust: {
        serviceName: "demo-project",
        exporters: [
          new BraintrustExporter({
            apiKey: process.env.BRAINTRUST_API_KEY,
            endpoint: process.env.BRAINTRUST_API_URL,
            projectName: process.env.PROJECT_NAME,
          }),
        ],
      },
    },
  },
});
 
async function main() {
  const agent = mastra.getAgent("agent");
  if (!agent) {
    throw new Error("agent not found");
  }
 
  const response = await agent.generateVNext("What's the capital of France?");
  console.log("response:", response.text);
}
 
main();