pref0 + Mastra

import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const PREF0_API = "https://api.pref0.com";
const PREF0_KEY = process.env.PREF0_API_KEY!;

async function getPreferences(userId: string) {
  const res = await fetch(`${PREF0_API}/v1/profiles/${userId}`, {
    headers: { Authorization: `Bearer ${PREF0_KEY}` },
  });
  const { preferences = [] } = await res.json();
  return preferences
    .filter((p: any) => p.confidence >= 0.5)
    .map((p: any) => `- ${p.key}: ${p.value}`)
    .join("\n");
}

const learned = await getPreferences("user_abc123");

const agent = new Agent({
  name: "Coding Assistant",
  instructions: `You are a helpful coding assistant.

Learned user preferences:
${learned}`,
  model: openai("gpt-4o"),
});

const response = await agent.generate("Set up a new project for me");