Manage Vercel AI SDK Prompt Templates Externally

import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
// Swap for @ai-sdk/anthropic, @ai-sdk/google, @ai-sdk/xai, etc.

async function fetchPrompt(role: string, task: string) {
  const res = await fetch(
    "https://www.promptforge-app.com/api/v1/prompts/your-prompt-id",
    {
      method: "POST",
      headers: {
        Authorization: "Bearer pfk_your_api_key",
        "Content-Type": "application/json",
      },
      body: JSON.stringify({
        version: "stable",
        variables: { role, task },
      }),
    }
  );
  const { content } = await res.json();
  return content as string;
}

// 1. Fetch versioned system prompt from PromptForge
const system = await fetchPrompt("support agent", "billing inquiries");

// 2. Pass to any AI SDK provider — model swap does not touch prompt management
const { text } = await generateText({
  model: openai("gpt-4o"),
  system,
  prompt: "A customer says they were double-charged. How do I help?",
});

console.log(text);