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AgentOS — Product Spec & Implementation Blueprint

Reconstructed from Danny Postma's talk How I Built My Own AgentOS on Claude's Agent SDK (So You Can Too) (2026). This document is both a product spec for a human and an implementation prompt for an AI coding agent. Build exactly this system. Do not invent features that are not specified here.

Role contracts and prompts in this file are reconstructed from the talk, not his verbatim files. Mark every reconstructed prompt in code comments and docs as such.

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1. Goal and non-goals

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// app > api > webhook > stripe > js route.js -->

import { NextResponse } from 'next/server';
import { headers } from 'next/headers';
import Stripe from 'stripe';
import connectMongo from '@/libs/mongoose';
import User from '@models/User';

const stripe = new Stripe(process.env.STRIPE_SECRET_KEY);
const webhookSecret = process.env.STRIPE_WEBHOOK_SECRET;