Issue 03Notes

Field notes

Long-form notes on AI agents, LLM systems and full-stack engineering.

All posts3 posts

  1. 28 Sep 20268 min read
    Domain-Driven Design

    Entities your agent can't break

    These days an agent writes a good chunk of your domain code, and it takes whatever path the code leaves open. How to model creating and restoring entities in TypeScript, with classes, so the wrong shortcut doesn't even compile.

  2. 8 Feb 20243 min read
    Transactional Email

    Usend: Send Emails for Free with JavaScript

    Explore a free service that offers seamless integration for sending emails in Node.js applications. With features like simple integration, flexibility, DKIM security, and vendor support, Usend provides a cost-effective solution for developers. Learn how to get started and enhance your email communication effortlessly.

Next issuesComing up
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  4. Your agent doesn't need the passwordSecurity

The art of creating

  • A wide-eyed man hugging an old keyboard, a mouse and a tangle of cables
  • A man in an astronaut helmet lit in green, looking up
  • A man jumping in a field with his arms open, phone in hand
  • A person in a horse mask celebrating with a phone
  • A skeleton wearing a VR headset
  • An astronaut sitting on a stairway, busy with a tablet