Simon Willison’s Weblog

Agentic Engineering Patterns >

Adding a new content type to my blog-to-newsletter tool

Here's an example of a deceptively short prompt that got a lot of work done in a single shot.

First, some background. I send out a free Substack newsletter around once a week containing content copied-and-pasted from my blog. I'm effectively using Substack as a lightweight way to allow people to subscribe to my blog via email.

I generate the newsletter with my blog-to-newsletter tool - an HTML and JavaScript app that fetches my latest content from this Datasette instance and formats it as rich text HTML, which I can then copy to my clipboard and paste into the Substack editor. Here's a detailed explanation of how that works. [... 900 words]

# 3:15 am / ai, llms, prompt-engineering, coding-agents, ai-assisted-programming, generative-ai, agentic-engineering, github