What I Built: I built a newsletter automation in Claude Code that researches a topic, generates AI infographics, creates a styled HTML email with Jinja2, and sends it through the Gmail API. My first end-to-end newsletter focused on Epigenetics and longevity. One Thing That Clicked: Debugging Gmail. I had a bunch of problems setting up the API. This taught me to isolate one variable at a time rather than making random changes. After a few tries, I discovered I was authenticated with an account that didn't actually have a Gmail mailbox.😅 One Thing I’d Improve Create a schedule that sends me the newsletter, maybe every Monday, and include a random factor to pick topics I am interested in (AI, Cybersecurity, Health, Manga, Baseball). TIP: Every time I am using AI to generate things, I wish I could understand more, so I can talk deeply about them. I always tell Claude to generate a Learn folder and to add 10 things I should learn from this project. Sometimes, I even ask to look for a good YouTube video <10 min and add the link for me to view.