Add handwritten appointments to calendar and file PDFs
Observed in the wild: the someone writing about it describes building a personal agent rather than relying on a chat subscription. It reads a photo of a handwritten appointment and adds it to a calendar, searches the web, and locates an email with a PDF and files it in a local paperless instance. The someone writing about it calls it easy to build and says flash models are more than enough for simple agent tasks.
- Agent or tool
- Custom agent
- Topic
- Personal Assistant
- Reported on
- Hacker News
- Added
- 2026-10-15
Why it matters
This is the classic promise of AI agents: a helper that handles errands and reminders on your behalf. Real cases like this show how close that promise is today. It is one of 50 sightings filed under Personal Assistant on Agent Sightings (number 21 by interest), and one of 182 involving Custom agent.
How you could try it
Here is a reusable prompt, written by us in our own words, that captures the task. Paste it into your own agent or any similar agent and adjust the details to your situation.
Assistant mode: add handwritten appointments to calendar and file PDFs. Log every action, prefer reversible steps, and ask before emailing, paying, or deleting.
Tip: Start small: run it once on a low-stakes example, read what the agent did, and only then let it run on real work.
Source
Read the original first-hand account on Hacker News: https://news.ycombinator.com/item?id=49627493. Our summary is a paraphrase; details are in the source.