---
title: 'A writing agent with Durable Objects'
summary: 'Writing Practice is a small example of using a Durable Object for persistent agent work.'
publishedAt: 2026-08-12
updatedAt: 2026-08-13
readingTime: 1 min read
tags: durable-objects, celld, writing-tools, ai-agents
featured: true
---

[Writing Practice](https://writing.krasnoperov.me) uses one Durable Object per piece to keep its draft, notes, and background agent work together. It runs with `celld` on a Hetzner server; the video shows the workflow in practice.

```video
/media/celld/writing-practice-on-celld.mp4
/media/celld/writing-practice-on-celld-poster.jpg
Writing Practice on celld
```

[Source code](https://github.com/krasnoperov/celld-writing-practice)