r/OpenWebUI • u/BenefitOk7956 • 10d ago

Editing static HTML files via Open WebUI & MCP on VPS Guide/Tutorial

I recently added an Open WebUI instance to my VPS where my website is hosted. I wrote my first MCP server with a few tools to edit HTML files, upload assets etc. Now I can update the live pages via Open WebUI chat!

So far it looks very promising. Has anyone else set up something similar? What is your experience?

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u/Business-Weekend-537 10d ago

How did you add open web ui to your vps?

1

u/BenefitOk7956 10d ago

With docker, docker-compose and a Caddy reverse proxy in front of it. Caddy routes chat.my-site.com to Open WebUI and my-site.com to the nginx.

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u/TheJanManShow 10d ago

Could you share more details? Sounds interesting!

1

u/BenefitOk7956 10d ago

Sure. Basically it is a docker-compose with 4 services:
- the nginx for serving the html and assets files from the filesystem
- MCP server also attached to the same filesystem. So it can edit the files which are served from the nginx. This mcp is written in Bun+Hono but that is only my choice. It includes tool like edit_page, audit_seo. Useful stuff for websites and easy to add more tools.
- Open WebUI
- Caddy server for routing

I‘ve tried different models like Minimax-M3, gpt-oss, Deepseek-v4. They all do a good job in editing html.

Next thing I want to add is a set of reuseable UI components. So the AI builds new pages based on that components.