Using Paperless-ngx via MCP with Claude or ChatGPT

I recently got my documents in order with Paperless-NGX. It’s been on my todo list for years, but I mistakenly believed I would need a document scanner to make effective use of Paperless. Not so! Mobile camera scanning is pretty good, and so far I prefer the QuickScan app. Almost immediately, I wanted an MCP connector. There are over 50 of them on github, so I thought I could stand up a server, protect it with token auth, and plug it into the claude app. Not so fast, bub. You need Oauth 2.0 Custom MCP with Claude.ai or ChatGPT For the sake of this post, I’m going to refer to Claude, but everything here applies to ChatGPT as well. We’re talking about Claude.ai (or the mobile app) but not Claude code. Note I do not use selfhosted AI tools like openclaw or hermes. If you do, any of the 50 existing options will work for you. I want to use my paperless data with Claude. It requires that MCP servers, called “Connectors” in Claude, or “Plugins” in ChatGPT, run behind Oauth 2.0. Crucially,…