OldWeb Diagnostics for ChatGPT

io.github.palthainon/oldweb-diagnostics

Public DNS, HTTPS and deployment checks, plus offline email header and delivery-log tracing.

client:ChatGPT transport:streamable-http tools:5

Install OldWeb Diagnostics in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.oldweb.tech/diagnostics/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs