Onthisday for ChatGPT

io.github.pipeworx-io/onthisday

On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)

client:ChatGPT transport:streamable-http

Install Onthisday in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://gateway.pipeworx.io/onthisday/mcp

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