The List Access for ChatGPT

nl.thelistaccess/events

Search the public Dutch event calendar by artist, city, venue, genre and date. Read-only.

client:ChatGPT transport:streamable-http tools:1

Install The List Access in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://thelistaccess.nl/api/mcp

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