nylas for ChatGPT

io.usefulapi/nylas

MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.

client:ChatGPT transport:streamable-http

Install nylas in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://nylas.usefulapi.io/mcp

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