SimplyWarmup for ChatGPT

com.simplywarmup/simplywarmup

Hosted MCP server for inbox health, reporting, and warmup operations.

client:ChatGPT transport:streamable-http

Install SimplyWarmup in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://simplywarmup.com/mcp

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