Usage Lab for ChatGPT
dev.pages.usage-lab/usage-lab
Record idempotent usage events and read monthly per-customer rollups (Usage Lab metering API).
client:ChatGPT
transport:streamable-http
tools:6
Install Usage Lab in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://usage-lab.pages.dev/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs