Macfax for ChatGPT

com.macfax/macfax

Used-Mac market: quality-gated listings with deep links, asking-price stats, trust checks, alerts.

client:ChatGPT transport:streamable-http tools:7

Install Macfax in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://macfax.com/mcp

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