SimplyRETS MCP by usefulapi for ChatGPT
io.usefulapi/simplyrets
Search SimplyRETS MLS listings and open houses; read listing and market analytics.
client:ChatGPT
transport:streamable-http
tools:10
Install SimplyRETS MCP by usefulapi in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://simplyrets.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