Assistable for ChatGPT
ai.assistable/assistable
Give any AI agent a phone: make and answer calls, get through phone menus, and send texts.
client:ChatGPT
transport:streamable-http
tools:16
Install Assistable in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://api.assistable.ai/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs