AgentLine for ChatGPT

io.github.agentlinehq/agentline

Give AI agents a phone number. Voice calls, SMS, and phone number management for MCP clients.

client:ChatGPT transport:streamable-http

Install AgentLine in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.agentline.cloud/mcp

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