SendSeven Messaging for ChatGPT

com.sendseven/messaging

Unified messaging MCP server: WhatsApp, Instagram, Telegram, SMS, Messenger & email support inbox

client:ChatGPT transport:streamable-http

Install SendSeven Messaging in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.sendseven.com/mcp

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