mohitbadwal/ringback

Overview

This tool provides MCP servers that let an AI agent call your phone for live, interruptible voice conversations. It uses free self-hosted components (pjsua2, whisper.cpp, Linphone) and requires no paid telephony or extra API keys. Tiered alerts allow escalating urgency levels.

Best for

Best for
Developers who need a free, self-hosted way for their AI agent to make live phone calls.

Use cases

• Enable your AI assistant to call you with time-sensitive alerts
• Create interruptible voice interactions for real-time agent feedback
• Build a self-hosted voice notification system without recurring costs

Notes

This tool provides MCP servers that let an AI agent call your phone for live, interruptible voice conversations. It uses free self-hosted components (pjsua2, whisper.cpp, Linphone) and requires no paid telephony or extra API keys. Tiered alerts allow escalating urgency levels.

3 stars on GitHub. Last updated 2026-06-06. Licensed Apache-2.0.

Use cases

• Enable your AI assistant to call you with time-sensitive alerts
• Create interruptible voice interactions for real-time agent feedback
• Build a self-hosted voice notification system without recurring costs

Pros

• Fully self-hosted and free with no paid telephony dependencies
• Interruptible calls allow natural back-and-forth communication
• Uses well-known open-source components (whisper.cpp, Linphone)

Cons

• Requires significant setup and maintenance of multiple self-hosted services
• Low GitHub stars suggest limited community support and maturing codebase
• Voice call quality depends on your own SIP infrastructure and hardware

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.