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Crixin Voice

Official registry Media and design

Give your AI a real phone: place calls, send SMS, fetch recordings and transcripts. Local or hosted.

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http crixin-voice 'https://crixin-platform.vercel.app/api/mcp' --header 'Authorization: <Bearer crx_live_… key from the Crixin dashboard.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "crixin-voice": {
            "type": "http",
            "url": "https://crixin-platform.vercel.app/api/mcp",
            "headers": {
                "Authorization": "<Bearer crx_live_… key from the Crixin dashboard.>"
            }
        }
    }
}
NPM package crixin
Claude Code 
claude mcp add crixin-voice -e 'CRIXIN_API_KEY=<your crixin_api_key>' -e 'TWILIO_ACCOUNT_SID=<TWILIO_ACCOUNT_SID>' -e 'TWILIO_AUTH_TOKEN=<your twilio_auth_token>' -e 'TWILIO_PHONE_NUMBER=<TWILIO_PHONE_NUMBER>' -e 'DEEPGRAM_API_KEY=<your deepgram_api_key>' -- npx -y crixin@0.7.2 voice mcp
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "crixin-voice": {
            "command": "npx",
            "args": [
                "-y",
                "crixin@0.7.2",
                "voice",
                "mcp"
            ],
            "env": {
                "CRIXIN_API_KEY": "<your crixin_api_key>",
                "TWILIO_ACCOUNT_SID": "<TWILIO_ACCOUNT_SID>",
                "TWILIO_AUTH_TOKEN": "<your twilio_auth_token>",
                "TWILIO_PHONE_NUMBER": "<TWILIO_PHONE_NUMBER>",
                "DEEPGRAM_API_KEY": "<your deepgram_api_key>"
            }
        }
    }
}

Environment variables

  • CRIXIN_API_KEY secret Crixin platform key (crx_live_…). Set this for hosted mode — no Twilio account needed.
  • TWILIO_ACCOUNT_SID Bring-your-own-Twilio mode: account SID.
  • TWILIO_AUTH_TOKEN secret Bring-your-own-Twilio mode: auth token.
  • TWILIO_PHONE_NUMBER Bring-your-own-Twilio mode: caller number in E.164.
  • DEEPGRAM_API_KEY secret Optional in BYO mode — enables transcribe_call locally.

Frequently asked questions

What is Crixin Voice?

Give your AI a real phone: place calls, send SMS, fetch recordings and transcripts. Local or hosted.

How do I install Crixin Voice?

It runs as a remote server. In Claude Code: claude mcp add --transport http crixin-voice 'https://crixin-platform.vercel.app/api/mcp' --header 'Authorization: <Bearer crx_live_… key from the Crixin dashboard.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Crixin Voice need an API key?

Yes. It expects CRIXIN_API_KEY, TWILIO_AUTH_TOKEN, DEEPGRAM_API_KEY, Authorization, which you set in its configuration.

Is Crixin Voice open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Crixin Voice?

It is published by THELAZIZAGROUP. AI.tn lists it but does not maintain or endorse it.

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