Better Call Claude MCP

Enables voice-driven development by allowing Claude Code to communicate via phone calls, SMS, and WhatsApp. It supports inbound calls to start tasks, outbound callbacks for status updates, and cross-channel context sharing, allowing users to interact with their AI coding agent from any device.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by sns45

Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

Popularity 2 GitHub stars

What you can do with it

Start coding tasks via phone call
Receive callbacks when Claude needs input
Send and receive SMS messages with Claude
Manage sessions via WhatsApp

Source and maintenance

Community listingRegistry 3.1.3MIT

mcp-registry: io.github.sns45/better-call-claude@3.1.3 Source repository

Last repository push: Aug 28, 2026, 12:02 AM UTC
Latest release: v3.1.3
Maintenance checked: Nov 2, 2026, 3:14 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

better-call-claude 3.1.3

npm

better-call-claude package definition

{
  "version": "3.1.3",
  "transport": "stdio",
  "identifier": "better-call-claude",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "BETTERCALLCLAUDE_PHONE_PROVIDER",
      "format": "string",
      "isRequired": true,
      "description": "Phone provider: 'twilio' or 'telnyx'"
    },
    {
      "name": "BETTERCALLCLAUDE_PHONE_NUMBER",
      "format": "string",
      "isRequired": true,
      "description": "Your phone number in E.164 format"
    },
    {
      "name": "BETTERCALLCLAUDE_PHONE_ACCOUNT_SID",
      "format": "string",
      "isRequired": true,
      "description": "Twilio Account SID or Telnyx API Key"
    },
    {
      "name": "BETTERCALLCLAUDE_PHONE_AUTH_TOKEN",
      "format": "string",
      "isRequired": true,
      "description": "Twilio Auth Token or Telnyx API Secret"
    },
    {
      "name": "BETTERCALLCLAUDE_USER_PHONE_NUMBER",
      "format": "string",
      "isRequired": true,
      "description": "Your personal phone number in E.164 format (for outbound calls/SMS)"
    },
    {
      "name": "BETTERCALLCLAUDE_OPENAI_API_KEY",
      "format": "string",
      "isRequired": true,
      "description": "OpenAI API key for speech-to-text (Whisper) and text-to-speech"
    },
    {
      "name": "BETTERCALLCLAUDE_WHATSAPP_NUMBER",
      "format": "string",
      "description": "WhatsApp number if different from phone number (e.g., Twilio Sandbox)"
    },
    {
      "name": "BETTERCALLCLAUDE_PORT",
      "format": "string",
      "description": "Local HTTP server port"
    },
    {
      "name": "TAILSCALE_HOSTNAME",
      "format": "string",
      "description": "Override Tailscale hostname for webhook URL"
    },
    {
      "name": "BETTERCALLCLAUDE_WHATSAPP_PROVIDER",
      "format": "string",
      "description": "WhatsApp provider: set to 'baileys' for free WhatsApp via WebSocket (no Twilio needed)"
    },
    {
      "name": "BETTERCALLCLAUDE_BAILEYS_AUTH_DIR",
      "format": "string",
      "description": "Path to Baileys auth state directory (default: data/baileys-auth)"
    },
    {
      "name": "BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE",
      "format": "string",
      "description": "Max WhatsApp chat history messages to retain (default: 50)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

Nov 2, 2026, 3:14 PM UTC · repository · passed · metadata changed · updated
Nov 2, 2026, 3:14 PM UTC · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "better-call-claude-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "better-call-claude@3.1.3"
      ],
      "env": {
        "BETTERCALLCLAUDE_PHONE_PROVIDER": "<YOUR_BETTERCALLCLAUDE_PHONE_PROVIDER>",
        "BETTERCALLCLAUDE_PHONE_NUMBER": "<YOUR_BETTERCALLCLAUDE_PHONE_NUMBER>",
        "BETTERCALLCLAUDE_PHONE_ACCOUNT_SID": "<YOUR_BETTERCALLCLAUDE_PHONE_ACCOUNT_SID>",
        "BETTERCALLCLAUDE_PHONE_AUTH_TOKEN": "<YOUR_BETTERCALLCLAUDE_PHONE_AUTH_TOKEN>",
        "BETTERCALLCLAUDE_USER_PHONE_NUMBER": "<YOUR_BETTERCALLCLAUDE_USER_PHONE_NUMBER>",
        "BETTERCALLCLAUDE_OPENAI_API_KEY": "<YOUR_BETTERCALLCLAUDE_OPENAI_API_KEY>",
        "BETTERCALLCLAUDE_WHATSAPP_NUMBER": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_NUMBER>",
        "BETTERCALLCLAUDE_PORT": "<YOUR_BETTERCALLCLAUDE_PORT>",
        "TAILSCALE_HOSTNAME": "<YOUR_TAILSCALE_HOSTNAME>",
        "BETTERCALLCLAUDE_WHATSAPP_PROVIDER": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_PROVIDER>",
        "BETTERCALLCLAUDE_BAILEYS_AUTH_DIR": "<YOUR_BETTERCALLCLAUDE_BAILEYS_AUTH_DIR>",
        "BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "better-call-claude-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "better-call-claude@3.1.3"
      ],
      "env": {
        "BETTERCALLCLAUDE_PHONE_PROVIDER": "<YOUR_BETTERCALLCLAUDE_PHONE_PROVIDER>",
        "BETTERCALLCLAUDE_PHONE_NUMBER": "<YOUR_BETTERCALLCLAUDE_PHONE_NUMBER>",
        "BETTERCALLCLAUDE_PHONE_ACCOUNT_SID": "<YOUR_BETTERCALLCLAUDE_PHONE_ACCOUNT_SID>",
        "BETTERCALLCLAUDE_PHONE_AUTH_TOKEN": "<YOUR_BETTERCALLCLAUDE_PHONE_AUTH_TOKEN>",
        "BETTERCALLCLAUDE_USER_PHONE_NUMBER": "<YOUR_BETTERCALLCLAUDE_USER_PHONE_NUMBER>",
        "BETTERCALLCLAUDE_OPENAI_API_KEY": "<YOUR_BETTERCALLCLAUDE_OPENAI_API_KEY>",
        "BETTERCALLCLAUDE_WHATSAPP_NUMBER": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_NUMBER>",
        "BETTERCALLCLAUDE_PORT": "<YOUR_BETTERCALLCLAUDE_PORT>",
        "TAILSCALE_HOSTNAME": "<YOUR_TAILSCALE_HOSTNAME>",
        "BETTERCALLCLAUDE_WHATSAPP_PROVIDER": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_PROVIDER>",
        "BETTERCALLCLAUDE_BAILEYS_AUTH_DIR": "<YOUR_BETTERCALLCLAUDE_BAILEYS_AUTH_DIR>",
        "BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "better-call-claude-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "better-call-claude@3.1.3"
      ],
      "env": {
        "BETTERCALLCLAUDE_PHONE_PROVIDER": "<YOUR_BETTERCALLCLAUDE_PHONE_PROVIDER>",
        "BETTERCALLCLAUDE_PHONE_NUMBER": "<YOUR_BETTERCALLCLAUDE_PHONE_NUMBER>",
        "BETTERCALLCLAUDE_PHONE_ACCOUNT_SID": "<YOUR_BETTERCALLCLAUDE_PHONE_ACCOUNT_SID>",
        "BETTERCALLCLAUDE_PHONE_AUTH_TOKEN": "<YOUR_BETTERCALLCLAUDE_PHONE_AUTH_TOKEN>",
        "BETTERCALLCLAUDE_USER_PHONE_NUMBER": "<YOUR_BETTERCALLCLAUDE_USER_PHONE_NUMBER>",
        "BETTERCALLCLAUDE_OPENAI_API_KEY": "<YOUR_BETTERCALLCLAUDE_OPENAI_API_KEY>",
        "BETTERCALLCLAUDE_WHATSAPP_NUMBER": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_NUMBER>",
        "BETTERCALLCLAUDE_PORT": "<YOUR_BETTERCALLCLAUDE_PORT>",
        "TAILSCALE_HOSTNAME": "<YOUR_TAILSCALE_HOSTNAME>",
        "BETTERCALLCLAUDE_WHATSAPP_PROVIDER": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_PROVIDER>",
        "BETTERCALLCLAUDE_BAILEYS_AUTH_DIR": "<YOUR_BETTERCALLCLAUDE_BAILEYS_AUTH_DIR>",
        "BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "better-call-claude-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "better-call-claude@3.1.3"
      ],
      "env": {
        "BETTERCALLCLAUDE_PHONE_PROVIDER": "<YOUR_BETTERCALLCLAUDE_PHONE_PROVIDER>",
        "BETTERCALLCLAUDE_PHONE_NUMBER": "<YOUR_BETTERCALLCLAUDE_PHONE_NUMBER>",
        "BETTERCALLCLAUDE_PHONE_ACCOUNT_SID": "<YOUR_BETTERCALLCLAUDE_PHONE_ACCOUNT_SID>",
        "BETTERCALLCLAUDE_PHONE_AUTH_TOKEN": "<YOUR_BETTERCALLCLAUDE_PHONE_AUTH_TOKEN>",
        "BETTERCALLCLAUDE_USER_PHONE_NUMBER": "<YOUR_BETTERCALLCLAUDE_USER_PHONE_NUMBER>",
        "BETTERCALLCLAUDE_OPENAI_API_KEY": "<YOUR_BETTERCALLCLAUDE_OPENAI_API_KEY>",
        "BETTERCALLCLAUDE_WHATSAPP_NUMBER": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_NUMBER>",
        "BETTERCALLCLAUDE_PORT": "<YOUR_BETTERCALLCLAUDE_PORT>",
        "TAILSCALE_HOSTNAME": "<YOUR_TAILSCALE_HOSTNAME>",
        "BETTERCALLCLAUDE_WHATSAPP_PROVIDER": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_PROVIDER>",
        "BETTERCALLCLAUDE_BAILEYS_AUTH_DIR": "<YOUR_BETTERCALLCLAUDE_BAILEYS_AUTH_DIR>",
        "BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE": "<YOUR_BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE>"
      }
    }
  }
}

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