better-call-claude — MCP Server 安装配置（官方 MCP Registry）

{
  "id": "io.github.sns45/better-call-claude",
  "type": "mcp-server",
  "version": "3.1.3",
  "displayName": "better-call-claude",
  "description": "Voice Calls, SMS, and WhatsApp for Claude Code with cross-channel context sharing.",
  "repository": {
    "url": "https://github.com/sns45/better-call-claude",
    "source": "github"
  },
  "distribution": {
    "packages": [
      {
        "registryType": "npm",
        "identifier": "better-call-claude",
        "version": "3.1.3",
        "transport": "stdio",
        "environmentVariables": [
          {
            "name": "BETTERCALLCLAUDE_PHONE_PROVIDER",
            "description": "Phone provider: 'twilio' or 'telnyx'",
            "isRequired": true
          },
          {
            "name": "BETTERCALLCLAUDE_PHONE_NUMBER",
            "description": "Your phone number in E.164 format",
            "isRequired": true
          },
          {
            "name": "BETTERCALLCLAUDE_PHONE_ACCOUNT_SID",
            "description": "Twilio Account SID or Telnyx API Key",
            "isRequired": true,
            "isSecret": true
          },
          {
            "name": "BETTERCALLCLAUDE_PHONE_AUTH_TOKEN",
            "description": "Twilio Auth Token or Telnyx API Secret",
            "isRequired": true,
            "isSecret": true
          },
          {
            "name": "BETTERCALLCLAUDE_USER_PHONE_NUMBER",
            "description": "Your personal phone number in E.164 format (for outbound calls/SMS)",
            "isRequired": true
          },
          {
            "name": "BETTERCALLCLAUDE_OPENAI_API_KEY",
            "description": "OpenAI API key for speech-to-text (Whisper) and text-to-speech",
            "isRequired": true,
            "isSecret": true
          },
          {
            "name": "BETTERCALLCLAUDE_WHATSAPP_NUMBER",
            "description": "WhatsApp number if different from phone number (e.g., Twilio Sandbox)"
          },
          {
            "name": "BETTERCALLCLAUDE_PORT",
            "description": "Local HTTP server port"
          },
          {
            "name": "TAILSCALE_HOSTNAME",
            "description": "Override Tailscale hostname for webhook URL"
          },
          {
            "name": "BETTERCALLCLAUDE_WHATSAPP_PROVIDER",
            "description": "WhatsApp provider: set to 'baileys' for free WhatsApp via WebSocket (no Twilio needed)"
          },
          {
            "name": "BETTERCALLCLAUDE_BAILEYS_AUTH_DIR",
            "description": "Path to Baileys auth state directory (default: data/baileys-auth)"
          },
          {
            "name": "BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE",
            "description": "Max WhatsApp chat history messages to retain (default: 50)"
          }
        ]
      }
    ],
    "remotes": []
  },
  "dependencies": [],
  "installTargets": [
    "claude-code",
    "claude-desktop",
    "cursor",
    "vscode",
    "trae",
    "cherry-studio",
    "lingma",
    "windsurf",
    "cline",
    "workbuddy"
  ],
  "keywords": [],
  "provenance": {
    "origin": "official-mcp-registry",
    "originalId": "io.github.sns45/better-call-claude",
    "originalUrl": "https://registry.modelcontextprotocol.io/v0.1/servers/io.github.sns45%2Fbetter-call-claude/versions/latest",
    "isOfficial": true,
    "status": "active"
  }
}