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Voice Calls, SMS, and WhatsApp for Claude Code with cross-channel context sharing.
npx @getmcp/cli add io.github.sns45/better-call-claudeRequires Node.js 18+. Community-contributed server. Review source before installing.
BETTERCALLCLAUDE_PHONE_PROVIDERPhone provider: 'twilio' or 'telnyx'
BETTERCALLCLAUDE_PHONE_NUMBERYour phone number in E.164 format
BETTERCALLCLAUDE_PHONE_ACCOUNT_SIDTwilio Account SID or Telnyx API Key
BETTERCALLCLAUDE_PHONE_AUTH_TOKENTwilio Auth Token or Telnyx API Secret
BETTERCALLCLAUDE_USER_PHONE_NUMBERYour personal phone number in E.164 format (for outbound calls/SMS)
BETTERCALLCLAUDE_OPENAI_API_KEYOpenAI API key for speech-to-text (Whisper) and text-to-speech
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.sns45/better-call-claude": {
"command": "npx",
"args": [
"-y",
"better-call-claude"
],
"env": {
"BETTERCALLCLAUDE_PHONE_PROVIDER": "",
"BETTERCALLCLAUDE_PHONE_NUMBER": "",
"BETTERCALLCLAUDE_PHONE_ACCOUNT_SID": "",
"BETTERCALLCLAUDE_PHONE_AUTH_TOKEN": "",
"BETTERCALLCLAUDE_USER_PHONE_NUMBER": "",
"BETTERCALLCLAUDE_OPENAI_API_KEY": "",
"BETTERCALLCLAUDE_WHATSAPP_NUMBER": "",
"BETTERCALLCLAUDE_PORT": "",
"TAILSCALE_HOSTNAME": "",
"BETTERCALLCLAUDE_WHATSAPP_PROVIDER": "",
"BETTERCALLCLAUDE_BAILEYS_AUTH_DIR": "",
"BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE": ""
}
}
}
}