Voice Calls, SMS, and WhatsApp for Claude Code with cross-channel context sharing.
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npx -y better-call-claude{
"BETTERCALLCLAUDE_PHONE_PROVIDER": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_PHONE_NUMBER": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_PHONE_ACCOUNT_SID": "YOUR_SECRET_VALUE",
"BETTERCALLCLAUDE_PHONE_AUTH_TOKEN": "YOUR_SECRET_VALUE",
"BETTERCALLCLAUDE_USER_PHONE_NUMBER": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_OPENAI_API_KEY": "YOUR_SECRET_VALUE",
"BETTERCALLCLAUDE_WHATSAPP_NUMBER": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_PORT": "YOUR_VALUE_HERE",
"TAILSCALE_HOSTNAME": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_WHATSAPP_PROVIDER": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_BAILEYS_AUTH_DIR": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE": "YOUR_VALUE_HERE"
}Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-sns45-better-call-claude": {
"command": "npx",
"args": [
"-y",
"better-call-claude"
],
"env": {
"BETTERCALLCLAUDE_PHONE_PROVIDER": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_PHONE_NUMBER": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_PHONE_ACCOUNT_SID": "YOUR_SECRET_VALUE",
"BETTERCALLCLAUDE_PHONE_AUTH_TOKEN": "YOUR_SECRET_VALUE",
"BETTERCALLCLAUDE_USER_PHONE_NUMBER": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_OPENAI_API_KEY": "YOUR_SECRET_VALUE",
"BETTERCALLCLAUDE_WHATSAPP_NUMBER": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_PORT": "YOUR_VALUE_HERE",
"TAILSCALE_HOSTNAME": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_WHATSAPP_PROVIDER": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_BAILEYS_AUTH_DIR": "YOUR_VALUE_HERE",
"BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE": "YOUR_VALUE_HERE"
}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
better-call-claude is an MCP server for Voice Calls, SMS, and WhatsApp for Claude Code with cross-channel context sharing.. It supports STDIO transport.
Use the generated config in Install. This server runs with npx -y better-call-claude; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for npx -y better-call-claude. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for npx -y better-call-claude. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for npx -y better-call-claude. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for npx -y better-call-claude. Add required environment variables before starting Cursor or VS Code.
better-call-claude uses STDIO transport. Use the package or command config in Install.
better-call-claude inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
better-call-claude is marked with Auth required by registry metadata auth. You may need provider login, an API key, a bearer token, or a session header.
| Package | Registry | Version | Inputs |
|---|---|---|---|
better-call-claudestdio | npm | 3.1.1 | Env: BETTERCALLCLAUDE_PHONE_PROVIDER required Env: BETTERCALLCLAUDE_PHONE_NUMBER required Env: BETTERCALLCLAUDE_PHONE_ACCOUNT_SID required secret Env: BETTERCALLCLAUDE_PHONE_AUTH_TOKEN required secret Env: BETTERCALLCLAUDE_USER_PHONE_NUMBER required Env: BETTERCALLCLAUDE_OPENAI_API_KEY required secret Env: BETTERCALLCLAUDE_WHATSAPP_NUMBER Env: BETTERCALLCLAUDE_PORT Env: TAILSCALE_HOSTNAME Env: BETTERCALLCLAUDE_WHATSAPP_PROVIDER Env: BETTERCALLCLAUDE_BAILEYS_AUTH_DIR Env: BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE |