Better Call Claude MCP Server: Install & Setup

Install Better Call Claude in Claude Code

Claude Code

claude mcp add better-call-claude -e BETTERCALLCLAUDE_PHONE_PROVIDER=... -e BETTERCALLCLAUDE_PHONE_NUMBER=... -e BETTERCALLCLAUDE_PHONE_ACCOUNT_SID=... -e BETTERCALLCLAUDE_PHONE_AUTH_TOKEN=... -e BETTERCALLCLAUDE_USER_PHONE_NUMBER=... -e BETTERCALLCLAUDE_OPENAI_API_KEY=... -- npx -y better-call-claude

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "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": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Better Call Claude MCP server do?

Voice Calls, SMS, and WhatsApp for Claude Code with cross-channel context sharing.

Is the Better Call Claude MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Better Call Claude run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Better Call Claude to Claude Code?

Run: claude mcp add better-call-claude -e BETTERCALLCLAUDE_PHONE_PROVIDER=... -e BETTERCALLCLAUDE_PHONE_NUMBER=... -e BETTERCALLCLAUDE_PHONE_ACCOUNT_SID=... -e BETTERCALLCLAUDE_PHONE_AUTH_TOKEN=... -e BETTERCALLCLAUDE_USER_PHONE_NUMBER=... -e BETTERCALLCLAUDE_OPENAI_API_KEY=... -- npx -y better-call-claude

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