ThunderPhone MCP Server: Install & Setup

Install ThunderPhone in Claude Code

Remote URL

Claude Code

claude mcp add --transport http thunderphone https://api.thunderphone.com/v1/mcp

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

{
  "mcpServers": {
    "thunderphone": {
      "url": "https://api.thunderphone.com/v1/mcp"
    }
  }
}

Your client opens a browser window to sign in on first use.

npm

Claude Code

claude mcp add thunderphone -- npx -y @thunderphone/mcp

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

{
  "mcpServers": {
    "thunderphone": {
      "command": "npx",
      "args": [
        "-y",
        "@thunderphone/mcp"
      ]
    }
  }
}

Frequently asked questions

What does the ThunderPhone MCP server do?

Build, test and run AI phone agents: numbers, inbound and outbound calls, campaigns and transcripts.

Is the ThunderPhone 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 ThunderPhone run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add ThunderPhone to Claude Code?

Run: claude mcp add --transport http thunderphone https://api.thunderphone.com/v1/mcp

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