LocalFree server, account needed

Handset UI MCP server

handset-hq/handset-ui

A business phone system for AI agents: send texts, place calls, read transcripts, buy numbers.

1 GitHub stars

Install Handset UI in Claude Code

Claude Code
claude mcp add handset-ui -e HANDSET_API_KEY=... -- npx -y @handset/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "handset-ui": {
      "command": "npx",
      "args": [
        "-y",
        "@handset/mcp"
      ],
      "env": {
        "HANDSET_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Handset UI MCP server do?

A business phone system for AI agents: send texts, place calls, read transcripts, buy numbers.

Is the Handset UI 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 Handset UI run locally or remotely?

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

How do I add Handset UI to Claude Code?

Run: claude mcp add handset-ui -e HANDSET_API_KEY=... -- npx -y @handset/mcp

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