Voicemode MCP Server

VoiceMode enables natural voice conversations with Claude Code. Voice isn't about replacing typing - it's about being available when typing isn't.

Local serverstdioPython

What is the Voicemode MCP server?

VoiceMode enables natural voice conversations with Claude Code. Voice isn't about replacing typing - it's about being available when typing isn't. Exposed over MCP by the voicemode mcp server, that capability becomes something an assistant can invoke while it works, not something you go and do afterwards.

What it actually does

  • Natural conversations — - speak naturally, hear responses immediately
  • Works offline — - optional local voice services (Whisper STT, Kokoro TTS)
  • Low latency — - fast enough to feel like a real conversation
  • Smart silence detection — - stops recording when you stop speaking
  • Privacy options — - run entirely locally or use cloud services

Its toolset

Everything the assistant can do here goes through one of these:

  • macOS — The macOS tool exposed by this server
  • NixOS — The NixOS tool exposed by this server

Adding it to your client

voice-mode-install on PyPI is all you need. Most clients run it directly, so configuration is a few lines and a restart.

Configuration

You will need 2 environment variables: OPENAI_API_KEY, VOICEMODE_SAVE_AUDIO. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

When to reach for it

Plenty of AI and media services servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Voicemode's toolset — macOS, NixOS — is a fair guide to whether it matches your workflow. It is maintained by mbailey; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Caveats

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the voicemode mcp server does with a few real requests.

Available tools

ToolWhat it does
macOSThe macOS tool exposed by this server.
NixOSThe NixOS tool exposed by this server.

How to install the Voicemode MCP server

{
  "mcpServers": {
    "voicemode": {
      "command": "uvx",
      "args": ["voice-mode-install"],
      "env": {
        "OPENAI_API_KEY": "your-value",
        "VOICEMODE_SAVE_AUDIO": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
OPENAI_API_KEYCredential the server authenticates with.Yes
VOICEMODE_SAVE_AUDIOConfiguration value read at startup.Optional

Example prompts to try

  • Use Voicemode to macOS.
  • Use Voicemode to NixOS.

Frequently asked questions

It connects Voicemode to MCP-compatible AI assistants such as Claude and Cursor, exposing 2 tools (macOS, NixOS) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Voicemode directly.