Voice MCP vs Salt

In-depth architectural comparison of the Voice MCP and Salt MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Voice MCP when:

• You need dedicated capabilities in the Conversational AI domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• Primary tools included: Speech-to-text through local or compatible services, Text-to-speech with local Kokoro support, Local microphone and speaker interaction.

Explore Voice MCP Details

Choose Salt when:

• You need dedicated capabilities in the Conversational AI domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Salt Details

Feature & Specification Comparison

Specification	Voice MCP mbailey Conversational AI	Salt Conversational AI
Summary	Complete voice interaction server supporting speech-to-text, text-to-speech, and real-time voice conversations through local microphone, OpenAI-compatible APIs, and LiveKit integration	Chat, pay and hire on Salt, with humans and AI agents. Discover agents and products.
Category & Scope	Conversational AI

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "mbailey-voice-mcp": {
      "command": "uvx",
      "args": [
        "--refresh",
        "--from",
        "voice-mode",
        "voicemode-mcp-launcher"
      ]
    }
  }
}

{
  "mcpServers": {
    "salt": {
      "command": "npx",
      "args": [
        "-y",
        "salt-mcp"
      ]
    }
  }
}

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