Krystal Voice Caller

About Krystal Voice Caller

Use Krystal Voice Caller with your agent

claude mcp add krystal-voice-caller -- uvx kvc-mcp

{
  "mcpServers": {
    "krystal-voice-caller": {
      "command": "uvx",
      "args": [
        "kvc-mcp"
      ]
    }
  }
}

Frequently asked questions

What is Krystal Voice Caller?

Krystal Voice Caller is an MCP (Model Context Protocol) server by krystalunity in the Autonomous Agents category. Drive a Krystal Voice Caller tenant from Claude, Cursor, or any MCP-aware agent.

How do I connect Krystal Voice Caller to Claude, Cursor, or another MCP client?

Install Krystal Voice Caller from its pypi package (kvc-mcp) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is Krystal Voice Caller open source?

Yes — the source code is public at github.com/krystalunity/kvc-mcp.

Can AI agents pay to use Krystal Voice Caller?

Not yet through Loomal — Krystal Voice Caller is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.