Myvariant MCP Server: Install & Setup

Install Myvariant in Claude Code

Claude Code

claude mcp add myvariant -- npx -y myvariant-mcp

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

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

Frequently asked questions

What does the Myvariant MCP server do?

MyVariant.info variant annotation API.

Is the Myvariant MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Myvariant run locally or remotely?

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

How do I add Myvariant to Claude Code?

Run: claude mcp add myvariant -- npx -y myvariant-mcp

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