Aethis MCP Server: Install & Setup

Install Aethis in Claude Code

Claude Code

claude mcp add aethis -- npx -y aethis-mcp

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

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

Frequently asked questions

What does the Aethis MCP server do?

Deterministic eligibility decisions and test-driven rule authoring via the Aethis developer API.

Is the Aethis 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 Aethis run locally or remotely?

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

How do I add Aethis to Claude Code?

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

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