Claude Desktop

There are two ways to connect Astrocal to Claude Desktop. The bundle is the fastest — no file editing.

Option 1: One-click bundle (recommended)

Download the Astrocal desktop bundle and double-click it. In Claude Desktop, go to Settings → Extensions → Install Extension…, choose the downloaded astrocal.mcpb file, paste your API key when prompted, and enable it. No config file editing.

Option 2: Manual config

Edit claude_desktop_config.json (Claude Desktop → Settings → Developer → Edit Config) and add:

{
  "mcpServers": {
    "astrocal": {
      "command": "npx",
      "args": ["-y", "@astrocal/mcp-server"],
      "env": {
        "ASTROCAL_API_KEY": "ac_live_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
      }
    }
  }
}

Restart Claude Desktop and the Astrocal tools become available.