The easiest way to add this server to Claude Desktop is via the .dxt Desktop Extension file — no JSON editing required.
Download and install
Download the latest garmin-mcp.dxt from the Releases page.
Drag the .dxt file into the Claude Desktop window, or double-click it, or go to Settings → Extensions → Install Extension and select the file.
Claude Desktop will prompt you for optional configuration (token path, email, password).