feat: add get_activities and get_activity_details tools

server.py

@@ -100,6 +100,36 @@ def complete_mfa(code: str) -> str:
         return "Timed out waiting for authentication to complete."
 
 
+@mcp.tool()
+def get_activities(start_date: str = "", end_date: str = "", limit: int = 20) -> str:
+    """List Garmin activities between two dates (YYYY-MM-DD). Defaults to today."""
+    if err := _check_auth():
+        return err
+    start = start_date or _today()
+    end = end_date or _today()
+    try:
+        result = _client.get_activities_by_date(start, end)
+        return json.dumps(result[:limit], indent=2)
+    except GarminConnectAuthenticationError:
+        return "Authentication error. Call authenticate() again."
+    except Exception as exc:
+        return f"Error fetching activities: {exc}"
+
+
+@mcp.tool()
+def get_activity_details(activity_id: str) -> str:
+    """Get full details for a single activity by its ID (splits, laps, metrics)."""
+    if err := _check_auth():
+        return err
+    try:
+        result = _client.get_activity_details(activity_id)
+        return json.dumps(result, indent=2)
+    except GarminConnectAuthenticationError:
+        return "Authentication error. Call authenticate() again."
+    except Exception as exc:
+        return f"Error fetching activity details: {exc}"
+
+
 if __name__ == "__main__":
     _startup_login()
     mcp.run()