diff --git a/extensions/extensions.json b/extensions/extensions.json
index d3d40ebe7..1c101cbdf 100644
--- a/extensions/extensions.json
+++ b/extensions/extensions.json
@@ -265,6 +265,19 @@
             "website": "https://t3lab.space/",
             "image": "",
             "dependencies": []
+        },
+        {
+            "builtin": "False",
+            "rocket_mode_compatible": "False",
+            "type": "extension",
+            "name": "Seed43",
+            "description": "Free Tools for automating repetitive Revit workflows, no subscriptions, no paywalls.",
+            "author": "Seed43",
+            "author_profile": "https://www.linkedin.com/company/seed43/",
+            "url": "https://github.com/Seed-43/Seed43.git",
+            "website": "https://seed43.org",
+            "image": "https://github.com/Seed-43/Seed43/blob/main/Seed43.png",
+            "dependencies": []
         }
     ]
 }