diff --git a/.docforge/contribute.yaml b/.docforge/contribute.yaml
index e01ab6d03..13135b1c0 100644
--- a/.docforge/contribute.yaml
+++ b/.docforge/contribute.yaml
@@ -127,6 +127,26 @@ structure:
         - dir: development
           structure:
           - fileTree: https://github.com/gardener/gardener-extension-provider-openstack/tree/master/docs/development
+      - dir: gardener-extension-provider-ironcore
+        structure:
+        - file: _index.md
+          frontmatter:
+            title: Provider IronCore
+            description: Developer documentation for the IronCore cloud provider extension
+          source: https://github.com/ironcore-dev/gardener-extension-provider-ironcore/blob/main/README.md
+        - dir: development
+          structure:
+          - fileTree: https://github.com/ironcore-dev/gardener-extension-provider-ironcore/tree/main/docs/development
+      - dir: gardener-extension-provider-ironcore-metal
+        structure:
+        - file: _index.md
+          frontmatter:
+            title: Provider IronCore Metal
+            description: Developer documentation for the IronCore Metal API cloud provider extension
+          source: https://github.com/ironcore-dev/gardener-extension-provider-ironcore-metal/blob/main/README.md
+        - dir: development
+          structure:
+          - fileTree: https://github.com/ironcore-dev/gardener-extension-provider-ironcore-metal/tree/main/docs/development
     - dir: gardener-extension-shoot-dns-service
       structure:
       - file: _index.md
diff --git a/.docforge/documentation/gardener-extensions/infrastructure.yaml b/.docforge/documentation/gardener-extensions/infrastructure.yaml
index 80cb6aad1..907b56649 100644
--- a/.docforge/documentation/gardener-extensions/infrastructure.yaml
+++ b/.docforge/documentation/gardener-extensions/infrastructure.yaml
@@ -53,6 +53,33 @@ structure:
   - fileTree: https://github.com/gardener/gardener-extension-provider-openstack/tree/master/docs
     excludeFiles:
       - "development/"
+- dir: gardener-extension-provider-ironcore
+  structure:
+  - file: _index.md
+    frontmatter:
+      title: Provider IronCore
+      description: Gardener extension controller for the IronCore cloud provider
+    source: https://github.com/ironcore-dev/gardener-extension-provider-ironcore/blob/main/README.md
+  - fileTree: https://github.com/ironcore-dev/gardener-extension-provider-ironcore/tree/main/docs
+    excludeFiles:
+      - "development/"
+- dir: gardener-extension-provider-ironcore-metal
+  structure:
+  - file: _index.md
+    frontmatter:
+      title: Provider IronCore Metal
+      description: Gardener extension controller for the IronCore Metal API cloud provider
+    source: https://github.com/ironcore-dev/gardener-extension-provider-ironcore-metal/blob/main/README.md
+  - fileTree: https://github.com/ironcore-dev/gardener-extension-provider-ironcore-metal/tree/main/docs
+    excludeFiles:
+      - "development/"
+- dir: gardener-extension-provider-metal
+  structure:
+  - file: _index.md
+    frontmatter:
+      title: Provider metal-stack
+      description: Gardener extension controller for the metal-stack cloud provider
+    source: https://github.com/metal-stack/gardener-extension-provider-metal/blob/master/README.md
 - dir: gardener-extension-provider-stackit
   structure:
   - file: _index.md