diff --git a/otterdog/eclipse-mat.jsonnet b/otterdog/eclipse-mat.jsonnet
new file mode 100644
index 0000000..ccf8c59
--- /dev/null
+++ b/otterdog/eclipse-mat.jsonnet
@@ -0,0 +1,51 @@
+local orgs = import 'vendor/otterdog-defaults/otterdog-defaults.libsonnet';
+
+orgs.newOrg('eclipse-mat') {
+  settings+: {
+    dependabot_alerts_enabled_for_new_repositories: false,
+    dependabot_security_updates_enabled_for_new_repositories: false,
+    dependency_graph_enabled_for_new_repositories: false,
+    description: "",
+    members_can_change_project_visibility: false,
+    name: "MAT project",
+    packages_containers_internal: false,
+    packages_containers_public: false,
+    plan: "free",
+    web_commit_signoff_required: false,
+    workflows+: {
+      actions_can_approve_pull_request_reviews: false,
+    },
+  },
+  webhooks+: [
+    orgs.newOrgWebhook('https://ci.eclipse.org/mat/github-webhook/') {
+      content_type: "json",
+      events+: [
+        "pull_request",
+        "push"
+      ],
+    },
+  ],
+  _repositories+:: [
+    orgs.newRepo('mat') {
+      allow_merge_commit: true,
+      allow_update_branch: false,
+      default_branch: "master",
+      delete_branch_on_merge: false,
+      secret_scanning: "disabled",
+      secret_scanning_push_protection: "disabled",
+      web_commit_signoff_required: false,
+    },
+    orgs.newRepo('mat-website') {
+      allow_merge_commit: true,
+      allow_update_branch: false,
+      default_branch: "master",
+      delete_branch_on_merge: false,
+      secret_scanning: "disabled",
+      secret_scanning_push_protection: "disabled",
+      web_commit_signoff_required: false,
+      workflows+: {
+        enabled: false,
+      },
+    },
+  ],
+}