diff --git a/otterdog/eclipse-gemoc.jsonnet b/otterdog/eclipse-gemoc.jsonnet
new file mode 100644
index 0000000..2029fc0
--- /dev/null
+++ b/otterdog/eclipse-gemoc.jsonnet
@@ -0,0 +1,121 @@
+local orgs = import 'vendor/otterdog-defaults/otterdog-defaults.libsonnet';
+
+orgs.newOrg('eclipse-gemoc') {
+  settings+: {
+    blog: "https://gemoc.org/studio.html",
+    description: "A language and modeling workbench for executable modeling",
+    name: "Eclipse GEMOC Studio",
+    web_commit_signoff_required: false,
+    workflows+: {
+      actions_can_approve_pull_request_reviews: false,
+    },
+  },
+  _repositories+:: [
+    orgs.newRepo('gemoc-studio') {
+      allow_merge_commit: true,
+      allow_update_branch: false,
+      code_scanning_default_languages+: [
+        "python"
+      ],
+      code_scanning_default_setup_enabled: true,
+      default_branch: "master",
+      delete_branch_on_merge: false,
+      dependabot_security_updates_enabled: true,
+      description: "gemoc-studio",
+      private_vulnerability_reporting_enabled: true,
+      web_commit_signoff_required: false,
+    },
+    orgs.newRepo('gemoc-studio-commons') {
+      allow_merge_commit: true,
+      allow_update_branch: false,
+      code_scanning_default_languages+: [
+        "java-kotlin"
+      ],
+      code_scanning_default_setup_enabled: true,
+      default_branch: "master",
+      delete_branch_on_merge: false,
+      private_vulnerability_reporting_enabled: true,
+      web_commit_signoff_required: false,
+    },
+    orgs.newRepo('gemoc-studio-execution-ale') {
+      allow_merge_commit: true,
+      allow_update_branch: false,
+      code_scanning_default_languages+: [
+        "java-kotlin"
+      ],
+      code_scanning_default_setup_enabled: true,
+      default_branch: "master",
+      delete_branch_on_merge: false,
+      dependabot_security_updates_enabled: true,
+      description: "Gemoc studio execution ale",
+      private_vulnerability_reporting_enabled: true,
+      web_commit_signoff_required: false,
+    },
+    orgs.newRepo('gemoc-studio-execution-java') {
+      allow_merge_commit: true,
+      allow_update_branch: false,
+      code_scanning_default_languages+: [
+        "java-kotlin"
+      ],
+      code_scanning_default_setup_enabled: true,
+      default_branch: "master",
+      delete_branch_on_merge: false,
+      dependabot_security_updates_enabled: true,
+      description: "Gemoc studio execution java",
+      private_vulnerability_reporting_enabled: true,
+      web_commit_signoff_required: false,
+    },
+    orgs.newRepo('gemoc-studio-execution-moccml') {
+      allow_merge_commit: true,
+      allow_update_branch: false,
+      code_scanning_default_languages+: [
+        "java-kotlin"
+      ],
+      code_scanning_default_setup_enabled: true,
+      default_branch: "master",
+      delete_branch_on_merge: false,
+      dependabot_security_updates_enabled: true,
+      description: "gemoc-studio-execution-moccml",
+      private_vulnerability_reporting_enabled: true,
+      web_commit_signoff_required: false,
+    },
+    orgs.newRepo('gemoc-studio-extras') {
+      allow_merge_commit: true,
+      allow_update_branch: false,
+      code_scanning_default_setup_enabled: true,
+      delete_branch_on_merge: false,
+      private_vulnerability_reporting_enabled: true,
+      web_commit_signoff_required: false,
+    },
+    orgs.newRepo('gemoc-studio-moccml') {
+      allow_merge_commit: true,
+      allow_update_branch: false,
+      code_scanning_default_languages+: [
+        "java-kotlin"
+      ],
+      code_scanning_default_setup_enabled: true,
+      default_branch: "master",
+      delete_branch_on_merge: false,
+      dependabot_security_updates_enabled: true,
+      description: "gemoc-studio-moccml",
+      private_vulnerability_reporting_enabled: true,
+      web_commit_signoff_required: false,
+    },
+    orgs.newRepo('gemoc-studio-modeldebugging') {
+      allow_merge_commit: true,
+      allow_update_branch: false,
+      code_scanning_default_languages+: [
+        "javascript",
+        "javascript-typescript",
+        "typescript"
+      ],
+      code_scanning_default_setup_enabled: true,
+      default_branch: "master",
+      delete_branch_on_merge: false,
+      dependabot_security_updates_enabled: true,
+      description: "gemoc-studio-modeldebugging",
+      private_vulnerability_reporting_enabled: true,
+      web_commit_signoff_required: false,
+    },
+  ],
+}