diff --git a/rewrite-javascript/rewrite/src/recipe.ts b/rewrite-javascript/rewrite/src/recipe.ts
index c63b5dc4dd5..cb2cc059f65 100644
--- a/rewrite-javascript/rewrite/src/recipe.ts
+++ b/rewrite-javascript/rewrite/src/recipe.ts
@@ -96,14 +96,18 @@ export abstract class Recipe {
             description: this.description,
             tags: this.tags,
             estimatedEffortPerOccurrence: this.estimatedEffortPerOccurrence,
-            recipeList: await mapAsync(await this.recipeList(), async r => r.descriptor()),
             options: Object.entries(optionsRecord).map(([key, descriptor]) => ({
                 name: key,
                 value: (this as any)[key],
                 required: descriptor.required ?? true,
                 ...descriptor
             })),
-            dataTables: this.dataTables
+            preconditions: [],
+            recipeList: await mapAsync(await this.recipeList(), async r => r.descriptor()),
+            dataTables: this.dataTables,
+            maintainers: [],
+            contributors: [],
+            examples: []
         }
     }
 
@@ -135,9 +139,13 @@ export interface RecipeDescriptor {
     readonly description: string
     readonly tags: string[]
     readonly estimatedEffortPerOccurrence: Minutes
-    readonly recipeList: RecipeDescriptor[]
     readonly options: ({ name: string, value?: any } & OptionDescriptor)[]
+    readonly preconditions: RecipeDescriptor[]
+    readonly recipeList: RecipeDescriptor[]
     readonly dataTables: DataTableDescriptor[]
+    readonly maintainers: any[]
+    readonly contributors: any[]
+    readonly examples: any[]
 }
 
 export interface OptionDescriptor {
diff --git a/rewrite-javascript/rewrite/test/recipe.test.ts b/rewrite-javascript/rewrite/test/recipe.test.ts
index 45346f7df21..350e735f07c 100644
--- a/rewrite-javascript/rewrite/test/recipe.test.ts
+++ b/rewrite-javascript/rewrite/test/recipe.test.ts
@@ -43,9 +43,13 @@ describe("recipes", () => {
                     value: undefined
                 }
             ],
+            preconditions: [],
             recipeList: [],
             tags: [],
-            dataTables: []
+            dataTables: [],
+            maintainers: [],
+            contributors: [],
+            examples: []
         });
     });
 });
diff --git a/rewrite-python/rewrite/src/rewrite/rpc/server.py b/rewrite-python/rewrite/src/rewrite/rpc/server.py
index 67927082c64..b64302471ef 100644
--- a/rewrite-python/rewrite/src/rewrite/rpc/server.py
+++ b/rewrite-python/rewrite/src/rewrite/rpc/server.py
@@ -897,8 +897,12 @@ def _recipe_descriptor_to_dict(descriptor) -> dict:
             }
             for name, value, opt in descriptor.options
         ],
-        'dataTables': descriptor.data_tables,
+        'preconditions': [],
         'recipeList': [_recipe_descriptor_to_dict(r) for r in descriptor.recipe_list],
+        'dataTables': descriptor.data_tables,
+        'maintainers': [],
+        'contributors': [],
+        'examples': [],
     }
 
 
diff --git a/rewrite-python/rewrite/tests/rpc/test_server.py b/rewrite-python/rewrite/tests/rpc/test_server.py
index 0c4f3ddfed0..cf2ce222f5b 100644
--- a/rewrite-python/rewrite/tests/rpc/test_server.py
+++ b/rewrite-python/rewrite/tests/rpc/test_server.py
@@ -24,3 +24,26 @@ def fake_parse_python_source(source, path="<unknown>", relative_to=None, ty_clie
     assert observed["source"] == ""
     assert observed["path"] == str(tmp_path / "pkg" / "__init__.py")
     assert (tmp_path / "pkg" / "__init__.py").read_text(encoding="utf-8") == ""
+
+
+def test_recipe_descriptor_to_dict_emits_all_collection_keys():
+    from rewrite.recipe import RecipeDescriptor
+    from rewrite.rpc.server import _recipe_descriptor_to_dict
+
+    descriptor = RecipeDescriptor(
+        name="org.example.Foo",
+        display_name="Foo",
+        description="A recipe.",
+        tags=[],
+        estimated_effort_per_occurrence=0,
+        options=[],
+        data_tables=[],
+        recipe_list=[],
+    )
+
+    result = _recipe_descriptor_to_dict(descriptor)
+
+    for key in ("tags", "options", "preconditions", "recipeList",
+                "dataTables", "maintainers", "contributors", "examples"):
+        assert key in result, f"missing key: {key}"
+        assert result[key] == [], f"{key} should be empty list, got {result[key]!r}"