Read patched recipes by stable id

Co-authored-by: Bumble <bumble@agents.famfallman.com>
Co-authored-by: fredamn76 <fredrik.fallman@gmail.com>
Signed-off-by: fredamn76 <fredrik.fallman@gmail.com>

mealie_mcp/server.py

@@ -329,10 +329,14 @@ def patch_recipe(slug_or_id: str, patch: dict[str, Any]) -> dict[str, Any]:
     """Apply an explicit Mealie recipe patch, then read the recipe back.
 
     Use this for tags and categories too — the bulk-action endpoints return 500 on
-    this instance. Patch ``recipeCategory`` and ``tags`` directly.
+    this instance. Patch ``recipeCategory`` and ``tags`` directly. The stable
+    recipe id is captured before the PATCH because changing ``name`` also changes
+    Mealie's slug, making the old slug invalid for read-back.
     """
+    before = get_recipe(slug_or_id)
+    stable_id = before.get("id") or slug_or_id
     _request("PATCH", f"/api/recipes/{slug_or_id}", json=patch)
-    return get_recipe(slug_or_id)
+    return get_recipe(stable_id)
 
 
 @mcp.tool()

tests/test_server_contracts.py

@@ -62,14 +62,24 @@ class TestUrlImportResponse:
 class TestPatchContract:
     def test_patch_recipe_reads_back_the_final_object(self, monkeypatch):
         seen = []
-        updated = {"slug": "soppa", "name": "Soppa", "tags": [{"name": "📅 Vardag"}]}
+        before = {"id": "stable-id", "slug": "soppa", "name": "Soppa"}
+        updated = {
+            "id": "stable-id",
+            "slug": "ny-soppa",
+            "name": "Ny soppa",
+            "tags": [{"name": "📅 Vardag"}],
+        }
 
         def request(method, path, **kwargs):
             seen.append((method, path, kwargs))
             return None
 
         monkeypatch.setattr(server, "_request", request)
-        monkeypatch.setattr(server, "get_recipe", lambda slug: updated if slug == "soppa" else None)
+        monkeypatch.setattr(
+            server,
+            "get_recipe",
+            lambda key: before if key == "soppa" else updated if key == "stable-id" else None,
+        )
 
         assert server.patch_recipe("soppa", {"tags": updated["tags"]}) == updated
         assert seen == [("PATCH", "/api/recipes/soppa", {"json": {"tags": updated["tags"]}})]