diff --git a/src/plugins/plugin-lookup-table.test.ts b/src/plugins/plugin-lookup-table.test.ts
index 4b50c54897c..af225416323 100644
--- a/src/plugins/plugin-lookup-table.test.ts
+++ b/src/plugins/plugin-lookup-table.test.ts
@@ -125,6 +125,11 @@ describe("loadPluginLookUpTable", () => {
         origin: "bundled",
         providers: ["openai", "openai-codex"],
         modelCatalog: {
+          aliases: {
+            "azure-openai-responses": {
+              provider: "openai",
+            },
+          },
           providers: {
             openai: {
               models: [{ id: "gpt-test" }],
@@ -180,6 +185,7 @@ describe("loadPluginLookUpTable", () => {
     expect(table.owners.channelConfigs.get("telegram")).toEqual(["telegram"]);
     expect(table.owners.providers.get("openai")).toEqual(["openai"]);
     expect(table.owners.modelCatalogProviders.get("openai")).toEqual(["openai"]);
+    expect(table.owners.modelCatalogProviders.get("azure-openai-responses")).toEqual(["openai"]);
     expect(table.owners.cliBackends.get("codex-cli")).toEqual(["openai"]);
     expect(table.owners.setupProviders.get("openai")).toEqual(["openai"]);
     expect(table.owners.commandAliases.get("telegram-send")).toEqual(["telegram"]);
diff --git a/src/plugins/plugin-metadata-snapshot.ts b/src/plugins/plugin-metadata-snapshot.ts
index b6087a205f5..7733ff1f651 100644
--- a/src/plugins/plugin-metadata-snapshot.ts
+++ b/src/plugins/plugin-metadata-snapshot.ts
@@ -120,6 +120,9 @@ export function buildPluginMetadataOwnerMaps(
     for (const providerId of Object.keys(plugin.modelCatalog?.providers ?? {})) {
       appendOwner(modelCatalogProviders, providerId, plugin.id);
     }
+    for (const providerId of Object.keys(plugin.modelCatalog?.aliases ?? {})) {
+      appendOwner(modelCatalogProviders, providerId, plugin.id);
+    }
     for (const cliBackendId of plugin.cliBackends) {
       appendOwner(cliBackends, cliBackendId, plugin.id);
     }
diff --git a/src/plugins/plugin-registry-contributions.ts b/src/plugins/plugin-registry-contributions.ts
index 01a524b1c82..f0aa16c95fb 100644
--- a/src/plugins/plugin-registry-contributions.ts
+++ b/src/plugins/plugin-registry-contributions.ts
@@ -173,7 +173,10 @@ function listManifestContributionIds(
     case "cliBackends":
       return [...plugin.cliBackends, ...(plugin.setup?.cliBackends ?? [])];
     case "modelCatalogProviders":
-      return collectObjectKeys(plugin.modelCatalog?.providers);
+      return [
+        ...collectObjectKeys(plugin.modelCatalog?.providers),
+        ...collectObjectKeys(plugin.modelCatalog?.aliases),
+      ];
     case "commandAliases":
       return plugin.commandAliases?.map((alias) => alias.name) ?? [];
     case "contracts":
diff --git a/src/plugins/plugin-registry.test.ts b/src/plugins/plugin-registry.test.ts
index 30ea9842a1a..603627f6a9e 100644
--- a/src/plugins/plugin-registry.test.ts
+++ b/src/plugins/plugin-registry.test.ts
@@ -80,6 +80,11 @@ function createCandidate(rootDir: string): PluginCandidate {
         },
       },
       modelCatalog: {
+        aliases: {
+          "demo-alias": {
+            provider: "demo",
+          },
+        },
         providers: {
           demo: {
             models: [{ id: "demo-model" }],
@@ -157,7 +162,18 @@ describe("plugin registry facade", () => {
     });
     expect(isPluginEnabled({ index, pluginId: "demo" })).toBe(true);
     expect(listPluginContributionIds({ index, contribution: "providers" })).toEqual(["demo"]);
+    expect(listPluginContributionIds({ index, contribution: "modelCatalogProviders" })).toEqual([
+      "demo",
+      "demo-alias",
+    ]);
     expect(resolveProviderOwners({ index, providerId: "demo" })).toEqual(["demo"]);
+    expect(
+      resolvePluginContributionOwners({
+        index,
+        contribution: "modelCatalogProviders",
+        matches: "demo-alias",
+      }),
+    ).toEqual(["demo"]);
     expect(resolveChannelOwners({ index, channelId: "demo-chat" })).toEqual(["demo"]);
     expect(resolveCliBackendOwners({ index, cliBackendId: "demo-cli" })).toEqual(["demo"]);
     expect(