diff --git a/src/agents/models-config.ts b/src/agents/models-config.ts
index 45a4bdd6a2f..3cf4d68f635 100644
--- a/src/agents/models-config.ts
+++ b/src/agents/models-config.ts
@@ -172,12 +172,14 @@ export async function ensureOpenClawModelsJson(
     (agentDirOverride?.trim()
       ? undefined
       : resolveAgentWorkspaceDir(cfg, resolveDefaultAgentId(cfg)));
+  const providerScopedDiscovery = Boolean(options.providerDiscoveryProviderIds?.length);
   const pluginMetadataSnapshot =
     options.pluginMetadataSnapshot ??
     resolvePluginMetadataSnapshot({
       config: cfg,
       env: createConfigRuntimeEnv(cfg),
       ...(workspaceDir ? { workspaceDir } : {}),
+      ...(providerScopedDiscovery ? { preferPersisted: false } : {}),
     });
   const agentDir = agentDirOverride?.trim() ? agentDirOverride.trim() : resolveDefaultAgentDir(cfg);
   const targetPath = path.join(agentDir, "models.json");
diff --git a/src/agents/models-config.write-serialization.test.ts b/src/agents/models-config.write-serialization.test.ts
index 70cd8158268..e37fb017735 100644
--- a/src/agents/models-config.write-serialization.test.ts
+++ b/src/agents/models-config.write-serialization.test.ts
@@ -176,6 +176,23 @@ describe("models-config write serialization", () => {
     });
   });
 
+  it("does not reuse persisted plugin metadata for provider-scoped discovery", async () => {
+    await withModelsTempHome(async (home) => {
+      const workspaceDir = path.join(home, "agent-workspace");
+      const snapshot = createPluginMetadataSnapshot(workspaceDir);
+      setCurrentPluginMetadataSnapshot(snapshot, { config: {} });
+      const agentDir = path.join(home, "agent-non-default");
+
+      await ensureOpenClawModelsJson({}, agentDir, {
+        workspaceDir,
+        providerDiscoveryProviderIds: ["google"],
+      });
+
+      const params = planParamsAt(0);
+      expect(params.pluginMetadataSnapshot).not.toBe(snapshot);
+    });
+  });
+
   it("writes implicit models.json into the configured default agent dir", async () => {
     await withModelsTempHome(async (home) => {
       const cfg = {