diff --git a/codex-rs/app-server-protocol/src/protocol/common.rs b/codex-rs/app-server-protocol/src/protocol/common.rs
index 204f47245..b70af1a22 100644
--- a/codex-rs/app-server-protocol/src/protocol/common.rs
+++ b/codex-rs/app-server-protocol/src/protocol/common.rs
@@ -621,12 +621,12 @@ client_request_definitions! {
     },
     PluginList => "plugin/list" {
         params: v2::PluginListParams,
-        serialization: global_shared_read("config"),
+        serialization: global_shared_read("plugin-read"),
         response: v2::PluginListResponse,
     },
     PluginRead => "plugin/read" {
         params: v2::PluginReadParams,
-        serialization: global("config"),
+        serialization: global_shared_read("plugin-read"),
         response: v2::PluginReadResponse,
     },
     PluginSkillRead => "plugin/skill/read" {
@@ -1690,7 +1690,24 @@ mod tests {
         };
         assert_eq!(
             plugin_list.serialization_scope(),
-            Some(ClientRequestSerializationScope::GlobalSharedRead("config"))
+            Some(ClientRequestSerializationScope::GlobalSharedRead(
+                "plugin-read"
+            ))
+        );
+
+        let plugin_read = ClientRequest::PluginRead {
+            request_id: request_id(),
+            params: v2::PluginReadParams {
+                marketplace_path: Some(absolute_path("/tmp/marketplace")),
+                remote_marketplace_name: None,
+                plugin_name: "plugin-a".to_string(),
+            },
+        };
+        assert_eq!(
+            plugin_read.serialization_scope(),
+            Some(ClientRequestSerializationScope::GlobalSharedRead(
+                "plugin-read"
+            ))
         );
 
         let plugin_uninstall = ClientRequest::PluginUninstall {