codex: address PR review feedback (#15181)

codex-rs/core/src/codex.rs

@@ -6370,7 +6370,21 @@ pub(crate) async fn built_tools(
                 accessible_connectors.as_slice(),
             )
             .await
-            {
+            .map(|discoverable_tools| {
+                if turn_context.app_server_client_name.as_deref() != Some("codex-tui") {
+                    return discoverable_tools;
+                }
+
+                discoverable_tools
+                    .into_iter()
+                    .filter(|tool| {
+                        !matches!(
+                            tool,
+                            crate::tools::discoverable::DiscoverableTool::Plugin(_)
+                        )
+                    })
+                    .collect()
+            }) {
                 Ok(discoverable_tools) if discoverable_tools.is_empty() => None,
                 Ok(discoverable_tools) => Some(discoverable_tools),
                 Err(err) => {

codex-rs/core/src/tools/handlers/tool_suggest.rs

@@ -115,6 +115,16 @@ impl ToolHandler for ToolSuggestHandler {
             &accessible_connectors,
         )
         .await
+        .map(|discoverable_tools| {
+            if turn.app_server_client_name.as_deref() != Some("codex-tui") {
+                return discoverable_tools;
+            }
+
+            discoverable_tools
+                .into_iter()
+                .filter(|tool| !matches!(tool, DiscoverableTool::Plugin(_)))
+                .collect()
+        })
         .map_err(|err| {
             FunctionCallError::RespondToModel(format!(
                 "tool suggestions are unavailable right now: {err}"