diff --git a/backend/windmill-api/src/mcp/utils.rs b/backend/windmill-api/src/mcp/utils.rs
index ba4ea391d5..de0ad9d4da 100644
--- a/backend/windmill-api/src/mcp/utils.rs
+++ b/backend/windmill-api/src/mcp/utils.rs
@@ -149,7 +149,10 @@ pub async fn get_items<T: for<'a> sqlx::FromRow<'a, sqlx::postgres::PgRow> + Sen
         .and_where("o.archived = false");
 
     if item_type == "script" {
-        sqlb.and_where("o.auto_kind IS NULL");
+        // only exclude library scripts (no main function); pipeline, test, WAC,
+        // and any future `auto_kind` values remain callable. Mirrors the scripts
+        // list API deny-list.
+        sqlb.and_where("(o.auto_kind IS NULL OR o.auto_kind <> 'lib')");
     }
 
     if let Some(prefix) = path_prefix {