diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa4f552..e839066 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ Changes prior to the next official version change will appear here.
     * bugfix in find_symbol tool (a bug fixed in LS)
     * merged the two overview tools (for dir and file) int a single one
     * one-click setup for Cline enabled
+    * Fix `CheckOnboardingPerformedTool`:
+        * Tool description was incompatible with project change
+        * Returned result was not as useful as it could be (now added list of memories)
 
 * Language Servers:
     * Add further file extensions considered by the language servers for Python (.pyi), JavaScript (.jsx) and TypeScript (.tsx, .jsx)
diff --git a/src/serena/agent.py b/src/serena/agent.py
index e13b1af..8082f6a 100644
--- a/src/serena/agent.py
+++ b/src/serena/agent.py
@@ -958,15 +958,13 @@ class InsertAtLineTool(Tool):
 
 class CheckOnboardingPerformedTool(Tool):
     """
-    Checks whether the onboarding was already performed.
+    Checks whether project onboarding was already performed.
     """
 
     def apply(self) -> str:
         """
-        Check if onboarding was performed yet.
-        You should always call this tool in the beginning of the conversation,
-        before any question about code or the project is asked.
-        You will call this tool only once per conversation.
+        Checks whether project onboarding was already performed.
+        You should always call this tool before beginning to actually work on a project/after activating a project.
         """
         list_memories_tool = self.agent.get_tool(ListMemoriesTool)
         memories = json.loads(list_memories_tool.apply())
@@ -976,7 +974,7 @@ class CheckOnboardingPerformedTool(Tool):
                 + "You should perform onboarding by calling the `onboarding` tool before proceeding with the task."
             )
         else:
-            return "Onboarding already performed, no need to perform it again."
+            return json.dumps({"result": "Onboarding already performed.", "available_memories": memories})
 
 
 class OnboardingTool(Tool):