fix: composio tools with array args (#2762)

letta/functions/schema_generator.py

@@ -547,8 +547,11 @@ def generate_tool_schema_for_composio(
             property_schema["enum"] = field_props["enum"]
 
         # Handle array item types
-        if field_props["type"] == "array" and "items" in field_props:
-            property_schema["items"] = field_props["items"]
+        if field_props["type"] == "array":
+            if "items" in field_props:
+                property_schema["items"] = field_props["items"]
+            elif "anyOf" in field_props:
+                property_schema["items"] = [t for t in field_props["anyOf"] if "items" in t][0]["items"]
 
         # Add the property to the schema
         properties_json[field_name] = property_schema

tests/test_tool_schema_parsing.py

@@ -289,8 +289,8 @@ def test_composio_tool_schema_generation(openai_model: str, structured_output: b
     action_names = [
         "GITHUB_STAR_A_REPOSITORY_FOR_THE_AUTHENTICATED_USER",  # Simple
         "CAL_GET_AVAILABLE_SLOTS_INFO",  # has an array arg, needs to be converted properly
-        "SALESFORCE_RETRIEVE_LEAD_BY_ID",
-        # has an array arg, needs to be converted properly
+        "SALESFORCE_RETRIEVE_LEAD_BY_ID",  # has an array arg, needs to be converted properly
+        "FIRECRAWL_SEARCH",  # has an optional array arg, needs to be converted properly
     ]
 
     # Create a pool of processes