recursion_limit

Author: simonredfern

src/service/opey_session.py

@@ -261,8 +261,12 @@ def build_config(self, base_config: dict | None = None) -> dict:
             **session_configurable,
             **base_config.get("configurable", {})
         }
-        
+
+        # LangGraph caps graph execution at `recursion_limit` super-steps (default 25).
+        # Opey's tool-call cycle is ~5 super-steps per round, so 25 gives ~5 tool
+        # calls per turn. Override via OPEY_RECURSION_LIMIT env var.
         return {
+            "recursion_limit": int(os.getenv("OPEY_RECURSION_LIMIT", "100")),
             **base_config,
             "configurable": merged_configurable
         }

src/service/streaming_legacy.py

@@ -8,6 +8,7 @@
     ToolCallApproval,
 )
 from typing import Any, AsyncGenerator
+import os
 import uuid
 import json
 from langchain_core.runnables import RunnableConfig
@@ -26,7 +27,9 @@ def _parse_input(user_input: UserInput, session_id: str = None) -> tuple[dict[st
     kwargs = {
         "input": _input,
         "config": RunnableConfig(
-            configurable={"thread_id": thread_id}, run_id=run_id
+            configurable={"thread_id": thread_id},
+            run_id=run_id,
+            recursion_limit=int(os.getenv("OPEY_RECURSION_LIMIT", "100")),
         ),
     }
     return kwargs, run_id