{"title":"Agent Duplicate Tool-Call Detection","region":"Global","category":"Reliability","description":"Prevent redundant execution and 'infinite loops' by identifying identical tool requests within a single session.","lastUpdated":"2026-02-26","steps":["Generate a `call_signature` by hashing the tool name and ordered arguments.","Maintain a `session_call_stack` to track all unique signatures in the current run.","Intercept tool calls and compare the new signature against the history.","Block execution if a signature is identical to a previous call without a state change.","Inject a 'Duplicate Call Warning' back into the LLM context to force a strategy shift.","Log the duplicate attempt for debugging agentic loop failures."],"url":"https://checklist.day/agent-duplicate-tool-call-detection"}