{"title":"Schema Hallucination: Tool Call Validation","region":"Global","category":"Reliability","description":"Preventing execution failures caused by invalid JSON or arguments.","lastUpdated":"2026-02-25","steps":["Intercept tool actions before they reach the execution engine.","Validate the JSON payload against the tool's required schema.","Re-prompt the agent with raw error messages and schema definitions.","Limit 'Correction Turns' to 2 attempts before session termination.","Apply local 'Syntax Repair' for common JSON formatting errors."],"url":"https://checklist.day/schema-hallucination-tool-call-validation"}