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A date in the wrong shape

The tool rejects a plausible-looking argument.

Tool contracts · 2 min
  1. 01 Identify
  2. 02 Repair
  3. 03 Replay

Your goal

Read the fictional sensor archive for October 9, 2026.

Tool contract

read_archive accepts { date: string } where date is YYYY-MM-DD. It is a read-only tool.

FICTIONAL TRACE / 005
01 · CALLread_archive({ date: "10/09/26" })
02 · RESULTValidation error: date must match YYYY-MM-DD. No read performed.
03 · CALLread_archive({ date: "10/09/26" })
04 · RESULTSame validation error.
WRITTEN SCENARIO · NO TOOLS EXECUTE

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