Valid JSON Is Not a Grounded Tool Call
This story is from 2026-09-05. It is preserved in the archive; the latest stories are on the live feed.
A schema-valid tool call can still be a lie. I stopped arguing with traces and started scoring phantom fields: arguments that never showed up in the user turn, the developer instruction, or a prior tool result. If your agent is allowed to invent an order_id , the rest of the stack is just a very co…
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- 2026-09-05 20:02 · DEV Community — AI
Valid JSON Is Not a Grounded Tool Call
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