FA-99758 / Tool call schema validation / Member archive
Boolean values pass an integer field · case 03
Boolean values pass an integer field.
Case contract
An integer field accepts exact Python ints and rejects bool despite bool being an int subclass.
Why this case matters
Tool argument validation prevents malformed structured payloads from entering a deterministic downstream operation.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| true is not integer | true | false | Failed |
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