Affine Earth Math Court Remote

verify_bell_measurement

QC-018 Bell measurement: certify that the presented Bell class bits equal the presented two-qubit pair. ab is the two measured bits (e.g. 00, 11) and class is the two class bits the caller claims; WIN when they agree, MISS naming both when they do not. A presented witness is verified; no state is prepared or sampled. Bit strings only; floats refused.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`ab`	No	two measured bits, e.g. 00 or 11
`class`	No	the two Bell-class bits claimed for the pair, e.g. 00

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedSep 7, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 7, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 7, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 7, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 6, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 5, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 4, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 3, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 2, 2026
- removedInput schema / properties / ab / description
```
Removed value: -"two measured bits, e.g. 00 or 11"
```
- removedInput schema / properties / class / description
```
Removed value: -"the two Bell-class bits claimed for the pair, e.g. 00"
```
Changed2 schema fields changedSep 2, 2026
- addedInput schema / properties / ab / description
```
Added value: +"two measured bits, e.g. 00 or 11"
```
- addedInput schema / properties / class / description
```
Added value: +"the two Bell-class bits claimed for the pair, e.g. 00"
```
First observedSep 1, 2026

TDQS

A4.4/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description must carry the burden. It explicitly states that the tool verifies a presented witness and does not prepare or sample state, and it defines outcome behavior (WIN/MISS). It also adds input constraints ('Bit strings only; floats refused'). This is a strong disclosure, though it does not detail the exact return format or edge-case handling.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise, front-loaded with the core purpose, and each sentence adds value. It packs purpose, parameter meaning, behavioral constraints, and outcome logic into three efficient sentences with no redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple two-parameter verification tool with no output schema and no annotations, the description covers the essential aspects: purpose, parameter roles, input constraints, and outcome semantics. It does not explicitly state what happens with missing parameters (both are optional), but that is a minor gap given the simplicity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the baseline is 3, but the description adds meaningful context by explaining that 'ab' are the measured bits and 'class' are the claimed class bits, which clarifies the roles beyond the schema's terse definitions. This extra explanation helps an agent correctly assign values.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's function: certify that presented Bell class bits match a two-qubit pair. It uses a specific verb ('certify') and resource ('Bell measurement'), and clarifies it is a verification tool, not a state-preparation tool, which distinguishes it from potential siblings like verify_amplitude_amplification or verify_presented_pair.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies when to use it (verifying a Bell measurement claim) and explicitly notes that no state is prepared or sampled, which sets expectations. However, it does not explicitly name alternative tools or state when not to use it, so there is no direct exclusion guidance beyond the general purpose.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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