McArthur, 23, is a double youth world champion and earned a bronze medal at his first senior World Championship in Moscow three years in the past.
McNeice, 20, and Thompson-Smith, 26, each secured qualification for Paris 2024 ultimately month’s Olympic Qualifier Collection, with McNeice accumulating two bronze medals on the occasions in Shanghai and Budapest.
There are 4 medal occasions at Paris throughout two disciplines – pace and mixed (boulder and lead) – with every self-discipline having a separate competitors for female and male climbers.
The GB quartet will compete within the mixed class, with the game climbing occasions being held from 5-10 August.