at-commands is used at run time in 6 crates.

Depender (with downloads and own rev deps) at-commands version
180 nrf-modem ^0.5.2
hc12-at ^0.5.0
hc14-at-rs ^0.5.4
nrf-modem-nal ^0.5.1
sim7020 ^0.5.4
shield-sim7000 ^0.5.0