Skills denote the capabilities of the used FFmpeg binary. It includes version information, supported input and output protocols, available hardware accelerators, supported formats for muxing and demuxing, filters, and available input and output devices.
Read
Example:
curl http://127.0.0.1:8080/api/v3/skills \
-H 'accept: application/json' \
-X GET
Reloading the skills might be necessary if you plug e.g. an USB device. It will only show up in the list of available devices if they are probed again.
Example:
curl http://127.0.0.1:8080/api/v3/skills/reload \
-H 'accept: application/json' \
-X GET