Cyberpunk 2077 uses a single static database file which contains data about gameplay elements. This database file can be located at the following path within the Cyberpunk 2077 game installation:
Cyberpunk 2077\r6\cache\tweakdb.binThis file and the accompanying system Cyberpunk 2077 uses to register and control gameplay elements is called the Tweak DB. The Tweak DB is responsible for registering all player-facing items such as vehicles, weapons, and apparel. In other words, to create a new standalone gameplay item mod developers must take advantage of the Tweak DB.
The Tweak DB can be interacted with using Cyberpunk's official REDmod, or numerous community solutions such as TweakXL, CET, and redscript.
The following is a diagram which maps the relationship between game files for use with TweakXL and Archive XL: