ModTweaker's Tinker's Construct integration extends the command palette provided by CraftTweaker.
To access these commands you do the same as you do for CraftTweaker commands, you use the /crafttweaker prefix

List of Tinkers' Commands

Link to list-of-tinkers-commands


/crafttweaker ticmat

/ct ticmat


Outputs a list of all registered Tinkers' Construct Materials in the game to the crafttweaker.log file.