Phantom Touched

Allows you make your armor (or elytra) invisible by applying phantom membrane to it in a smithing table!
For balancing, armor is temporarily revealed when taking PvP damage or when you have the invisibility effect, but this can be configured.

Configuring

After installing the datapack, run /function phantom_touched:settings to configure the datapack.
The following options are available:

• Reveal armor when taking damage from:
  Disabled: armor will never be revealed when taking damage
  Players: armor will be revealed when taking damage directly or indirectly from another player (this is the default)
  Anything: armor will always be revealed when taking damage
• Reveal armor with invisibility effect: if enabled, players with the invisibilty effect will have their armor revealed
• Armor visibility cooldown: in seconds, the amount of time to reveal armor after taking damage