This 5E extension adds pentacle buttons next to spells that summon NPCs (for example, "Find Familiar").  The player (or DM) can click on the button to add the NPC (as an ally) to the Combat Tracker and (optionally) the map.  Spells that can summon different variations will have up to 5 buttons.

The buttons will be added when the Character Sheet Actions tab is rendered, or when the spell is added or edited.

Spells are parsed to look for NPC links.  If you want to add/change which NPCs can be summoned, you can have up to 5 NPCs (just drag and drop) into the spell description.

Double-clicking on the map token will open the NPC page.

This can be useful for powers such as the Artificer's *Steel Defender* ability (simply add an action, and edit it to include [SUMMON: Steel Defender]".