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Stop arguingabout the rules.

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Built for serious hobbyists who want the right answer, not a guess.

1

BGG Collection Sync

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2

PDF & TXT Rulebooks

Upload the rulebook PDF directly from the BGG files page. We extract every page of text so nothing gets missed.

3

AI Rules Chat

Ask natural language questions. Get answers pulled verbatim from the rulebook, with page numbers cited so you can verify yourself.

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Strict Context Only

The AI never guesses or uses outside knowledge. If the answer isn't in your rulebook, it says "I cannot find that in the rules."

5

FAQ & Errata Support

Upload official FAQ or Errata documents alongside the base rulebook. Errata answers automatically override conflicting base rules.

6

Page Citations

Every answer references the exact page it came from — "According to page 14…" — so you can point to the book and end the debate.

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Works for TTRPGs too.

TTRPG corebooks are notoriously dense — action economy edge cases, concentration rules, grapple interactions, lore buried three hundred pages in. Upload any D&D, Pathfinder, Call of Cthulhu, or other RPG PDF and get instant, page-cited answers without pausing your session to hunt through indices.

  • Resolve combat & encounter mechanics in seconds
  • Untangle spell interactions, concentration, and casting rules
  • Surface lore and world-building from any corebook
  • Any PDF — no account, no setup beyond an upload

Can I take a bonus action after casting Misty Step?

Per page 202, Misty Step uses a bonus action to cast. You may still use your action and movement this turn, but cannot use another bonus action…

How does grapple work against a creature two sizes larger?

According to page 195, you can only grapple a creature no more than one size larger. A creature two sizes larger cannot be grappled using this rule…

What is the ancient history of the Mind Flayers?

Page 74 describes the Illithid as remnants of a collapsed planar empire. Their origin traces to a far future where they conquered time itself…

What triggers a Concentration check?

Page 203: whenever you take damage while concentrating on a spell, make a Constitution saving throw. The DC equals 10 or half the damage taken, whichever is higher…

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