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Catch the contradictions before your players do. Ship a coherent 40-hour campaign - contradictions in your NPCs, quests, and the Ink / Yarn variables tied to them caught and cited before a player ever sees them. The KiteFrost Game Narrative API is a dev-time authoring tool for narrative-heavy games. You author your cast, quests, factions, and lore as structured, version-controlled content, run an on-demand continuity audit that flags NPC and quest contradictions before your players hit them, then export the finished content into your build - Ink, Yarn Spinner, or universal JSON, with no per-utterance cloud call at runtime. The differentiator is the continuity check: it reads the NPC and quest facts you authored - who is alive, missing, or dead, and what each quest needs - plus the Ink / Yarn variables tied to them, and tells you which entities each contradiction involves (“Quest ‘rescue-the-captain’ requires ‘captain-mira’, who is dead.”). It is advisory and read-only - it never edits or blocks your build.

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Who is it for?

  • Narrative-heavy game studios shipping content-controlled stories who need their authored canon to stay consistent across a long game
  • Interactive fiction authors maintaining branching stories with many interdependent threads
  • Writers’ rooms and narrative leads who want a pre-ship QA pass over quests, NPCs, and dialogue
  • Game jam teams who need a structured narrative backend in hours, not months

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Core capabilities

Authoring

Create and version your cast, quests, locations, factions, and items as structured content - personality, backstory, faction alignment, quest state.

Continuity Check

Run an on-demand, project-scoped audit over your authored content. Every finding cites the entity it conflicts with. Advisory, read-only, free - never blocks your build.

Export into Build

Export your finished narrative into your game - Ink, Yarn Spinner, or universal JSON. No per-utterance cloud call at runtime.

Lore Bible

Generate a consolidated lore bible from your authored entities - a single readable reference for your writers’ room.
AI drafting is optional. Want a head start? AI can draft dialogue, quests, or lore for you at dev time; run the on-demand continuity check separately over your saved NPC and quest facts. You stay in control of what ships.

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Advanced: runtime dialogue

A runtime path for generating in-character dialogue on demand is also available as a secondary, advanced capability - see the runtime dialogue step in the Quickstart. Most studios author and export at dev time; the runtime path is there if you need live generation and can accept an asynchronous (202 + poll) call.

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Start with a sample audit

Request a free sample audit of one quest or chapter at hello@kitefrost.ai. We review the findings before sharing the report. Contact us after the sample if you want to discuss a full audit. The continuity check is free (0 Story Units) and never gates on budget. Generation artifacts - drafted dialogue, quest trees, lore bibles - carry Story Units. See Billing for details.