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AI continuity checker for novelists
A SaaS tool for long-form fiction authors that tracks characters, settings, rules, and timelines, then automatically flags contradictions across the manuscript. The strongest demand signal is not for AI writing help, but for memory and consistency support during drafting and revision.
Pourquoi c'est important
You are deep into a novel and the real problem is no longer inspiration, it is memory. By the time the manuscript gets long, small facts start drifting: dates move, side characters blur together, and rules you established early stop matching later scenes. Your current setup is usually a mix of notes, folders, or a personal database, but it only helps if you remember to keep it updated and check it constantly. What you want is software that remembers the book better than you do, stays attached to the draft itself, and points out continuity problems before readers find them.
- · Conçu pour Indie novelists and serialized fiction writers working on long manuscripts with large casts, multiple timelines, or rule-heavy worlds..
- · Monétisation la plus probable : SaaS subscription.
La douleur · Récit
You are deep into a novel and the real problem is no longer inspiration, it is memory. By the time the manuscript gets long, small facts start drifting: dates move, side characters blur together, and rules you established early stop matching later scenes. Your current setup is usually a mix of notes, folders, or a personal database, but it only helps if you remember to keep it updated and check it constantly. What you want is software that remembers the book better than you do, stays attached to the draft itself, and points out continuity problems before readers find them.
Détail du score
Signal du marché
Mise sur le marché
Self-publishing fantasy and sci-fi authors drafting 80k+ word manuscripts with recurring characters and lore.
~50K-150K active globally in the most reachable early niche
SEO long-tail
$15/month
25 paying authors and 100 uploaded manuscripts within 30 days of launch
Périmètre MVP · 1–2 semaines
- Build manuscript upload for DOCX and plain text
- Create schema for characters, locations, dates, and story rules
- Implement chapter chunking and entity extraction pipeline
- Design a simple dashboard showing linked entities by chapter
- Add a basic contradiction review page with manual feedback buttons
- Add LLM-powered contradiction checks across extracted entities
- Implement inline mention tagging inside a basic web editor
- Generate timeline conflict summaries with chapter references
- Add export of story bible as PDF or CSV
- Launch a waitlist and onboarding flow for beta users
Différenciation
Pourquoi cela pourrait échouer
Auto-contre-argument — le signal de confiance le plus important
- 1Writers may value the idea but refuse to move drafting into a new environment, limiting adoption to occasional audits rather than recurring use.
- 2Contradiction detection may be inconsistent on nuanced prose, making the product feel unreliable when users most need precision.
- 3The addressable market may be enthusiastic but niche, capping growth unless adjacent segments like screenwriters or game writers are added.
Résumé des preuves
Comment l'IA a synthétisé cet aperçu — pas de citations textuelles
The discussion repeatedly validated continuity drift as a genuine problem in long fiction. Several commenters emphasized missed details across chapters, especially in timeline-heavy drafts, and multiple remarks highlighted that an integrated writing-plus-reference workflow is more useful than a separate notes repository. The signal suggests a real demand for manuscript-aware consistency software rather than generic AI writing assistance.
Plan d'Action
Validez cette opportunité avant d'écrire du code
Prochaine Étape Recommandée
Construire
Signaux de demande forts. Vraie douleur et volonté de payer détectées — commencez à construire un MVP.
Kit de Textes pour Landing Page
Textes prêts à coller, basés sur le langage réel de la communauté Reddit
Titre Principal
AI continuity checker for novelists
Sous-titre
A SaaS tool for long-form fiction authors that tracks characters, settings, rules, and timelines, then automatically flags contradictions across the manuscript. The strongest demand signal is not for AI writing help, but for memory and consistency support during drafting and revision.
Pour Qui
Pour Indie novelists and serialized fiction writers working on long manuscripts with large casts, multiple timelines, or rule-heavy worlds.
Liste des Fonctionnalités
✓ Manuscript import and chapter-level parsing ✓ Structured story bible for characters, settings, rules, and timelines ✓ Automated contradiction scans with source references ✓ Inline entity mentions while drafting ✓ Timeline and foreshadowing consistency reports
Où Valider
Partagez votre landing page sur r/Product Hunt · productivity — c'est exactement là que ces points de douleur ont été découverts.
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