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Show HN: A continuity checker for novels, tested on the Holmes canon

Novilot, a continuity checker for novels, launched on Hacker News, tested on the Sherlock Holmes canon. The tool helps authors maintain consistency across long manuscripts by flagging contradictions and suggesting fixes, while keeping the author in control of every word. It offers autocomplete, proofreading filters, and a story bible feature, with free access available now and paid plans forthcoming.

read2 min views1 publishedJul 16, 2026
Show HN: A continuity checker for novels, tested on the Holmes canon
Image: source

Novilot keeps a 150,000-word novel consistent from chapter one to the end. It catches the contradictions your readers would and helps you build your story bible. AI suggests. You decide every word.

The longer your manuscript gets, the harder it is to hold every name, timeline, and rule in your head. Most AI either writes for you and loses your voice, or forgets everything after each conversation. Novilot remembers your whole book and keeps you the author.

Run a scan and Novilot flags the lines in your draft that contradict your earlier chapters. Hover any flag to see the line it conflicts with and a suggested fix. You never leave the chapter you are writing.

Autocomplete suggests the next line in your voice. Press Tab to take it, keep typing to ignore it. Proofread flags filter words, telling instead of showing, weak dialogue tags and more, only the checks you switch on. You decide what changes. There is no ghostwriting and no auto-generated chapters. The AI only acts when you invoke it, and your voice stays yours.

Suggestions continue your sentence in your voice; Tab accepts, Esc dismisses.

Gray italic text = suggested completion (illustration). Wavy underlines for patterns you enable: filters, dialogue tags, passive voice, and more.

Tap a mark to open the same proofread popover over the highlight.Popover follows light mode here while matching the same issue explanation, suggestion, and action row. Colors match the proofread legend in settings (violet, amber, …).

Novilot suggests the characters, locations, and world details it finds in your manuscript. You approve what goes in and edit what needs fixing, so the bible stays yours. The Guardian then checks your draft against it.

Real captures of the actual app: your project home and the writing surface. Click any screenshot to enlarge it. The tour follows the theme control in the top bar (light, dark, and sepia) and switches to mobile captures at phone width.

Open any novel, track progress, and pick up where you left off from one calm home screen.

Land in your manuscript with the tools you need and a live word-count goal. No tab sprawl, no copy-paste between apps.

Everything here works today. Pricing is the only thing still coming.

You can start writing for free today. We're still finalizing paid plans and will announce them before anything changes.

We're finalizing pricing that respects your craft and your budget. Start writing free now and we'll announce plans before anything changes.

Create a free account and let Novilot keep your story straight from chapter one to the end.

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