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Quarkle Chat looks like a chat box. Under the hood it’s an agent. It can decide to go read parts of your book before it answers, rather than replying from memory. Here’s how a single message becomes a grounded reply.
A chat answer with a tool trail

The tool chips show what Chat read before answering.

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What Chat always sees

Before you say anything, every conversation already carries a compact picture of your book.
  • Your Story Atlas knowledge map, your Memory (preferences), and your Book Notes. All three are always included, even if they’re empty.
  • If you have a chapter open: that chapter’s summary (what’s already on the page) and its Chapter Notes (your working instructions for it, beats, character mindset, tone, anything ephemeral and scoped to this chapter). Other chapters aren’t summarized into context automatically; Chat reads them on demand with tools.
  • Which chapter you’re currently in.
  • The conversation so far. Long chats are automatically condensed so older messages don’t crowd out the context window.

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Reading on demand: the tools

Sometimes your question needs more than the summary: the exact wording of a scene, every mention of a character, a fact from three chapters back. Then the agent uses tools to fetch it. Think of these as a small toolkit for navigating your manuscript.
  • Browse and read chapters. List them, open one, or read around your cursor.
  • Search. Semantic search (“find the scene where they argue about the light”) and literal search (“every line containing Vellmoor”).
  • Read and update the Story Atlas. Pull in a character note, or write a new fact back into it.
  • Search past chats. Recall something you worked out in an earlier conversation.
  • Web search. Look up a real-world fact when a question calls for it.
The tool chips you see above a reply are exactly this: a record of what Quarkle read before answering.

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Thinking only as hard as needed

To keep replies fast, Quarkle sizes the effort to the question. A quick check of one line shouldn’t cost the same as untangling a subplot. So each message is first sized up. Is this a quick chat or a real edit? Simple, standard, or deep? That sets how many steps the agent may take and how long it may spend. A greeting gets answered instantly. A hard structural question gets a longer leash to read more and think more.

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How edits appear

When you ask for a change, Quarkle doesn’t overwrite your text. It marks the proposed edit inline as it writes, and the Editor turns that into a suggestion card (an add, a rewrite, or a deletion) that you Accept or Reject. The words only land in your manuscript when you say so.
This is the same principle everywhere in Quarkle: the AI proposes, you decide. See Quarkle Chat for the day-to-day flow, and the Toolkit for how to steer what it reads.

Next: Inside the Review Room

One Run review, many editors.