Cursor for writers
nuza is a markdown editor with an AI agent beside your note. Ask it to rephrase, proofread or explain, and its changes come back as suggestions in the note, for you to accept one by one.
It uses the agent you already have, Claude Code, Codex or OpenCode, on your own plan. No account, no key, no server of ours. And it is off until you turn it on.
What it does for your writing
- Ask about the note you are in with ⌘L (Ctrl+L on Windows and Linux). Your selection goes along with it
- Rephrase, find a synonym, proofread, improve, or explain a passage in the context of the whole note
- Changes come back as suggestions in the note, to accept or reject one by one. ⌘Z undoes any of them
- Ask it to look through your other notes, and it cites them. A citation opens the note at the paragraph
- Ask for a new note, and it drafts one with frontmatter, tables or math, linked both ways with [[wiki links]]
- Your own instructions for how it writes, and a short memory per folder, kept on your computer
How it works
Who it is for
Writers who want help, not a ghostwriter
Blog posts, essays, docs, research notes. You write; the agent tightens a sentence, finds the word, catches the typo, or explains a passage back to you. You decide what stays.
And an Obsidian alternative
Under the panel, nuza is a small, quick markdown editor for a folder of notes, with wiki-links, backlinks, search and Vim keys.How it compares with Obsidian.
Guides
- How writers can use AI without losing their voice
- Use Claude Code, Codex or OpenCode as a writing assistant
- Studying with AI: better notes, not someone else's homework
- Research notes with AI: ask questions across your whole vault
- AI for READMEs, design docs and runbooks
- From messy meeting notes to decisions and action items
- Private AI note taking: what it should and should not see
Questions
What does "Cursor for writers" mean?
Cursor put an AI agent inside a code editor, next to what you are working on. nuza does the same for writing: an agent in the panel beside your note, which knows the note and your selection, and suggests changes you accept in place.
Do I need an account or an API key?
No. nuza has no account and holds no key. It uses an agent already on your computer, signed in with your own plan: Claude Code, Codex or OpenCode. OpenCode also has free models.
Will the AI change my notes without asking?
No. Every change comes back as a suggestion shown in the note, which you accept or reject one by one. A new note is only made when you press Create, and never over one that is already there.
What is sent, and where?
Only when you ask something: your question, the note you are asking about with your selection marked, and your instructions and memory. They go to the agent you turned on, which sends them to its provider on your account. nuza has no server of its own.
Can I use nuza without AI?
Yes. AI is optional and off until you turn it on in Settings. Until then there is no panel, and nuza never looks for or starts an agent.
Can it write anything I ask?
It is there for your notes and your writing, and turns down requests that have nothing to do with them. It can still be wrong, so read a suggestion before you accept it.