lmms-lab-writer
Agentic LaTeX Writer - Local-first editor for AI-assisted academic writing
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LMMs-Lab Writer is an AI-native LaTeX editor designed for researchers who prioritize ideas over syntax. It offers a local-first approach with AI agents for editing assistance, one-click LaTeX setup with automatic package installation, support for multiple languages, AI-powered workflows with OpenCode integration, Git integration for modern collaboration, fully open-source with MIT license, cross-platform compatibility, and a comparison with Overleaf highlighting its advantages. The tool aims to streamline the writing and publishing process for researchers while ensuring data security and control.
README:
As a researcher, your time belongs to breakthroughs—not wrestling with LaTeX boilerplate, resolving package conflicts, or the endless copy-paste loop between Overleaf and ChatGPT.
LMMs-Lab Writer is a local-first, AI-native LaTeX editor. Your files remain secure on your machine. AI agents assist with editing directly. Compile, review, and publish—all within a single, unified environment.
Say goodbye to hour-long TeX Live installations. LMMs-Lab Writer automatically detects and installs a lightweight LaTeX distribution. If a package is missing, it’s installed on the fly during compilation. Zero manual configuration required—just open the app and start writing.
Supports TinyTeX, MiKTeX, MacTeX, and TeX Live—with streamlined, one-click management.
Write effortlessly in English, Chinese, Japanese, Korean, Arabic, or any other language. XeLaTeX and LuaLaTeX are supported out of the box with full Unicode and system font compatibility. CJK documents work instantly with ctex, xeCJK, and other multilingual packages—no extra setup needed.
The built-in OpenCode panel brings AI directly into your editing experience:
You: "Add a related work section comparing our method to LoRA and QLoRA"
Agent: *writes directly to main.tex in real-time*
You: *hit compile* Done.
- Chat with AI, attach files, and manage context seamlessly
- AI analyzes your entire project for deep context awareness
- Edits are reflected in the editor in real-time
- Compatible with any model—Claude, GPT, Gemini, DeepSeek, or local LLMs
It also pairs perfectly with Claude Code, Cursor, Codex CLI, Aider, and other tools. The editor monitors your project directory, syncing external changes instantly.
Git isn't just an add-on; it's deeply integrated into the sidebar:
- Stage, commit, diff, push, pull—entirely via the UI
- AI-generated commit messages based on your staged changes
- Side-by-side diff viewer for reviewing AI suggestions before committing
- One-click GitHub publishing—create and push repositories without touching the terminal
- Seamless GitHub CLI integration for effortless authentication
Stop paying premium prices for basic Git sync. Here, version control is free, powerful, and built-in.
MIT licensed. Every line of code is open on GitHub. No vendor lock-in, no telemetry, no hidden costs.
- Your files never leave your local machine
- AI tools utilize your own API keys
- Fully functional offline (editing, compilation, Git)
- Fork it, modify it, self-host it—it's yours to control
Native performance on macOS (Apple Silicon & Intel) and Windows (64-bit). Built with Tauri for a lightweight, responsive experience—not just another heavy Electron wrapper.
# macOS (Homebrew)
brew tap EvolvingLMMs-Lab/tap && brew install --cask lmms-lab-writerOr download for macOS / Windows from the website.
| Overleaf | LMMs-Lab Writer | |
|---|---|---|
| File storage | Cloud only | Local (your machine) |
| AI editing | Basic grammar | OpenCode + any AI agent |
| Non-English | Limited CJK support | Full Unicode, XeLaTeX, system fonts |
| LaTeX setup | Pre-configured | One-click install, agent-managed |
| Git | Paid plans only | Free, built into sidebar |
| Offline | No | Full support |
| Compilation | Cloud queue | Local, instant |
| Open source | No | MIT license |
| Price | $21-42/month | Free |
1. Download & Install
Get the latest version from writer.lmms-lab.com/download, or install via Homebrew on macOS.
2. Open Your Project
Launch the app, click Open Folder, and select your LaTeX project. The main file is detected automatically.
3. Write with AI
Leverage the integrated OpenCode panel, or execute any AI tool via the terminal:
claude "Write the abstract summarizing our three key contributions"4. Compile & Publish
One click to compile and preview your PDF. Stage changes, commit, and push to GitHub—all from the sidebar.
Do I need to install LaTeX separately? Not necessarily. The app automates the installation of a minimal LaTeX distribution. Missing packages are handled automatically during compilation.
Does it work with non-English documents? Absolutely. Full Unicode support is provided via XeLaTeX and LuaLaTeX. CJK, Arabic, Cyrillic—all work out of the box.
Is my data sent anywhere? No. All files remain locally on your device. AI tools operate locally or via your personal API keys.
Can I use this with Overleaf projects? Yes. Simply clone your Overleaf Git repository locally and open it in Writer.
Does it work offline? Yes. Editing, compilation, and Git operations are fully functional without an internet connection.
git clone https://github.com/EvolvingLMMs-Lab/lmms-lab-writer.git
cd lmms-lab-writer
pnpm install
pnpm tauri:devSee the Developer Guide for full architecture, tech stack, Rust commands, debugging, and contribution conventions.
MIT
Built by LMMs-Lab
Every legendary paper started somewhere. Yours starts here.
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