Mistline sits beside your IDE and shows you exactly what AI coding tools are creating, changing, and breaking. In real time.
You ask Claude Code to build a feature. It creates 12 files, modifies 5 more, and leaves behind 3 that nothing references. Your terminal scrolls past it. Your IDE sidebar can't keep up. You're left wondering: what just happened?
No accounts. No telemetry. No cloud. No network requests. Your files, your data, your business. Nothing phones home, ever.
Mistline sits alongside your IDE as an always-on companion. Not a replacement.
Color-coded by file type with real-time updates as AI tools create and modify files. Collapse, filter, search. All instant.
See every file create, modify, and delete as it happens. No more guessing what your AI tool just changed.
Click any file to preview it. Markdown, HTML with full CSS, images, PDFs, CSVs with resizable columns. No IDE needed.
Cmd+K to search filenames and folders, or search inside file contents. Results reveal in the tree with a smooth highlight.
Toggle to see which files your AI tools can and can't see. Parses .gitignore, .claudeignore, .cursorignore, and .aiderignore.
Automatically flags duplicate filenames and orphaned files that nothing references. AI tools leave these behind constantly.
Add notes to any file or folder. Remind yourself what something does, flag things to revisit, leave context for later.
Browse recent commits with expandable diffs. Green for additions, red for deletions. See what changed without leaving Mistline.
Press a global hotkey from any app and Mistline's command palette appears instantly. Search files, search content, then act.
Whether you're a developer using Claude Code and Cursor to move faster, or building your first app with AI, Mistline gives you the visual awareness that terminals and IDEs don't.
Built with Rust. Runs natively on macOS. No Electron, no Chrome, no bloat.
Mistline is a native macOS app that gives you real-time visual awareness of your file system while you use AI coding tools. Think of it as a file companion that sits beside your IDE, showing you what's being created, changed, and left behind.
Any tool that creates or modifies files on your Mac. Claude Code, Cursor, Codex, Aider, Windsurf, Copilot, or any CLI/IDE that touches your file system. Mistline watches the files, not the tool.
Yes. Mistline is 100% local. No network requests, no accounts, no analytics, no telemetry. Everything runs on your machine and stays there. See our privacy policy for details.
macOS only right now. Windows and Linux support is planned for a future release.
The price goes up to $29. If you buy during the launch window, you keep the $19 price forever. No catch, no recurring charges.
Yes. 14-day refund policy, no questions asked. Email hello@mistline.app with your order details.
Pay once, use forever. Free updates for the current major version.
Get notified when Mistline launches. No spam, just the announcement.