Flutvio

A terminal-first macOS workspace for Flutter — run any AI coding agent, wired to the iOS Simulator.

Download for macOS · Website · Features · Install · The flutvio command · Roadmap

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Why Flutvio

AI coding agents — Claude Code, OpenCode, Codex, Gemini CLI, Aider — live in the terminal. Flutter development lives in a simulator. Today those are two separate windows, and the agent is blind: it edits your Dart code but cannot see the screen it just changed, tap a button, or read the app's logs.

Flutvio puts them in one window and connects them:

• The terminal is the main pane, not a small panel at the bottom of an editor. Whatever agent you run in it is the "AI" of the workspace — nothing is hard-coded to one vendor.
• The iOS Simulator sits beside it, mirrored live at 60 fps, and you can touch it.
• A flutvio command is on the PATH of every terminal, so the agent can hot reload, take a screenshot, read what is on screen, tap, type, and read the logs — and check its own work.

Everything else an IDE has (files, an editor, git, diffs) is there, but out of the way until you ask for it.

Features

Terminal first

• Full terminal (xterm.js + a real PTY): tabs, up to four split panes, 10,000 lines of scrollback.
• Tabs name themselves after what runs in them — zsh → claude → zsh — with the agent's colour and a pulse while it works.
• Mac editing keys work the way you expect: hold ⌫, ⌥⌫ word, ⌘⌫ line, ⌥←/→, ⌘←/→, ⇧↩ for a new line in agent prompts.
• Arabic and other right-to-left text reads correctly in the terminal — a first-class concern, not an afterthought.

Any agent, connected to the simulator

• Works with any CLI agent: Claude Code, OpenCode, Codex, Gemini CLI, Aider, Cursor Agent, Amp, Goose…
• The flutvio command lets the agent see and drive the simulator and the running app.
• One click adds a short section about it to your project's AGENTS.md.
• Sessions: browse and resume past Claude Code, OpenCode, Codex and Gemini sessions for the project.

Agent panel

• For Claude Code: how full the context window is, model, plan, prompts sent, compactions, and "limit reached — resets at …".
• A small context meter in the tab strip, visible while you type.
• MCP servers and connectors with their real status (connected / needs sign-in / failed).
• Read from the agent's own local files. Nothing is sent anywhere.

Notifications

• When an agent finishes its turn, or asks for you, while you are in another tab or another app: a dot on the tab, a bell with a count, a toast, a macOS notification and a Dock badge. Click to jump to that terminal.
• Long commands (builds, tests) that end in the background notify too.

Flutter built in

• Run, stop, hot reload and hot restart from the title bar or the keyboard; hot reload on save.
• Embedded iOS Simulator: Xcode's own simulator mirrored in the window (H.264 over idb_companion), with touch, keyboard, hardware buttons, rotation and screenshots. Off until you open it — closed means nothing runs.
• Flutter tab: a dedicated shell with pub get, upgrade, outdated, clean, analyze, test, doctor, builds and "add package" one click away, plus the running app's output.
• Device picker for every device flutter lists.

The rest of an IDE, when you want it

• Changes: a live "Files changed" view — watch an agent's edits appear as diffs while it works.
• Git: stage, commit, push, pull, branches, history graph, git worktrees, and GitHub pull requests (list, review, create, merge) through the gh CLI.
• Editor: Monaco with Dart completion, errors, hover, go-to-definition and format on save (Dart language server).
• File tree, built-in browser pane, five themes, a searchable keyboard-shortcut list.

Screenshots

Flutter tab — everyday commands and the app's output	Driving the app from the terminal with flutvio
Notifications when an agent finishes elsewhere	Editor with Dart completion
Split terminals	Themes

Install

1. Download Flutvio-<version>-mac-arm64.dmg from the latest release.
2. Open it and drag Flutvio to Applications.
3. Launch it. The app is signed with a Developer ID and notarized by Apple, so it opens without warnings.

The app is open source and built from this repository; you can also build it yourself. Each release lists SHA-256 checksums.

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