Midicord

A friction-free MIDI recorder app with AI melody expansion.

Features

• Auto-record: Starts recording when you play, stops after silence
• Practice diary: GitHub-style heatmap of your practice sessions
• Piano roll visualization: See your recordings visually
• AB looping & speed control: Practice tools built-in
• AI expansion: Use AI to harmonize, continue, or create variations of your melodies

Setup

1. Install Flutter: https://flutter.dev/docs/get-started/install
2. Clone this repo
3. Run flutter pub get
4. Connect your MIDI device via USB
5. Run flutter run

Configuration

For AI features, you'll need an OpenRouter API key:

1. Get a key at https://openrouter.ai/
2. Open the app settings and enter your API key

Tech Stack

• Flutter (cross-platform iOS/Android)
• flutter_midi_command (MIDI I/O)
• sqflite (local storage)
• OpenRouter API (AI features)