AI MIDI Generator for GarageBand
Generate AI-powered MIDI in GarageBand. Use ChatGPT and Claude to create music. AU plugin for GarageBand users on Mac and iOS.

Generate Music in GarageBand with AI
Struggling to find inspiration for your next track in GarageBand? Introducing MIDI Agent, the essential AI MIDI Generator for GarageBand that seamlessly integrates advanced composition tools directly into your production workflow. This powerful VST3/AU plugin is designed to eliminate creative roadblocks by providing three core methods for musical creation. Firstly, utilize AI-Powered MIDI Generation to instantly generate melodies and chord progressions using natural language prompts. Define the key, scale, length, and complexity with customizable parameters, generating real-time MIDI directly within your DAW. Secondly, producers can refine existing ideas using Continue Existing MIDI, allowing you to drop in any MIDI file and have the AI create meaningful variations or extensions while maintaining musical coherence. Finally, transform external inspiration into editable tracks with Audio to MIDI, an intelligent transcription feature that extracts musical ideas, complex harmonies, and rhythms from recorded audio samples. With flexible API options, including using your own keys (OpenAI, Google Gemini) or subscribing to MIDI Agent Pro for managed service, MIDI Agent offers a comprehensive solution for accelerating music production in any genre.
Why GarageBand
GarageBand producers often face challenges in quickly generating complex, cohesive musical ideas without deep theoretical knowledge. MIDI Agent directly addresses these pain points. The AI-Powered MIDI Generation feature allows you to bypass laborious note input by simply describing the direction you want to take, adhering to the best practice of giving specific musical directions and rhythmic instructions. This is crucial for developing full compositions rapidly. When you have a great 1-2 bar loop but need a bridge or variation, the Continue Existing MIDI function is invaluable, enabling you to iterate quickly and extend sections while maintaining musical coherence. Furthermore, GarageBand users can capture musical moments from field recordings or performances using Audio to MIDI, which intelligently transcribes musical ideas from high-quality audio, allowing you to edit and refine the resulting MIDI data directly. This integration streamlines the composition process, turning conceptual ideas into editable MIDI tracks inside your preferred DAW.
Powerful AI Music Tools for GarageBand
MIDI Agent combines cutting-edge AI technology with intuitive music production tools to enhance your creative workflow.
AI-Powered MIDI Generation
Make music with ChatGPT, Claude, Grok, Gemini, and more. Prompt new music right into your DAW.
- Generate melodies, chord progressions, and full compositions with natural language prompts
- Support for multiple AI providers including OpenAI, Anthropic, Google, DeepSeek, and more
- Customizable generation parameters including key, scale, length, and complexity
- Real-time MIDI generation directly in your DAW workflow

Continue Existing MIDI
Drop in your MIDI files and let AI create variations and continuations. Expand on your musical ideas.
- Extend your existing melodies and progressions with AI assistance
- Generate variations on your themes while maintaining musical coherence
- Overcome creative blocks by letting AI suggest new directions
- Seamlessly blend human creativity with AI-powered suggestions

Audio to MIDI
Drop in audio files and get MIDI transcriptions. Iterate on existing files with AI assistance.
- Convert audio samples to MIDI with intelligent transcription
- Extract musical ideas from recorded performances
- Transcribe complex harmonies and rhythms with AI precision
- Edit and refine transcriptions directly in your DAW

Flexible API Options
Use your own API keys or opt for our managed subscription service. You choose how to power your creative process.
- Connect with your existing API keys from OpenAI, Anthropic, and more
- Option to use our managed subscription for simplified billing
- Transparent usage tracking and cost management
- Seamless switching between different AI providers

How It Works
To begin using the AI MIDI Generator for GarageBand, ensure you have installed the AU plugin format in the correct location: /Library/Audio/Plug-Ins/Components
, and then restart GarageBand. Once loaded, you can utilize the core features. To generate new content, use AI-Powered MIDI Generation and provide specific musical directions in the prompt (e.g., describe note patterns, specify melodic movement). If you have existing MIDI, drop it into the plugin and use Continue Existing MIDI, starting with short sections (1-2 bars) and iterating quickly. For external inspiration, feed high-quality audio files (under 30 seconds) into the Audio to MIDI function to extract and refine transcribed musical data.
Works With GarageBand
MIDI Agent is compatible with all major digital audio workstations, ensuring seamless integration with your existing setup.










What GarageBand Producers Say
Hear from music producers who use MIDI Agent in their creative workflow.
R. Avila
Electronic Music Producer
"I've been thoroughly enjoying MIDI Agent. The interface is incredibly user-friendly, and it keeps getting better with each new update. It understands exactly what I want and helps me quickly create fresh chord progressions and melodies. I absolutely love this plugin."
F. Rodriguez
Film & Television Music Producer
"I love your plugin. I've already made 3 songs from ideas started with this great AI tool. Looking forward to see how others use it."
J. Swinney
Hip Hop Producer
"Best money I've spent on a music vst... a dope way of getting out of beat block."
Frequently Asked Questions
Quick answers to common questions about MIDI Agent.
For technical FAQ and documentation, please visit our FAQ page or documentation.
Need more help? Contact support here
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