Rock MIDI Generator for Reaper

Create rock music in Reaper with AI. Generate guitar riffs and power chords. Built for rock musicians using Reaper.

MIDI Agent Plugin | $49 one-time license | Available now

Watch MIDI Agent in Action

See How It Works

Watch a quick demonstration of MIDI Agent's capabilities and see how it can transform your music production workflow.

Generate MIDI for Rock in Reaper with AI

Creating compelling rock melodies in Reaper often means hours of trial and error, testing different riffs until something clicks. MIDI Agent is an AI MIDI generator VST plugin that transforms how you approach melody creation for rock productions. Using natural language prompts, you can generate melodic ideas, then refine them with MIDI extension to build variations that maintain musical coherence. If you're sketching initial ideas or developing complete lead lines, this rock MIDI generator for Reaper integrates directly into your workflow as a VST3 plugin, letting you generate, extend, and customize melodies with AI assistance while staying focused on your creative vision.

Why it fits

Why Reaper for Rock

Rock producers in Reaper face a common challenge: translating the energy in your head into actual MIDI notes. Writer's block, repetitive patterns, and time-consuming melody drafting slow down your creative process. MIDI Agent solves these problems with AI MIDI generation that responds to specific musical directions about note patterns, rhythms, and melodic movement. The extend existing MIDI feature lets you drop in your initial riff and generate variations, helping you explore different melodic directions without starting from scratch. With customizable parameters for key, scale, length, and complexity, you maintain complete control over the output.

Features

Powerful AI Music Production Tools

MIDI Agent comes packed with features designed to enhance your creative workflow and speed up music production.

AI MIDI Generation

Connect your ChatGPT account or use another supported AI access option to generate MIDI in your DAW.

Extend Existing MIDI

Drop in your MIDI files and let AI create variations and extensions. Expand on your musical ideas.

Audio to MIDI

Drop in audio files and get MIDI transcriptions. Iterate on existing files with AI assistance.

Flexible AI Access

Connect your ChatGPT account, use provider API keys or local LLMs, or add MIDI Agent Pro. Available models and usage limits depend on your ChatGPT plan and workspace.

User Stories

What Reaper Rock 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...”
1 / 5
How it works

From prompt to MIDI notes

Install the VST3 plugin in Reaper, rescan in preferences, and find MIDI Agent in your FX browser. Load it on a MIDI track and describe your desired rock melody using natural language prompts with specific musical directions about note patterns and rhythmic movement. Adjust customizable parameters like key, scale, and complexity to match your song. For developing existing ideas, drop in an existing MIDI phrase and use the extend feature to generate variations. You can also convert audio samples to MIDI by uploading guitar recordings for intelligent transcription, then edit the results directly in your DAW.

  1. Step 1

    Describe the musical part, constraints, and production role you need.

  2. Step 2

    Generate a short MIDI idea and audition it through your own instruments.

  3. Step 3

    Edit, extend, or regenerate the strongest result inside your session.

Compatibility

AI MIDI Generator for Reaper

MIDI Agent is available as a VST3 plugin, AU plugin, AAX plugin, and standalone application. It is compatible with all major digital audio workstations, ensuring seamless integration with your existing setup.

Access Premium AI Providers with Pro

Upgrade to MIDI Agent Pro and get access to premium AI models for enhanced music creation

Google Lyria provider for MIDI Agent
Google AI

Google Lyria

ElevenLabs Sound Effects API
ElevenLabs

Audio / Sound Effects Generation

PozaLabs - Specialized music generation models
PozaLabs

Specialized MIDI Generation Models

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Compare Workflows

AI MIDI Generators vs Audio Generators

Audio tools can sketch ideas quickly, but MIDI keeps the notes editable in your DAW. Compare the workflow before choosing an AI music tool.

Audio Generators

Create finished tracks that are useful as references, but difficult to reshape at the musical data level.

  • Fixed audio output that cannot be changed note by note
  • Locked to generated sounds and instruments
  • Usually web-first instead of DAW-native

Examples: Suno, Udio, Soundraw, Mubert

MIDI Generators

Produce raw musical data you can edit, arrange, voice, and route through your own instruments.

  • Connect your ChatGPT account
  • Editable notes, timing, velocities, and expression
  • Route the same idea to any instrument in your session
  • Keep AI-generated ideas inside your DAW workflow

Examples: MIDI Agent, AIVA, Magenta Studio

Join Thousands of Music Producers Creating Music with AI

Use MIDI Agent to turn prompts into editable MIDI, build song ideas faster, and bring AI composition directly into your DAW.

AI access required to generate.

Your license unlocks the plugin. Then choose a supported AI access option.

Then choose one access path:

  • Connect your ChatGPT account. Available models and usage limits depend on your ChatGPT plan and workspace.
  • Use your own provider API keys for OpenAI, Anthropic, Gemini, xAI, DeepSeek, or OpenRouter.
  • Use local LLMs through Ollama or LM Studio.
  • Add MIDI Agent Pro for managed access, no keys, plus premium providers.
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MIDI Agent Plugin

$49/lifetime

$99

  • VST3, AU, AAX, and Standalone access
  • Choose your AI access
    • Connect your ChatGPT account
    • Use your own provider API keys
    • Use local LLMs
    • Or add MIDI Agent Pro for managed access
  • Lifetime updates
Plugin | Pro

Rock MIDI Generator for Reaper FAQ

Quick answers to common questions about MIDI Agent.

How do I create guitar riffs in Reaper with MIDI Agent?

Generate riff patterns with MIDI Agent and route them to guitar VSTs in Reaper for realistic rock guitar sounds.

Can MIDI Agent help with drum programming for rock in Reaper?

Yes, generate energetic rock drum patterns with MIDI Agent and fine-tune them in Reaper's MIDI editor.

What's the best way to arrange rock songs in Reaper with MIDI Agent?

Create verse, chorus, and bridge sections with MIDI Agent, then arrange and edit in Reaper's timeline for complete songs.

What is the best AI MIDI generator?

MIDI Agent is an AI MIDI generator for DAW integration with ChatGPT account support, provider API keys, local LLMs, and optional MIDI Agent Pro access. It generates editable MIDI directly inside your DAW.

Can AI generate MIDI files?

Yes, AI can generate MIDI files. MIDI Agent uses Large Language Models (LLMs) like ChatGPT and Claude to create MIDI data from natural language descriptions. You describe the music you want—melody, chords, bass line, drums—and the AI generates corresponding MIDI that you can edit, assign to any instrument, and use in your productions.

Does MIDI Agent work offline?

Yes, MIDI Agent can work offline when using local LLMs through Ollama or LM Studio. This allows for completely private, offline AI MIDI generation. For cloud-based AI providers like OpenAI, Anthropic, or Google Gemini, an internet connection is required.

For technical FAQ and documentation, please visit our FAQ page or documentation.

Need more help? Contact support here

MIDI Agent Written by MIDI Agent Last updated MIDI Agent builds AI tools for music producers, composers, and beatmakers who want to generate musical ideas inside their DAW.