Piano 1024
A ChatGPT App

Play the piano inside ChatGPT.

A real synth-piano studio in the chat. Learn songs phrase by phrase, co-write music across turns, name and hear any chord, train your ear, and jam — every note synthesized live on the in-chat keyboard. No samples, no setup.

▶ Add to ChatGPT 🎹 Play the standalone synth

What it can do

play_music
A note, chord, progression, scale, or melody — voiced and playable.
teach_song
Learn a melody phrase by phrase — fingering, lyrics, hands separate.
start_pulse
A metronome in any meter, even compound time like 6/8.
ear_training
Graded interval, chord, and scale drills — the model coaches.

Try saying…

Teach a songTeach me to play Twinkle Twinkle, with fingering.
Co-writeWrite a dreamy progression in A minor, then add a melody — we'll keep tweaking.
Name a chordWhat's in a D minor 7 flat 5 — and play it.
Show a scaleShow me the A minor pentatonic across two octaves.
Train my earQuiz me with interval drills and track my streak.
Keep a pulseGive me a metronome at 96 BPM in 6/8.
JamA 12-bar blues backing in A, and the scale to solo over it.

Add it to ChatGPT

  1. In ChatGPT: Settings → Connectors → Advanced → Developer mode.
  2. Add a connector with this URL, authentication “No authentication”:

https://mcp.piano1024.com/mcp

  1. Open a chat and try any prompt above — a playable Piano 1024 card appears inline.

Tap the card to hear it (ChatGPT blocks autoplay). Everything is synthesized in the widget — no audio is downloaded.