ChatGPT Plugin

Flat

Create and read sheet music

Brand: Flat

Category: Consumer & Lifestyle
Primary Subcategory: Music Practice Tools

Integration details

Description

Flat is an online music notation editor for writing and reading sheet music. This plugin lets users work with the scores in their own Flat account from ChatGPT. They can turn notation ChatGPT writes or converts (MusicXML, MIDI, ABC, MuseScore, Guitar Pro) into a new score and open it in Flat's editor, search their scores and collections by title, composer or instrumentation, read a score's details (title, composer, instruments, duration, measures), and export a score's notation as MusicXML or MIDI for analysis, arrangement or transposition. New scores are created private or link-only; publishing stays a decision the user makes in Flat.

Integration type: Plugin
Verification status: Not applicable
Platform: ChatGPT
Category: Consumer & Lifestyle
Primary Subcategory: Music Practice Tools
Secondary Subcategories: None listed
Brand: Flat
Access: Account required
First tracked: 2026-10-22
Tool count: 4
Geography: US

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Primary Subcategory

Competing in ChatGPT Music Practice Tools

View Category

Listed in alphabetical order

Primary Subcategory

123 PianoComing soonGet notified

Beatwise MetronomeComing soonGet notified

Drums kit- Learn+improve w AI!Coming soonGet notified

FlatComing soonGet notified

HitJam PianoComing soonGet notified

Tools

4 tools agents can invoke

Create a new score in the customer's Flat account from notation you provide, and return a link they can open. Prefer MusicXML: it is the only format that preserves all notation detail.
score_create
Get the notation of a score. MusicXML (`musicxml`, the default) and compressed MusicXML (`mxl`) are always returned inline, `mxl` base64-encoded; `midi` returns a short-lived download URL by default, or inline with `inline: true`. If a MusicXML export comes back too large, retry with `mxl`, which is the same notation compressed. For title, instrumentation and other descriptive fields, use `score_get` instead.
score_export
Get the descriptive details of one score: title, composer, instrumentation, dates and a link. Returns metadata only and never the notation. Use `score_export` when you need the music itself.
score_get
Search the customer's own scores and collections in Flat. Use this to find something they refer to in conversation before acting on it. Every result states its type.
search

FAQs

Flat ChatGPT Plugin FAQ

How the directory, categories and Discoverability Score work.

Read the methodology

How do I improve Flat's ChatGPT Plugin discoverability?

The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.

What are Flat alternatives on ChatGPT?

As of 2026-10-22, Flat competes with 123 Piano, Beatwise Metronome, Drums kit- Learn+improve w AI!, HitJam Piano, Keyshift Chord Transposer, MasterPiano, Metronome: Music tempo+beat, Music Block and 4 more in ChatGPT Music Practice Tools, ranked by public Discoverability Score.

Where is this profile measured?

This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.