PlayByKey Music Theory
Chords, scales, progressions, transposition, and MIDI tools for music theory AI agents.
Description as published in the official MCP registry.
What we measured
| Endpoint | None listed (runs locally) | registry |
|---|---|---|
| GitHub stars | 1 | github.com/DigitalBrewLLC/playbykey-dev-tools |
| Last push | 2026-09-14 | GitHub API |
| Licence | MIT | GitHub API |
| Registry version | 1.6.0 · active · updated 2026-07-28 | registry |
| Package | npm: @playbykey/theory-mcp | registry |
Packages
npm: @playbykey/theory-mcp
Exists · metadata read 2026-10-05
Latest version: 2.2.0. Last published: 2026-09-14.
Deprecated: no.
Weekly downloads: unavailable · read 2026-10-05. downloads include bots and CI.
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.
Connect
npx -y @playbykey/theory-mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
Related servers
- Music Studio ABC sheet music + Strudel live coding: songs, music videos and spoken duets in ext-apps…
- Lacuna Music Generate AI music via the Lacuna Music API from MCP clients like Claude Desktop & Code.
- musicbrainz-mcp-server Search MusicBrainz artists, releases, works, labels; resolve ISRC/ISWC/barcode; fetch…
- applemusic-mcp Apple Music MCP server: playlists, library, catalog, playback and Up Next, on…
- Music Agent by Nova (CIVAI) I do everything related to music and lyrics
- AImeistrO Autonomous music production for AI agents with MIDI generation, QC and provenance.
Badge for your README
Shows the result of our latest check and links back to this page.
[](https://openforallofus.com/tools/com.playbykey/theory-mcp)Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name com.playbykey/theory-mcp.