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Keyshift Chord Transposer

Transpose chord sheets between keys and compare guitar capo options.

Custom connections require support in your AI app, plan, and workspace. Follow the host guide before you use the prompt.

A TASK TO TRY

Give the plugin a clear task.

Transpose C F G Am from C to F. Lyrics: Lanterns glow beside the gate.

BEFORE YOU CONNECT

Check the limits.

No real ChatGPT or Claude conversation has been tested. Widget testing in the launch report used a local headless browser only.

  • Review the transposed chord sheet before performing. No audio or pitch detection.

WHAT THE SERVER EXPOSES

3 functions to request.

Names and descriptions below come from live MCP discovery. They describe the server; they are not a test of every function in ChatGPT or Claude.

Transpose chordstranspose_chords

Use this when you want to transpose chords or change the key of a song. Accepts a sheet up to 12,000 characters, chords above lyrics or ChordPro brackets; choose semitones -11 to +11, from_key with to_key, or capo_fret 0 to 9. Returns key change, chord mapping, widget sheet and a Latin-only Courier PDF. Chord names only; does not process audio, tablature or staff notation. Key estimates can be wrong for songs that change key.

Find capo optionsfind_capo_options

Use this when you want a capo chart or capo calculator for a sounding key or chord list. Returns frets 0 to 9, the shapes to play and easy open chord counts. Supply one key or 1 to 100 chord names, each up to 80 characters. Does not process audio, tablature or staff notation; ease counts chord names, not fingering variations.

Show chord sheetshow_chord_sheet

Use this when you want a live chord sheet with -1 and +1 semitone controls. Accepts 1 to 12,000 characters in chord-line or ChordPro format; controls call transpose_chords. Shows the original key and chord counts plus a Latin-only Courier PDF. Chord names only; does not process audio, tablature or staff notation. Key estimates can be wrong for songs that change key.

Connect. Ask. Check.

  1. Use the setup guide for ChatGPT or Claude. Copy this plugin's endpoint.
  2. Connect the tool. Paste the sample prompt and supply the inputs it needs.
  3. Review the result before you rely on it. Check the source tool's limits and privacy terms.

Prefer the browser?

You can also use the source tool website.