Deterministic music-theory MCP server and API for AI agents — analyze chords, run Roman-numeral analysis, generate voicings, and reharmonize progressions. Computed from music theory, not hallucinated.
| Tool name | Description | Destructive? |
|---|---|---|
| create_composition | ✓ no | |
| compose_progression | ✓ no | |
| revoice_progression | ✓ no | |
| reharmonize_section⚠ | ⚠ yes | |
| set_chord | ✓ no |
| render_composition | ✓ no | |
| export_midi | ✓ no | |
| play_composition | ✓ no | |
| inspect_composition | ✓ no | |
| list_compositions | ✓ no | |
| analyze_chord | ✓ no | |
| resolve_chord | ✓ no | |
| generate_voicing | ✓ no | |
| reharmonize⚠ | ⚠ yes |