THIRI Chord Intelligence

ai.thiri/chord-intelligenceVersion 0.5.2

Deterministic music theory for agents: analyze, voice, reharmonize, conduct — computed, not guessed

Status

Responds252 msNov 14, 2026, 13:34 UTCAnswered our handshake without sign-in.

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://mcp.thiri.ai/mcpResponds252 msNov 14, 2026, 13:34 UTC

No sign-in

claude mcp add --transport http chord-intelligence https://mcp.thiri.ai/mcp

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Settings > Connectors > Add custom connector
Name: chord-intelligence
Remote MCP server URL: https://mcp.thiri.ai/mcp

{
  "mcpServers": {
    "chord-intelligence": {
      "url": "https://mcp.thiri.ai/mcp"
    }
  }
}

code --add-mcp '{"name":"chord-intelligence","type":"http","url":"https://mcp.thiri.ai/mcp"}'

Streamable HTTP

npm: @bluesprincemedia/thiri-mcp 0.5.2

Package only

claude mcp add chord-intelligence -e 'THIRI_API_KEY=<YOUR_THIRI_API_KEY>' -- npx -y @bluesprincemedia/thiri-mcp@0.5.2

Replace <YOUR_THIRI_API_KEY> before running.

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4 tools

Tools of THIRI Chord Intelligence
	Description		Read-only	Idempotent	Open world
`analyze_chord`Parse a chord into root, quality, intervals, and (with a key) roman numeral + function. Numerals use the jazz convention by default (Cmaj7 in Am = ♭IIIΔ7); both jazz and classical numerals are always returned in `numerals`, and other valid readings in `alternatives`. Pass `scale` to read a minor key as harmonic or melodic minor.	Parse a chord into root, quality, intervals, and (with a key) roman numeral + function. Numerals use the jazz convention by default (Cmaj7 in Am = ♭IIIΔ7); both jazz and classical numerals are always returned in `numerals`, and other valid readings in `alternatives`. Pass `scale` to read a minor key as harmonic or melodic minor.	No	Yes	Yes	No
`generate_voicing`Instrument-ready voicing in a style; pass previousNotes for a voice-leading score.	Instrument-ready voicing in a style; pass previousNotes for a voice-leading score.	No	Yes	Yes	No
`reharmonize`Reharmonize a progression. Techniques: tritone_sub, ii_v_insertion, modal_interchange, diminished_passing, secondary_dominant, chain_of_dominants, coltrane_changes, backdoor (or auto).	Reharmonize a progression. Techniques: tritone_sub, ii_v_insertion, modal_interchange, diminished_passing, secondary_dominant, chain_of_dominants, coltrane_changes, backdoor (or auto).	No	Yes	Yes	No
`resolve_chord`Resolve a chord to spelled notes, frequencies, MIDI, and recommended scales.	Resolve a chord to spelled notes, frequencies, MIDI, and recommended scales.	No	Yes	Yes	No

Registry status: Active
Published: Aug 1, 2026
Updated: Aug 1, 2026
Website: https://thiri.ai/⁠ (opens in a new tab)
Repository: https://github.com/BluesPrince/thiri-mcp⁠ (opens in a new tab)
Categories (suggested): Design and mediaSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared