THIRI Chord Intelligence by thiri.ai

MCP server · Music generation · indexed, not reviewed

HostedLocalvendor's own

Not reviewed

No score, grade or rank. This listing is facts from the official MCP registry and our own checks, and it stays out of the rankings until the panel reviews it.

How the index works

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

What the official MCP registry says

Facts

MCP registry
ai.thiri/chord-intelligence · 0.5.2
Endpoint
https://mcp.thiri.ai/mcp
Packages
npm @bluesprincemedia/thiri-mcp stdio
Website
thiri.ai
npm / week
61
GitHub stars
10
Registry entry
updated 1 Aug 2026

From the official MCP registry, the package registries and our own checks. JSON · Markdown

Why it's listed

  • It's published in the registry under thiri.ai, a namespace the registry only gives to whoever proves they control that domain.

Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.

Tools it lists 5 · about 749 tokens of context · checked 16 minutes ago

ToolWhat it doesHint
analyze_chordParse a chord into root, quality, intervals, and (with a key) roman numeral + function.read-only
resolve_chordResolve a chord to spelled notes, frequencies, MIDI, and recommended scales.read-only
generate_voicingInstrument-ready voicing in a style. Tension symbols voice by seat substitution (arranging practice, not stacking): 9/b9/#9 replace the root, #11/13/b13 replace the 5th, the 3rd and 7th are untouched guide tones. Pass…read-only
reharmonizeReharmonize a progression. Techniques: tritone_sub, ii_v_insertion, modal_interchange, diminished_passing, secondary_dominant, chain_of_dominants, coltrane_changes, backdoor (or auto).read-only
conduct_bandArrange a 4-piece band from a natural-language prompt. Returns conductor tempo/groove, 4 lanes of note events, lead sheet, and base64 MIDI. Audio render (Csound → WAV) stays on local thiri-conductor-mcp / POST…read-only

What https://mcp.thiri.ai/mcp answered to tools/list, asked without credentials over MCP 2025-11-25. The token figure is the size of the list as sent, divided by four; a model sees about that much before it calls anything. Full definitions, input schemas included, are in the listing's JSON under mcpTools.

How its tools read to an agent 0 errors · 5 warnings · 1 note

  • warnTC11analyze_chordnone of its 2 parameters has a description
  • warnTC11conduct_bandnone of its 2 parameters has a description
  • warnTC11generate_voicingnone of its 6 parameters has a description
  • warnTC11reharmonizenone of its 3 parameters has a description
  • warnTC11resolve_chordits one parameter, chord, has no description
  • noteTC24server5 of 5 tools have no outputSchema

The checks from /check and anchor check, run each day on the list above: about 749 tokens of definitions. Not part of the score yet. Check your own server.

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