Koskamo

THIRI Chord Intelligence MCP

A deterministic harmony engine for music software and AI agents that analyzes chords, resolves progressions, generates voicings, reharmonizes sequences, and conducts full ensemble passes using pitch-class-set theory.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

THIRI Chord Intelligence MCP logo, by Blues Prince MediaVendor evidenceLocal stdioSource reviewed; not executedOperated by Blues Prince Media
You need:Free API key (1,000 calls a month) and higher quota tiers (Theory Pro, Developer, Commercial Licence)
Vendor documentation

What you can do with it

  • Analyze chord pitch classes, quality, and function in a key
  • Resolve chords to determine likely next steps
  • Generate playable voicings with voice leading
  • Reharmonize progressions while keeping melody legal

Source and maintenance

Vendor evidenceRegistry 0.5.2
mcp-registry: ai.thiri/chord-intelligence@0.5.2Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@bluesprincemedia/thiri-mcp 0.5.2

npm
@bluesprincemedia/thiri-mcp package definition
{
  "version": "0.5.2",
  "transport": "stdio",
  "identifier": "@bluesprincemedia/thiri-mcp",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "THIRI_API_KEY",
      "isRequired": true,
      "description": "THIRI API key (sk_live_…) — free at build.thiri.ai/developers"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "thiri-chord-intelligence-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp@0.5.2"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "thiri-chord-intelligence-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp@0.5.2"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "thiri-chord-intelligence-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp@0.5.2"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "thiri-chord-intelligence-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp@0.5.2"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

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