THIRI Chord Intelligence

MCP server · by thiri

AI Agents npmStreamable HTTP v0.5.2

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

View source ↗ Website ↗ Generate config for multiple servers More servers

Install

Pin version registry version 0.5.2

npm
npx -y @bluesprincemedia/thiri-mcp

npm
npx -y @bluesprincemedia/thiri-mcp@0.5.2

Streamable HTTP
https://mcp.thiri.ai/mcp

Setup by client

Pick your client — the config below is generated for this server (both local and hosted-endpoint forms). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "chord-intelligence": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "chord-intelligence": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp@0.5.2"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

Remote (hosted) endpoint

https://mcp.thiri.ai/mcp

Claude Desktop: Settings → Connectors → Add custom connector, paste this URL.

Format verified against the official Claude Desktop docs ↗.

terminal

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

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

terminal

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

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "chord-intelligence": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "chord-intelligence": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp@0.5.2"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

.cursor/mcp.json (hosted endpoint)

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

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "chord-intelligence": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "chord-intelligence": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp@0.5.2"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

.vscode/mcp.json (hosted endpoint)

{
  "servers": {
    "chord-intelligence": {
      "type": "http",
      "url": "https://mcp.thiri.ai/mcp"
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "chord-intelligence": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "chord-intelligence": {
      "command": "npx",
      "args": [
        "-y",
        "@bluesprincemedia/thiri-mcp@0.5.2"
      ],
      "env": {
        "THIRI_API_KEY": "<YOUR_THIRI_API_KEY>"
      }
    }
  }
}

mcp_config.json (hosted endpoint)

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

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

THIRI_API_KEY required secret — THIRI API key (sk_live_…) — free at build.thiri.ai/developers

GitHub

⭐ 11 stars · 最近更新于 23 天前

About this server

🎷 THIRI Chord Intelligence — MCP Server Give your AI real music theory. THIRI is the deterministic music theory MCP server + API for AI builders — it lets Claude, Cursor, or any MCP agent analyze chords, run roman numeral analysis, generate voicings, and reharmonize progressions with answers that a…

Summary from the project README — github.com/BluesPrince/thiri-mcp

Distributed as npm, Streamable HTTP, listed under AI Agents. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the THIRI Chord Intelligence MCP server do?

How do I install THIRI Chord Intelligence?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is THIRI Chord Intelligence free to use?

The MCP server itself is free to install. The source is public on https://github.com/BluesPrince/thiri-mcp. Any third-party service it calls may require its own API key and account.

Which clients support THIRI Chord Intelligence?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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