mcp server

README.md

@@ -21,6 +21,7 @@ This repository provides Nix derivations for MCP (Model Context Protocol) server
 | sabnzbd-mcp                  | MCP server for SABnzbd download management                   | Python     |
 | jellyfin-mcp                 | MCP server for Jellyfin — search, playback, metadata, admin  | Go         |
 | zotero-mcp                   | Connect Zotero research library with AI assistants            | Python     |
+| mcp-score                    | AI-driven music score generation and MuseScore live control   | Python     |
 
 ## Usage
 

opencode.json

@@ -91,6 +91,11 @@
         "JELLYFIN_URL": "PLACEHOLDER",
         "JELLYFIN_API_KEY": "PLACEHOLDER"
       }
+    },
+    "mcp-score": {
+      "type": "local",
+      "command": ["mcp-score", "serve"],
+      "enabled": true
     }
   }
 }

packages/default.nix

@@ -25,5 +25,6 @@
   jellyfin-mcp = pkgs.callPackage ./jellyfin-mcp/package.nix { };
   nextcloud-mcp-server = pkgs.callPackage ./nextcloud-mcp-server/package.nix { };
   annas-mcp = pkgs.callPackage ./annas-mcp/package.nix { };
+  mcp-score = pkgs.callPackage ./mcp-score/package.nix { };
   # example-mcp-server = pkgs.callPackage ./example-mcp-server/package.nix { };
 }

packages/mcp-score/package.nix

@@ -0,0 +1,76 @@
+{
+  lib,
+  python313Packages,
+  fetchFromGitHub,
+  fetchPypi,
+}:
+
+let
+  # music21 is not in nixpkgs; vendor it (upstream mcp-score pins >=9.0,<10)
+  music21 = python313Packages.buildPythonPackage rec {
+    pname = "music21";
+    version = "9.9.2";
+    format = "wheel";
+
+    src = fetchPypi {
+      inherit pname version;
+      format = "wheel";
+      dist = "py3";
+      python = "py3";
+      hash = "sha256-ZIAQq40TKNCxB0bO8UV+hLEidM0xYkgifpbSHielGMo=";
+    };
+
+    propagatedBuildInputs = with python313Packages; [
+      chardet
+      joblib
+      jsonpickle
+      matplotlib
+      more-itertools
+      numpy
+      requests
+      webcolors
+    ];
+
+    doCheck = false;
+    pythonImportsCheck = [ "music21" ];
+
+    meta = with lib; {
+      description = "Toolkit for computer-aided musicology";
+      homepage = "https://github.com/cuthbertLab/music21";
+      license = licenses.bsd3;
+    };
+  };
+in
+python313Packages.buildPythonApplication rec {
+  pname = "mcp-score";
+  version = "0.1.0-unstable";
+
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "tskovlund";
+    repo = "mcp-score";
+    rev = "3ff9d4b6504fcee5032c44fdcf7dc1d7a21a4b5d";
+    hash = "sha256-zrpvzxi8AbF5/etuvMZLni4HSFBYGRe55rpKJJEAg60=";
+  };
+
+  build-system = with python313Packages; [
+    hatchling
+  ];
+
+  dependencies = with python313Packages; [
+    mcp
+    music21
+    websockets
+  ];
+
+  pythonImportsCheck = [ "mcp_score" ];
+
+  meta = with lib; {
+    description = "MCP server for AI-driven music score generation and manipulation via MusicXML and MuseScore";
+    homepage = "https://github.com/tskovlund/mcp-score";
+    license = licenses.mit;
+    mainProgram = "mcp-score";
+    platforms = platforms.all;
+  };
+}