{
  description = "Shango Mesh — Auto-Regressive Network Layer";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";

  outputs = { self, nixpkgs, ... }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };
    in
    {
      packages.${system} = {
        shango-cli = pkgs.writeShellScriptBin "shango" ''
          export PYTHONPATH="/root/shango/shango-daemon:/root/shango/mcp-builder:/root/shango/glm-trainer:/root/shango/shango-cli:/root/shango/shango-maieutic:/root/shango/ivoire-forge''${PYTHONPATH:+:$PYTHONPATH}"
          ${pkgs.python3}/bin/python /root/shango/shango-cli/shango_cli.py "$@"
        '';

        shango-daemon = pkgs.writeShellScriptBin "shango-daemon" ''
          export PYTHONPATH="/root/shango/shango-daemon''${PYTHONPATH:+:$PYTHONPATH}"
          ${pkgs.python3}/bin/python /root/shango/shango-daemon/shango_daemon.py "$@"
        '';

        mcp-builder = pkgs.writeShellScriptBin "mcp-builder" ''
          export PYTHONPATH="/root/shango/mcp-builder:/root/shango/.venv/lib/python3.12/site-packages''${PYTHONPATH:+:$PYTHONPATH}"
          ${pkgs.python3}/bin/python /root/shango/mcp-builder/mcp_builder.py "$@"
        '';

        glm-trainer = pkgs.writeShellScriptBin "glm-trainer" ''
          export PYTHONPATH="/root/shango/glm-trainer''${PYTHONPATH:+:$PYTHONPATH}"
          ${pkgs.python3}/bin/python /root/shango/glm-trainer/glm_trainer.py "$@"
        '';

        forge = pkgs.writeShellScriptBin "forge" ''
          export PYTHONPATH="/root/shango/ivoire-forge''${PYTHONPATH:+:$PYTHONPATH}"
          ${pkgs.python3}/bin/python /root/shango/ivoire-forge/shango_forge.py "$@"
        '';
      };

      apps.${system} = {
        shango = {
          type = "app";
          program = "${self.packages.${system}.shango-cli}/bin/shango";
        };
        "mcp-builder" = {
          type = "app";
          program = "${self.packages.${system}.mcp-builder}/bin/mcp-builder";
        };
        "glm-trainer" = {
          type = "app";
          program = "${self.packages.${system}.glm-trainer}/bin/glm-trainer";
        };
      };

      devShells.${system}.default = pkgs.mkShell {
        buildInputs = [ pkgs.python3 pkgs.tailscale ];
        shellHook = ''
          export PYTHONPATH="/root/shango/shango-daemon:/root/shango/mcp-builder:/root/shango/glm-trainer:/root/shango/shango-cli:/root/shango/shango-maieutic''${PYTHONPATH:+:$PYTHONPATH}"
          echo "[Shango Shell] shango status | shango heal | shango singularize | shango maieutic"
        '';
      };
    };
}