feat: add MCP global configuration module, manage Brave Search API key, and set up systemd service for deployment

2025-06-04 15:47:05 +02:00
parent 0fff2f87a5
commit 934471bd88
4 changed files with 66 additions and 10 deletions
--- a/hosts/nb/modules/mcp-global.nix
+++ b/hosts/nb/modules/mcp-global.nix
@@ -0,0 +1,58 @@
+{ config, lib, pkgs, ... }:
+
+let
+  # Fetch MCP servers library
+  mcpServersNix = import (builtins.fetchTarball {
+    url = "https://github.com/dpolakovics/mcp-servers-nix/archive/e068d6aa5d9972987aa8aed198b7bb763b1af161.tar.gz";
+    sha256 = "sha256-yWFrZG9UryIf3EW8BoYNqRU61hL5iyqYrEOX0wXWuhk=";
+  }) { inherit pkgs; };
+
+  # Build MCP configuration
+  mcpJsonConfig = mcpServersNix.lib.mkConfig pkgs {
+    programs = {
+      fetch.enable            = true;
+      brave-search = {
+        enable  = true;
+        envFile = config.sops.secrets.mcp-brave-env.path;
+        # envFile = "/run/secrets/mcp-brave-env";
+      };
+      puppeteer.enable        = true;
+      # memory.enable           = true;
+      sequential-thinking.enable = true;
+    };
+    settings = {
+      mcpServers.nixos = {
+        command = "nix";
+        args    = [ "run" "github:utensils/mcp-nixos" "--" ];
+      };
+    };
+  };
+
+  setupMcpConfigDominik = pkgs.writeShellScript "setup" ''
+    ${pkgs.coreutils-full}/bin/mkdir -p /home/dominik/.config/Code/User/globalStorage/rooveterinaryinc.roo-cline/settings
+    if [ -f /home/dominik/.config/Code/User/globalStorage/rooveterinaryinc.roo-cline/settings/mcp_settings.json ]; then
+      echo "Removing old mcp.json…"
+      rm /home/dominik/.config/Code/User/globalStorage/rooveterinaryinc.roo-cline/settings/mcp_settings.json
+    fi
+    ${pkgs.coreutils-full}/bin/ln -s ${builtins.toString mcpJsonConfig} \
+       /home/dominik/.config/Code/User/globalStorage/rooveterinaryinc.roo-cline/settings/mcp_settings.json
+  '';
+in
+{
+  # Manage Brave Search API key file via sops
+  sops.secrets.mcp-brave-env = {
+    owner = "dominik";
+  };
+
+  # Systemd service to deploy to VSCode globalStorage
+  systemd.services."setup-roo-mcp-config-dominik" = {
+    description = "Deploy Roo MCP config for dominik";
+    wantedBy    = [ "multi-user.target" ];
+    after       = [ "nss-user-lookup.target" ];
+    serviceConfig = {
+      Type            = "oneshot";
+      RemainAfterExit = true;
+      ExecStart       = setupMcpConfigDominik;
+    };
+  };
+}