diff --git a/flake.lock b/flake.lock
index 7d14df7..90e434b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -23,6 +23,35 @@
         "type": "github"
       }
     },
+    "clan-core": {
+      "inputs": {
+        "data-mesher": "data-mesher",
+        "disko": "disko",
+        "flake-parts": "flake-parts",
+        "nix-darwin": "nix-darwin",
+        "nix-select": "nix-select",
+        "nixos-facter-modules": "nixos-facter-modules",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "sops-nix": "sops-nix",
+        "systems": "systems_2",
+        "treefmt-nix": "treefmt-nix"
+      },
+      "locked": {
+        "lastModified": 1746799285,
+        "narHash": "sha256-wRii4X2t8bAvtJTy6O9NPCdWB2NnP9B/utYHf7Qpf2g=",
+        "ref": "refs/heads/main",
+        "rev": "b306c748b872527838b922226c2e7570937c131d",
+        "revCount": 6737,
+        "type": "git",
+        "url": "https://git.clan.lol/clan/clan-core"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.clan.lol/clan/clan-core"
+      }
+    },
     "darwin": {
       "inputs": {
         "nixpkgs": [
@@ -45,6 +74,37 @@
         "type": "github"
       }
     },
+    "data-mesher": {
+      "inputs": {
+        "flake-parts": [
+          "clan-core",
+          "flake-parts"
+        ],
+        "nixpkgs": [
+          "clan-core",
+          "nixpkgs"
+        ],
+        "systems": [
+          "clan-core",
+          "systems"
+        ],
+        "treefmt-nix": [
+          "clan-core",
+          "treefmt-nix"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746628829,
+        "narHash": "sha256-q77HWbHlJTXFVRD2kRnYwqGfbGmCm9XYPG0ZgLLVh8M=",
+        "rev": "9a3856421bd6733192b57037cdf26712d73c0871",
+        "type": "tarball",
+        "url": "https://git.clan.lol/api/v1/repos/clan/data-mesher/archive/9a3856421bd6733192b57037cdf26712d73c0871.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://git.clan.lol/clan/data-mesher/archive/main.tar.gz"
+      }
+    },
     "deploy-rs": {
       "inputs": {
         "flake-compat": "flake-compat",
@@ -68,6 +128,27 @@
       }
     },
     "disko": {
+      "inputs": {
+        "nixpkgs": [
+          "clan-core",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746729224,
+        "narHash": "sha256-9R4sOLAK1w3Bq54H3XOJogdc7a6C2bLLmatOQ+5pf5w=",
+        "owner": "nix-community",
+        "repo": "disko",
+        "rev": "85555d27ded84604ad6657ecca255a03fd878607",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "disko",
+        "type": "github"
+      }
+    },
+    "disko_2": {
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
@@ -103,6 +184,27 @@
         "type": "github"
       }
     },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "clan-core",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1743550720,
+        "narHash": "sha256-hIshGgKZCgWh6AYJpJmRgFdR3WUbkY04o82X05xqQiY=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "c621e8422220273271f52058f618c94e405bb0f5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -159,6 +261,40 @@
         "type": "github"
       }
     },
+    "nix-darwin": {
+      "inputs": {
+        "nixpkgs": [
+          "clan-core",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746708654,
+        "narHash": "sha256-GeC99gu5H6+AjBXsn5dOhP4/ApuioGCBkufdmEIWPRs=",
+        "owner": "nix-darwin",
+        "repo": "nix-darwin",
+        "rev": "6cb36e8327421c61e5a3bbd08ed63491b616364a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-darwin",
+        "repo": "nix-darwin",
+        "type": "github"
+      }
+    },
+    "nix-select": {
+      "locked": {
+        "lastModified": 1745005516,
+        "narHash": "sha256-IVaoOGDIvAa/8I0sdiiZuKptDldrkDWUNf/+ezIRhyc=",
+        "rev": "69d8bf596194c5c35a4e90dd02c52aa530caddf8",
+        "type": "tarball",
+        "url": "https://git.clan.lol/api/v1/repos/clan/nix-select/archive/69d8bf596194c5c35a4e90dd02c52aa530caddf8.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://git.clan.lol/clan/nix-select/archive/main.tar.gz"
+      }
+    },
     "nixlib": {
       "locked": {
         "lastModified": 1736643958,
@@ -174,6 +310,21 @@
         "type": "github"
       }
     },
+    "nixos-facter-modules": {
+      "locked": {
+        "lastModified": 1743671943,
+        "narHash": "sha256-7sYig0+RcrR3sOL5M+2spbpFUHyEP7cnUvCaqFOBjyU=",
+        "owner": "nix-community",
+        "repo": "nixos-facter-modules",
+        "rev": "58ad9691670d293a15221d4a78818e0088d2e086",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixos-facter-modules",
+        "type": "github"
+      }
+    },
     "nixos-generators": {
       "inputs": {
         "nixlib": "nixlib",
@@ -244,8 +395,9 @@
     "root": {
       "inputs": {
         "agenix": "agenix",
+        "clan-core": "clan-core",
         "deploy-rs": "deploy-rs",
-        "disko": "disko",
+        "disko": "disko_2",
         "home-manager": "home-manager_2",
         "impermanence": "impermanence",
         "nixos-generators": "nixos-generators",
@@ -253,6 +405,27 @@
         "nixpkgs": "nixpkgs_2"
       }
     },
+    "sops-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "clan-core",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746485181,
+        "narHash": "sha256-PxrrSFLaC7YuItShxmYbMgSuFFuwxBB+qsl9BZUnRvg=",
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "rev": "e93ee1d900ad264d65e9701a5c6f895683433386",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "type": "github"
+      }
+    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,
@@ -283,9 +456,45 @@
         "type": "github"
       }
     },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "clan-core",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746216483,
+        "narHash": "sha256-4h3s1L/kKqt3gMDcVfN8/4v2jqHrgLIe4qok4ApH5x4=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "29ec5026372e0dec56f890e50dbe4f45930320fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    },
     "utils": {
       "inputs": {
-        "systems": "systems_2"
+        "systems": "systems_3"
       },
       "locked": {
         "lastModified": 1701680307,
diff --git a/flake.nix b/flake.nix
index cc093e6..1b8a7e5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,6 +4,7 @@
   outputs =
     inputs@{
       nixpkgs,
+      clan-core,
       deploy-rs,
       home-manager,
       impermanence,
@@ -28,27 +29,41 @@
           system = "aarch64-linux";
         };
       };
+      clan = clan-core.lib.buildClan {
+        self = self;
+        meta.name = "blossom";
+        machines = {
+          crocus = {
+            nixpkgs.hostPlatform = "x86_64-linux";
+            imports = [
+              ./hosts/crocus
+            ];
+          };
+        };
+      };
     in
     {
-      nixosConfigurations =
-        let
-          mkNixosConfig =
-            hostname:
-            { system }:
-            lib.nixosSystem {
-              inherit system;
-              specialArgs = {
-                inherit inputs self;
-                inherit (import ./parts) keys;
-              };
-              modules = [
-                ./hosts/${hostname}
-                ./modules
-                ./system
-              ];
-            };
-        in
-        builtins.mapAttrs mkNixosConfig hosts;
+      inherit (clan) clanInternals nixosConfigurations;
+      clan = { inherit (clan) templates; };
+      # nixosConfigurations =
+      #   let
+      #     mkNixosConfig =
+      #       hostname:
+      #       { system }:
+      #       lib.nixosSystem {
+      #         inherit system;
+      #         specialArgs = {
+      #           inherit inputs self;
+      #           inherit (import ./parts) keys;
+      #         };
+      #         modules = [
+      #           ./hosts/${hostname}
+      #           ./modules
+      #           ./system
+      #         ];
+      #       };
+      #   in
+      #   builtins.mapAttrs mkNixosConfig hosts;
 
       # Raspberry Pi 4 installer ISO.
       packages.aarch64-linux.installer-sd-image = nixos-generators.nixosGenerate {
@@ -121,6 +136,7 @@
           "${system}".default = pkgs.mkShell {
             packages = [
               inputs.agenix.packages.x86_64-linux.default
+              clan-core.packages.${system}.clan-cli
               pkgs.nil # Nix language server
               pkgs.nixfmt-rfc-style
               pkgs.opentofu
@@ -164,6 +180,10 @@
       url = "github:ryantm/agenix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    clan-core = {
+      url = "git+https://git.clan.lol/clan/clan-core";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   nixConfig = {
diff --git a/hosts/crocus/default.nix b/hosts/crocus/default.nix
index d8ad527..7ea7c4b 100644
--- a/hosts/crocus/default.nix
+++ b/hosts/crocus/default.nix
@@ -11,6 +11,8 @@
     inputs.disko.nixosModules.disko
     ./disk.nix
     ./radicle.nix
+    ./modules
+    ./system
   ];
 
   networking.hostName = "crocus";