diff --git a/flake.nix b/flake.nix
index a81c759..ca71367 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,7 +22,7 @@
     nixpkgs-9e58ed7.url = "github:nixos/nixpkgs/9e58ed7ba759d81c98f033b7f5eba21ca68f53b0";
     nixpkgs-master.url = "github:nixos/nixpkgs/master";
 
-    m3ta-nixpkgs.url = "git+https://code.m3ta.dev/m3tam3re/nixpkgs";
+    m3ta-nixpkgs.url = "git+ssh://gitea@code.m3ta.dev/m3tam3re/nixpkgs";
     llm-agents.url = "github:numtide/llm-agents.nix";
 
     #
@@ -43,9 +43,14 @@
     rose-pine-hyprcursor.url = "github:ndom91/rose-pine-hyprcursor";
     nix-colors.url = "github:misterio77/nix-colors";
 
+    m3ta-home = {
+      url = "git+ssh://gitea@code.m3ta.dev/m3tam3re/m3ta-home";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     agents = {
       # url = "path:/home/m3tam3re/p/AI/AGENTS";
-      url = "git+https://code.m3ta.dev/m3tam3re/AGENTS";
+      url = "git+ssh://gitea@code.m3ta.dev/m3tam3re/AGENTS";
     };
     ## Skills
     skills-basecamp = {
diff --git a/hosts/common/users/m3tam3re.nix b/hosts/common/users/m3tam3re.nix
index fb7607b..7f98d68 100644
--- a/hosts/common/users/m3tam3re.nix
+++ b/hosts/common/users/m3tam3re.nix
@@ -1,11 +1,57 @@
+# hosts/common/users/m3tam3re.nix — Central user definition with m3ta-home integration.
+#
+# This module:
+#   1. Creates the m3tam3re NixOS user
+#   2. Loads the m3ta-home profile system via mkHome
+#   3. Sets per-host feature flags based on a host profile mapping
+#   4. Imports per-host home.nix overrides (monitors, HW-specific config)
 {
   config,
   pkgs,
   inputs,
   ...
-}: {
+}: let
+  hostname = config.networking.hostName;
+
+  # ── Per-host profile mapping ──
+  # Determines which m3ta-home context and sets each host gets.
+  # To add a new host: add an entry here + create hosts/<hostname>/home.nix if needed.
+  hostProfiles = {
+    m3-ares = {
+      context = "desktop";
+      sets = ["coding" "gaming" "media"];
+    };
+    m3-kratos = {
+      context = "desktop";
+      sets = ["coding" "gaming" "media"];
+    };
+    m3-atlas = {
+      context = "server";
+      sets = ["coding"];
+    };
+    m3-helios = {
+      context = "server";
+      sets = [];
+    };
+    m3-hermes = {
+      context = "server";
+      sets = [];
+    };
+    m3-aether = {
+      context = "server";
+      sets = [];
+    };
+  };
+
+  profile = hostProfiles.${hostname} or {context = "server"; sets = [];};
+  m3ta-lib = inputs.m3ta-home.lib;
+
+  # Check if a per-host home.nix exists
+  hostHomeFile = ./../../${hostname}/home.nix;
+  hostHomeExists = builtins.pathExists hostHomeFile;
+in {
+  # ── NixOS user definition ──
   users.users.m3tam3re = {
-    #initialHashedPassword = "$y$j9T$IoChbWGYRh.rKfmm0G86X0$bYgsWqDRkvX.EBzJTX.Z0RsTlwspADpvEF3QErNyCMC";
     password = "12345";
     isNormalUser = true;
     description = "m3tam3re";
@@ -29,6 +75,119 @@
     ];
     packages = [inputs.home-manager.packages.${pkgs.stdenv.hostPlatform.system}.default];
   };
-  home-manager.users.m3tam3re =
-    import ../../../home/m3tam3re/${config.networking.hostName}.nix;
+
+  # ── Home-Manager configuration via m3ta-home ──
+  home-manager.users.m3tam3re = {
+    imports =
+      [
+        # Load m3ta-home composition engine
+        (m3ta-lib.mkHome {
+          user = "m3tam3re";
+          identity = "private";
+          inherit (profile) context sets;
+        })
+      ]
+      # Per-host feature flag overrides
+      ++ (
+        if hostname == "m3-ares" || hostname == "m3-kratos"
+        then [
+          # Desktop feature flags (both desktop hosts are identical)
+          {
+            base = {
+              shell = {
+                fish.enable = true;
+                nushell.enable = true;
+                starship.enable = true;
+              };
+              cliTools = {
+                fzf.enable = true;
+                nitch.enable = true;
+                television.enable = true;
+              };
+              secrets.enable = true;
+            };
+            desktop = {
+              wm = {
+                hyprland.enable = true;
+                rofi.enable = true;
+                wayland.enable = true;
+              };
+              apps = {
+                crypto.enable = true;
+                obsidian.enable = true;
+                office.enable = true;
+              };
+              theme = {
+                fonts.enable = true;
+                wallpapers.enable = true;
+              };
+            };
+            coding = {
+              editors = {
+                neovim.enable = true;
+                zed.enable = true;
+              };
+              lsp.enable = true;
+              packages.enable = true;
+              languages = {
+                python.enable = true;
+                javascript.enable = true;
+                rustToolchain.enable = true;
+                go.enable = true;
+                typescript.enable = true;
+              };
+            };
+            profiles.gaming = {
+              steam.enable = true;
+              gamescope.enable = true;
+            };
+            profiles.media = {
+              obs.enable = true;
+              ffmpeg.enable = true;
+              kdenlive.enable = true;
+              ytDlp.enable = true;
+            };
+          }
+        ]
+        else if hostname == "m3-atlas"
+        then [
+          {
+            base = {
+              shell = {
+                nushell.enable = true;
+                starship.enable = true;
+              };
+              cliTools = {
+                fzf.enable = true;
+                nitch.enable = true;
+                zellij.enable = true;
+              };
+            };
+            coding.editors.neovim.enable = true;
+          }
+        ]
+        else
+          # m3-helios, m3-hermes, m3-aether — minimal server
+          [
+            {
+              base = {
+                shell = {
+                  fish.enable = true;
+                  starship.enable = true;
+                };
+                cliTools = {
+                  fzf.enable = true;
+                  nitch.enable = true;
+                };
+              };
+            }
+          ]
+      )
+      # Per-host home.nix (Hyprland monitors, HW-specific overrides)
+      ++ (
+        if hostHomeExists
+        then [hostHomeFile]
+        else []
+      );
+  };
 }
diff --git a/hosts/m3-ares/home.nix b/hosts/m3-ares/home.nix
new file mode 100644
index 0000000..be9df47
--- /dev/null
+++ b/hosts/m3-ares/home.nix
@@ -0,0 +1,36 @@
+# hosts/m3-ares/home.nix — Host-specific home-manager overrides.
+# TUXEDO laptop: internal display + HDMI monitor.
+{config, lib, ...}:
+with lib; {
+  # ── Hyprland monitor layout ──
+  config = mkIf config.desktop.wm.hyprland.enable {
+    wayland.windowManager.hyprland = {
+      enable = true;
+      settings = {
+        exec-once = ["tuxedo-backlight"];
+        monitor = [
+          "eDP-1,preferred,0x0,1.25"
+          "HDMI-A-1,1920x1080@120,2560x0,1"
+        ];
+        workspace = [
+          "1, monitor:eDP-1, default:true"
+          "2, monitor:eDP-1"
+          "3, monitor:eDP-1"
+          "4, monitor:HDMI-A-1,"
+          "5, monitor:HDMI-A-1,border:false,rounding:false"
+          "6, monitor:HDMI-A-1"
+        ];
+        windowrule = [
+          "match:class dev.zed.Zed, workspace 1"
+          "match:class Msty, workspace 1"
+          "match:class ^(com.obsproject.Studio)$, workspace 2"
+          "match:class ^(brave-browser)$, workspace 4, opacity 1.0"
+          "match:class ^(vivaldi-stable)$, workspace 4, opacity 1.0"
+          "match:class ^steam_app_\\d+$, fullscreen on"
+          "match:class ^steam_app_\\d+$, workspace 5"
+          "match:class ^steam_app_\\d+$, idle_inhibit focus"
+        ];
+      };
+    };
+  };
+}
diff --git a/hosts/m3-kratos/home.nix b/hosts/m3-kratos/home.nix
new file mode 100644
index 0000000..d1acabb
--- /dev/null
+++ b/hosts/m3-kratos/home.nix
@@ -0,0 +1,34 @@
+# hosts/m3-kratos/home.nix — Host-specific home-manager overrides.
+# AMD desktop: dual 1440p monitors.
+{config, lib, ...}:
+with lib; {
+  # ── Hyprland monitor layout ──
+  config = mkIf config.desktop.wm.hyprland.enable {
+    wayland.windowManager.hyprland = {
+      enable = true;
+      settings = {
+        monitor = [
+          "DP-1,2560x1440@144,0x0,1"
+          "DP-2,2560x1440@144,2560x0,1"
+        ];
+        workspace = [
+          "1, monitor:DP-1, default:true"
+          "2, monitor:DP-1"
+          "3, monitor:DP-1"
+          "4, monitor:DP-2"
+          "5, monitor:DP-2"
+          "6, monitor:DP-2"
+          "7, monitor:DP-2"
+        ];
+        windowrule = [
+          "match:class dev.zed.Zed, workspace 1"
+          "match:class Msty, workspace 1"
+          "match:class ^(com.obsproject.Studio)$, workspace 2"
+          "match:class ^(brave-browser)$, workspace 4, opacity 1.0"
+          "match:class ^(vivaldi-stable)$, workspace 4, opacity 1.0"
+          "match:class ^steam_app_\\d+$, idle_inhibit focus"
+        ];
+      };
+    };
+  };
+}