diff --git a/modules/nixos/openclaw-local-cell.nix b/modules/nixos/openclaw-local-cell.nix
new file mode 100644
index 0000000..1854a4d
--- /dev/null
+++ b/modules/nixos/openclaw-local-cell.nix
@@ -0,0 +1,80 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.sourceos.openclaw.localCell;
+in {
+  options.sourceos.openclaw.localCell = {
+    enable = lib.mkEnableOption "bounded local-first OpenClaw cell";
+
+    stateDir = lib.mkOption {
+      type = lib.types.str;
+      default = "/var/lib/openclaw-local";
+      description = "State directory for the local OpenClaw cell.";
+    };
+
+    bindAddress = lib.mkOption {
+      type = lib.types.str;
+      default = "127.0.0.1";
+      description = "Loopback bind address for the local OpenClaw gateway.";
+    };
+
+    port = lib.mkOption {
+      type = lib.types.port;
+      default = 18789;
+      description = "Gateway port for the local OpenClaw cell.";
+    };
+
+    modelRoute = lib.mkOption {
+      type = lib.types.enum [ "local-only" "local-preferred" ];
+      default = "local-only";
+      description = "Initial model routing mode for the bounded local cell.";
+    };
+
+    allowBrowser = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "Whether browser automation is allowed for this local cell.";
+    };
+
+    allowWriteTools = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "Whether write-capable tools are enabled for this local cell.";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    assertions = [
+      {
+        assertion = cfg.bindAddress == "127.0.0.1";
+        message = "OpenClaw local cell must remain loopback-bound in the default SourceOS profile.";
+      }
+      {
+        assertion = cfg.allowBrowser == false;
+        message = "OpenClaw local cell browser automation must remain disabled by default.";
+      }
+      {
+        assertion = cfg.allowWriteTools == false;
+        message = "OpenClaw local cell write-capable tools must remain disabled by default.";
+      }
+    ];
+
+    systemd.services.openclaw-local-cell = {
+      description = "OpenClaw local-first bounded cell";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network-online.target" ];
+      serviceConfig = {
+        Type = "simple";
+        User = "root";
+        ExecStart = "${pkgs.bash}/bin/bash -lc 'echo OpenClaw local cell placeholder > /dev/null; sleep infinity'";
+        StateDirectory = "openclaw-local";
+        Restart = "on-failure";
+      };
+      environment = {
+        OPENCLAW_BIND = cfg.bindAddress;
+        OPENCLAW_PORT = builtins.toString cfg.port;
+        OPENCLAW_MODEL_ROUTE = cfg.modelRoute;
+        OPENCLAW_STATE_DIR = cfg.stateDir;
+      };
+    };
+  };
+}
diff --git a/profiles/openclaw-local/default.nix b/profiles/openclaw-local/default.nix
new file mode 100644
index 0000000..ca52daa
--- /dev/null
+++ b/profiles/openclaw-local/default.nix
@@ -0,0 +1,13 @@
+{ ... }:
+{
+  imports = [
+    ../../modules/nixos/openclaw-local-cell.nix
+  ];
+
+  sourceos.openclaw.localCell = {
+    enable = true;
+    modelRoute = "local-only";
+    allowBrowser = false;
+    allowWriteTools = false;
+  };
+}