diff --git a/.github/workflows/publish-packages.yml b/.github/workflows/publish-packages.yml
new file mode 100644
index 0000000..7046d41
--- /dev/null
+++ b/.github/workflows/publish-packages.yml
@@ -0,0 +1,82 @@
+name: Publish Packages to pub.dev
+
+on:
+  push:
+    tags:
+      - '[0-9]+.[0-9]+.[0-9]+*'  # matches 0.2.0-beta, 1.0.0, etc.
+
+permissions:
+  contents: read
+  id-token: write  # Required for OIDC authentication with pub.dev
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    environment: pub.dev  # Optional: requires approval before publishing
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Dart
+        uses: dart-lang/setup-dart@v1
+        with:
+          sdk: stable
+
+      - name: Extract version from tag
+        id: version
+        run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
+
+      - name: Prepare packages for publishing
+        run: dart tools/prepare_publish.dart ${{ steps.version.outputs.VERSION }}
+
+      - name: Verify package contents
+        run: |
+          for pkg in dart_node_core dart_node_express dart_node_ws dart_node_react dart_node_react_native; do
+            echo "=== $pkg pubspec.yaml ==="
+            cat packages/$pkg/pubspec.yaml
+            echo ""
+          done
+
+      # Publish packages in dependency order
+      # dart-lang/setup-dart handles OIDC token provisioning automatically
+      # Adding delays between publishes to allow pub.dev to index each package
+
+      - name: Publish dart_node_core
+        run: |
+          cd packages/dart_node_core
+          dart pub get
+          dart pub publish --force
+
+      - name: Wait for pub.dev to index dart_node_core
+        run: sleep 30
+
+      - name: Publish dart_node_express
+        run: |
+          cd packages/dart_node_express
+          dart pub get
+          dart pub publish --force
+
+      - name: Publish dart_node_ws
+        run: |
+          cd packages/dart_node_ws
+          dart pub get
+          dart pub publish --force
+
+      - name: Wait for pub.dev to index before dart_node_react
+        run: sleep 30
+
+      - name: Publish dart_node_react
+        run: |
+          cd packages/dart_node_react
+          dart pub get
+          dart pub publish --force
+
+      - name: Wait for pub.dev to index dart_node_react
+        run: sleep 30
+
+      - name: Publish dart_node_react_native
+        run: |
+          cd packages/dart_node_react_native
+          dart pub get
+          dart pub publish --force
diff --git a/tools/prepare_publish.dart b/tools/prepare_publish.dart
new file mode 100644
index 0000000..ccace5d
--- /dev/null
+++ b/tools/prepare_publish.dart
@@ -0,0 +1,117 @@
+// ignore_for_file: avoid_print
+import 'dart:io';
+
+/// Package dependency graph - order matters for publishing
+/// Packages with no dependencies must be published first
+const packageDeps = <String, List<String>>{
+  'dart_node_core': [],
+  'dart_node_express': ['dart_node_core'],
+  'dart_node_ws': ['dart_node_core'],
+  'dart_node_react': ['dart_node_core'],
+  'dart_node_react_native': ['dart_node_core', 'dart_node_react'],
+};
+
+/// Publishing order based on dependency graph (topological sort)
+const publishOrder = [
+  'dart_node_core',
+  'dart_node_express',
+  'dart_node_ws',
+  'dart_node_react',
+  'dart_node_react_native',
+];
+
+void main(List<String> args) {
+  if (args.isEmpty) {
+    print('Usage: dart tools/prepare_publish.dart <version>');
+    print('  version - The version to set (e.g., 0.2.0-beta)');
+    print('');
+    print('This script prepares all packages for publishing by:');
+    print('  1. Setting the version in all pubspec.yaml files');
+    print('  2. Updating interdependencies to use pub.dev versions');
+    print('  3. Removing publish_to: none from all pubspec.yaml files');
+    exit(1);
+  }
+
+  final version = args[0];
+  if (!_isValidVersion(version)) {
+    print('Error: Invalid version format: $version');
+    print('Expected format: X.Y.Z or X.Y.Z-prerelease');
+    exit(1);
+  }
+
+  final scriptDir = File(Platform.script.toFilePath()).parent;
+  final repoRoot = scriptDir.parent;
+  final packagesDir = Directory('${repoRoot.path}/packages');
+
+  print('Preparing packages for publishing version $version\n');
+
+  for (final packageName in publishOrder) {
+    _preparePackage(packagesDir, packageName, version);
+  }
+
+  print('\nAll packages prepared for publishing!');
+  print('Publishing order: ${publishOrder.join(' -> ')}');
+}
+
+void _preparePackage(Directory packagesDir, String packageName, String version) {
+  final pubspecFile = File('${packagesDir.path}/$packageName/pubspec.yaml');
+  if (!pubspecFile.existsSync()) {
+    print('Error: $packageName/pubspec.yaml not found');
+    exit(1);
+  }
+
+  var content = pubspecFile.readAsStringSync();
+  final changes = <String>[];
+
+  // 1. Update version
+  final versionPattern = RegExp(r'version:\s*[^\n]+');
+  if (versionPattern.hasMatch(content)) {
+    content = content.replaceFirst(versionPattern, 'version: $version');
+    changes.add('version -> $version');
+  }
+
+  // 2. Remove publish_to: none
+  final publishToPattern = RegExp(r'publish_to:\s*none\n?');
+  if (publishToPattern.hasMatch(content)) {
+    content = content.replaceFirst(publishToPattern, '');
+    changes.add('removed publish_to: none');
+  }
+
+  // 3. Update interdependencies to pub.dev versions
+  final deps = packageDeps[packageName] ?? [];
+  for (final dep in deps) {
+    content = _switchToPubDevDependency(content, dep, version);
+    changes.add('$dep -> ^$version');
+  }
+
+  pubspecFile.writeAsStringSync(content);
+  print('$packageName: ${changes.join(", ")}');
+}
+
+String _switchToPubDevDependency(String content, String depName, String version) {
+  // Match path dependency format
+  final pathPattern = RegExp(
+    '$depName:\\s*\\n\\s*path:\\s*[^\\n]+',
+    multiLine: true,
+  );
+
+  // Match existing version dependency format
+  final versionPattern = RegExp('$depName:\\s*\\^[^\\n]+');
+
+  final replacement = '$depName: ^$version';
+
+  if (pathPattern.hasMatch(content)) {
+    return content.replaceFirst(pathPattern, replacement);
+  }
+  if (versionPattern.hasMatch(content)) {
+    return content.replaceFirst(versionPattern, replacement);
+  }
+
+  return content;
+}
+
+bool _isValidVersion(String version) {
+  // Match semantic versioning with optional prerelease
+  final versionRegex = RegExp(r'^\d+\.\d+\.\d+(-[\w.]+)?$');
+  return versionRegex.hasMatch(version);
+}