diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c7938f3..3ee4839 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -122,3 +122,27 @@ jobs:
         with:
           files: ${{ matrix.asset_name }}
           tag_name: ${{ github.ref_name }}
+
+  # ── Phase 3: Publish to Crates.io ──────────────────────────────────────────
+  publish-crates:
+    name: 📦 Publish to Crates.io
+    needs: build-binaries
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Publish Workspace
+        shell: bash
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CRATES_IO_TOKEN }}
+        run: |
+          if [ -z "$CARGO_REGISTRY_TOKEN" ]; then
+            echo "⚠️  CRATES_IO_TOKEN not found. Skipping publish step."
+            exit 0
+          fi
+          ./publish.sh
diff --git a/publish.sh b/publish.sh
new file mode 100755
index 0000000..01b293e
--- /dev/null
+++ b/publish.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+# ─────────────────────────────────────────────────────────────────────────────
+# Atupa Workspace — Crates.io Publishing Script
+#
+# This script publishes all crates in the workspace in the required order.
+# Usage: ./publish.sh [--dry-run]
+# ─────────────────────────────────────────────────────────────────────────────
+
+set -e
+
+DRY_RUN=""
+if [ "$1" == "--dry-run" ]; then
+    DRY_RUN="--dry-run"
+    echo "🔍 Performing DRY RUN..."
+fi
+
+# 1. Foundation
+echo "📦 Publishing atupa-core..."
+cargo publish -p atupa-core $DRY_RUN
+
+# 2. Level 1 - Independent modules
+echo "📦 Publishing atupa-rpc..."
+cargo publish -p atupa-rpc $DRY_RUN
+
+echo "📦 Publishing atupa-parser..."
+cargo publish -p atupa-parser $DRY_RUN
+
+echo "📦 Publishing atupa-adapters..."
+cargo publish -p atupa-adapters $DRY_RUN
+
+# 3. Level 2 - Visuals & VM
+echo "📦 Publishing atupa-output..."
+cargo publish -p atupa-output $DRY_RUN
+
+echo "📦 Publishing atupa-nitro..."
+cargo publish -p atupa-nitro $DRY_RUN
+
+# 4. Level 3 - Protocol Adapters
+echo "📦 Publishing atupa-aave..."
+cargo publish -p atupa-aave $DRY_RUN
+
+echo "📦 Publishing atupa-lido..."
+cargo publish -p atupa-lido $DRY_RUN
+
+# 5. Facade SDK
+echo "📦 Publishing atupa-sdk..."
+cargo publish -p atupa-sdk $DRY_RUN
+
+# 6. Final Binary
+echo "📦 Publishing atupa (binary)..."
+cargo publish -p atupa $DRY_RUN
+
+echo "✅ All crates processed successfully!"