diff --git a/.github/workflows/eval.yaml b/.github/workflows/eval.yaml
new file mode 100644
index 0000000..7d445d3
--- /dev/null
+++ b/.github/workflows/eval.yaml
@@ -0,0 +1,44 @@
+name: Eval NixOS Configurations
+
+on:
+  push:
+    branches:
+      - deploy
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: deploy
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@v25
+
+      - name: Configure Git
+        run: |
+          git config --global user.name "GitHub Actions Bot"
+          git config --global user.email "actions@github.com"
+
+      - name: Process Configurations
+        run: |
+          git checkout -b deploy-comin-eval
+          mkdir -p eval
+          hosts=$(nix flake show --json | jq -r '.nixosConfigurations | keys[]')
+          echo "Found hosts: $hosts"
+          
+          for host in $hosts; do
+            echo "Eval derivation for $host"
+            nix show-derivation -L ".#nixosConfigurations.$host.config.system.build.toplevel" > "eval/$host.json"
+          done
+          
+          git add eval/
+          git commit -m "Update deployment configurations for all hosts"
+          
+          git push origin deploy-comin-eval