diff --git a/.forgejo/workflows/issue.yml b/.forgejo/workflows/issue.yml
new file mode 100644
index 0000000..b58a047
--- /dev/null
+++ b/.forgejo/workflows/issue.yml
@@ -0,0 +1,14 @@
+on:
+  issues:
+    types: [opened, reopened, closed, labeled, unlabeled, edited]
+
+jobs:
+  test:
+    runs-on: self-hosted-nixos-x86_64
+    steps:
+      - uses: https://data.forgejo.org/actions/checkout@v4
+      - name: Check techtree-manager presence
+        run: |
+          test -e ~/.cache/fafo-techtree/techtree-manager
+      - name: Run techtree-manager
+        run: cd techtree-manager/ && nix-shell shell.nix --run ~/.cache/fafo-techtree/techtree-manager
diff --git a/.forgejo/workflows/push.yml b/.forgejo/workflows/push.yml
new file mode 100644
index 0000000..733d119
--- /dev/null
+++ b/.forgejo/workflows/push.yml
@@ -0,0 +1,14 @@
+on:
+  push:
+
+jobs:
+  build:
+    runs-on: self-hosted-nixos-x86_64
+    steps:
+      - uses: https://code.forgejo.org/actions/checkout@v4
+      - name: Build techtree manager tool
+        run: cd techtree-manager/ && nix-shell shell.nix --run "cargo build --release"
+      - name: Cache the techtree manager tool
+        run: |
+          mkdir -p ~/.cache/fafo-techtree
+          cp -v techtree-manager/target/release/techtree-manager ~/.cache/fafo-techtree/techtree-manager