diff --git a/exec-container/.gitignore b/exec-container/.gitignore
index e2f5dd2..e8b40e6 100644
--- a/exec-container/.gitignore
+++ b/exec-container/.gitignore
@@ -1 +1,5 @@
-result
\ No newline at end of file
+result
+http_cache.sqlite
+sbom.cdx.json
+sbom.spdx.json
+sbom.csv
diff --git a/exec-container/license-check.sh b/exec-container/license-check.sh
new file mode 100755
index 0000000..6db0174
--- /dev/null
+++ b/exec-container/license-check.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+if type sbomnix &> /dev/null; then
+    sbomnix .#environment
+else
+    nix-shell -p sbomnix --run "sbomnix .#environment"
+fi
+
+if grep -q "AGPL" sbom.spdx.json; then
+    echo "Error: AGPL license found in sbom.spdx.json."
+    exit 1
+fi