diff --git a/README.md b/README.md
index f3dea94..5680026 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
 ```
-GOOS=windows GOARCH=amd64 go build -ldflags "-s -w" -o win64_mp.exe .
-```
\ No newline at end of file
+./scripts/build.sh
+```
+
+Optional output name: `./scripts/build.sh localagent.exe`
diff --git a/scripts/build.sh b/scripts/build.sh
new file mode 100755
index 0000000..dd28a1f
--- /dev/null
+++ b/scripts/build.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+# Cross-compile win64_mp for Windows amd64.
+set -euo pipefail
+cd "$(dirname "$0")/.."
+
+out="${1:-win64_mp.exe}"
+GOOS=windows GOARCH=amd64 go build -ldflags "-s -w" -o "$out" .
+echo "built $out"