diff --git a/scripts/create-version.sh b/scripts/create-version.sh
new file mode 100755
index 0000000..93b1387
--- /dev/null
+++ b/scripts/create-version.sh
@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [[ $# -ne 1 ]]; then
+  echo "Usage: $0 <version>" >&2
+  exit 1
+fi
+
+VERSION=$1
+
+if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
+  echo "Error: This script must be run inside a git repository." >&2
+  exit 1
+fi
+
+REPO_ROOT=$(git rev-parse --show-toplevel)
+cd "$REPO_ROOT"
+
+if [[ ! -f package.json ]]; then
+  echo "Error: package.json not found in repository root ($REPO_ROOT)." >&2
+  exit 1
+fi
+
+if git show-ref --tags --verify --quiet "refs/tags/$VERSION"; then
+  echo "Error: Tag $VERSION already exists." >&2
+  exit 1
+fi
+
+if [[ -n $(git status --porcelain) ]]; then
+  echo "Error: Working tree has uncommitted changes. Please commit or stash them before continuing." >&2
+  exit 1
+fi
+
+CURRENT_VERSION=$(node -e "console.log(require('./package.json').version)")
+if [[ "$CURRENT_VERSION" == "$VERSION" ]]; then
+  echo "Error: package.json is already set to version $VERSION." >&2
+  exit 1
+fi
+
+node - "$VERSION" <<'NODE'
+const fs = require('fs');
+const path = require('path');
+
+const version = process.argv[2];
+if (!version) {
+  console.error('No version provided to the Node helper.');
+  process.exit(1);
+}
+
+const pkgPath = path.resolve('package.json');
+const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'));
+pkg.version = version;
+fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2) + '\n');
+NODE
+
+git add package.json
+
+if git diff --cached --quiet; then
+  echo "Error: No changes to commit after updating package.json." >&2
+  exit 1
+fi
+
+COMMIT_MESSAGE="release: $VERSION"
+git commit -m "$COMMIT_MESSAGE"
+
+git tag -a "$VERSION" -m "Release $VERSION"
+
+echo "Version updated to $VERSION."
+echo "Created commit: $COMMIT_MESSAGE"
+echo "Created annotated tag: $VERSION"