diff --git a/scripts/add-lexici.js b/scripts/add-lexici.js
new file mode 100644
index 0000000..7917cd4
--- /dev/null
+++ b/scripts/add-lexici.js
@@ -0,0 +1,26 @@
+const rl = require("readline").createInterface({
+	  input: process.stdin,
+	  output: process.stdout,
+});
+
+const { writeFile } = require('fs/promises');
+
+const question = (query) =>
+	  new Promise((resolve) => rl.question(query, (answer) => resolve(answer)));
+
+async function main() {
+	while (true) {
+		let input = await question('>');
+		if (input == null || input == '.quit') {
+			console.log('end');
+			return;
+		}
+		let name = input.match(/^([^\:]+):/)[1];
+		if (!input.endsWith('\n')) {
+			input += '\n';
+		}
+		await writeFile(name, input);
+	}
+}
+
+main();