diff --git a/bin/llm-proxy.js b/bin/llm-proxy.js
new file mode 100755
index 0000000..bfa430a
--- /dev/null
+++ b/bin/llm-proxy.js
@@ -0,0 +1,3 @@
+#!/usr/bin/env node
+
+require('../dist/src/index');
diff --git a/package-lock.json b/package-lock.json
index 2502237..727384d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,6 +16,9 @@
         "undici-types": "^6.20.0",
         "yargs": "^17.7.2"
       },
+      "bin": {
+        "llm-proxy": "bin/llm-proxy.js"
+      },
       "devDependencies": {
         "@types/express": "^5.0.0",
         "@types/jest": "^29.5.14",
diff --git a/package.json b/package.json
index 46740b7..96e6076 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,14 @@
   },
   "name": "llm-proxy",
   "version": "1.0.0",
-  "main": "index.js",
+  "main": "dist/src/index.js",
+  "bin": {
+    "llm-proxy": "bin/llm-proxy.js"
+  },
+  "files": [
+    "dist",
+    "bin"
+  ],
   "dependencies": {
     "axios": "^1.7.9",
     "express": "^4.21.2",
@@ -29,6 +36,8 @@
     "yargs": "^17.7.2"
   },
   "scripts": {
+    "build": "tsc",
+    "prepare": "npm run build",
     "start": "ts-node --transpileOnly src/index.ts",
     "test": "jest",
     "lint": "eslint . --ext .ts",
diff --git a/src/formatters.ts b/src/formatters.ts
index e08460b..4a3db18 100644
--- a/src/formatters.ts
+++ b/src/formatters.ts
@@ -4,7 +4,6 @@ import { omit } from 'lodash';
 import OpenAI from 'openai';
 import { URL } from 'url';
 import { CliOptions } from './cli';
-import { ChatCompletionToolRunnerParams } from 'openai/lib/ChatCompletionRunner';
 
 export function parseTargetUrl(targetUrlParam: string | undefined) {
   if (!targetUrlParam) {
@@ -94,12 +93,12 @@ export function formatRequestBody({
   try {
     const parsed = JSON.parse(
       requestData,
-    ) as ChatCompletionToolRunnerParams<never>;
+    ) as OpenAI.Chat.ChatCompletionCreateParams;
     if (cliOptions.tools === 'none') {
       return JSON.stringify(omit(parsed, 'tools'), null, 2);
     } else if (cliOptions.tools === 'name') {
-      const toolNames = parsed.tools.map(
-        (tool) => tool.name ?? tool?.function?.name,
+      const toolNames = parsed.tools?.map((tool) =>
+        tool.type === 'function' ? tool.function.name : tool.type,
       ); // only show tool names
       const output = { ...parsed, tools: toolNames };
       return JSON.stringify(output, null, 2);