try esm action

mcp/config.ts

@@ -15,15 +15,19 @@ export function createMcpConfigs(githubInstallationToken: string): McpConfigs {
   const repoContext = parseRepoContext();
   const githubRepository = `${repoContext.owner}/${repoContext.name}`;
 
-  // Get absolute path to entry.cjs - use GITHUB_ACTION_PATH if available, otherwise current directory
+  // Get absolute path to entry.js - use GITHUB_ACTION_PATH if available, otherwise current directory
   const entryPath = process.env.GITHUB_ACTION_PATH
-    ? `${process.env.GITHUB_ACTION_PATH}/entry.cjs`
-    : `${process.cwd()}/entry.cjs`;
+    ? `${process.env.GITHUB_ACTION_PATH}/entry.js`
+    : `${process.cwd()}/entry.js`;
 
   return {
     [ghPullfrogMcpName]: {
       command: "node",
-      args: ["-e", `require('${entryPath.replace(/'/g, "\\'")}').createMcpServer()`],
+      args: [
+        "--input-type=module",
+        "-e",
+        `import('${entryPath.replace(/'/g, "\\'")}').then(m => m.createMcpServer())`,
+      ],
       env: {
         GITHUB_INSTALLATION_TOKEN: githubInstallationToken,
         GITHUB_REPOSITORY: githubRepository,