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Node.js CLI tool bug: Windows users opened code editor instead of running commands

A developer encountered an issue where their Node.js CLI tool, when installed globally on Windows, caused a code editor to open instead of executing the command. This was due to npm's shim generator incorrectly creating a Windows executable shim that directly called the `.js` file without specifying the Node.js interpreter. The problem arose because the `.js` file lacked a shebang line (`#!/usr/bin/env node`), which the shim generator uses to detect the need for explicit Node.js execution. Adding the shebang line resolved the issue, highlighting the critical importance of cross-platform testing for CLI tools. AI

IMPACT Highlights a common cross-platform development pitfall for tools integrating with AI services.

RANK_REASON The item describes a bug fix for a specific CLI tool, not a general release or significant industry event.

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Node.js CLI tool bug: Windows users opened code editor instead of running commands

COVERAGE [1]

  1. dev.to — MCP tag TIER_1 English(EN) · Adrin T Paul ·

    A user's terminal opened a code editor instead of running my CLI tool.

    <p>No error. No crash log. Just... my .js file, popped open in an IDE, like the computer decided to "take a look" instead of executing it.</p> <p>Here's what actually happened.</p> <p>*<em>I built an MCP server — promptbuilder-mcp — so Claude Desktop and Cursor can pull prompt co…