Developer Documents Node.js Timestamp Pitfalls and Releases Open-Source MCP Tool

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A Node.js developer has published a detailed account of common timestamp handling mistakes in JavaScript and related languages. Key pitfalls include mixing milliseconds and seconds between frontend and backend, incorrectly storing local time as UTC, the 2038 Unix timestamp overflow risk on 32-bit systems, and daylight saving time edge cases. To address these issues, the developer built a free, open-source MCP tool called tsforge-mcp that integrates timestamp conversion and validation directly into LLM workflows. The project also includes a reference site covering timestamp handling across 30 languages and frameworks, each page documenting six real-world bugs. All resources, including the GitHub repository and conversion pages, are freely available to developers.

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