{"slug": "show-hn-single-file-private-markdown-viewer", "title": "Show HN: Single-file private Markdown viewer", "summary": "IBM released a single-file, client-side Markdown viewer as a lightweight alternative to launching VS Code for reading Markdown files securely in corporate environments. The tool, hosted at ibm.github.io/tsar-mcp/tools/MarkdownViewer/MarkdownViewer.html with source at github.com/IBM/tsar-mcp, supports standard rendering, floating navigation, clean print stylesheets, and export to standalone HTML, and works on mobile. The Show HN post drew 2 points and 0 comments.", "body_md": "We built this to view Markdown files securely in our corporate environment as a lightweight alternative to firing up VS Code.\n\nIt’s just a single HTML file that executes entirely client-side. Alongside standard rendering, it supports floating navigation, clean print stylesheets, and exporting the result to a standalone HTML file (and it works great on mobile).\n\nLive viewer: [https://ibm.github.io/tsar-mcp/tools/MarkdownViewer/Markdown...](https://ibm.github.io/tsar-mcp/tools/MarkdownViewer/MarkdownViewer.html)\n\nSource: [https://github.com/IBM/tsar-mcp](https://github.com/IBM/tsar-mcp)\n\nComments URL: [https://news.ycombinator.com/item?id=49697103](https://news.ycombinator.com/item?id=49697103)\n\nPoints: 2\n\n# Comments: 0", "url": "https://wpnews.pro/news/show-hn-single-file-private-markdown-viewer", "canonical_source": "https://news.ycombinator.com/item?id=49697103", "published_at": "2026-09-14 14:05:37+00:00", "updated_at": "2026-09-14 14:18:40.052078+00:00", "lang": "en", "topics": ["developer-tools", "ai-tools"], "entities": ["IBM", "Markdown Viewer", "tsar-mcp", "Visual Studio Code", "Hacker News"], "alternates": {"html": "https://wpnews.pro/news/show-hn-single-file-private-markdown-viewer", "markdown": "https://wpnews.pro/news/show-hn-single-file-private-markdown-viewer.md", "text": "https://wpnews.pro/news/show-hn-single-file-private-markdown-viewer.txt", "jsonld": "https://wpnews.pro/news/show-hn-single-file-private-markdown-viewer.jsonld"}}