Show HN: Single-file private Markdown viewer

We built this to view Markdown files securely in our corporate environment as a lightweight alternative to firing up VS Code. It’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). Live viewer: https://ibm.github.io/tsar-mcp/tools/MarkdownViewer/MarkdownViewer.html https://ibm.github.io/tsar-mcp/tools/MarkdownViewer/Markdown... Source: https://github.com/IBM/tsar-mcp https://github.com/IBM/tsar-mcp