Given the minimal source details, this appears to be a debugging utility that helps you work with code across multiple programming languages. You'd reach for this when you need to execute code snippets or debug issues without spinning up separate environments for each language. The remote transport suggests it runs as a hosted service rather than locally, which could be handy for quick debugging sessions without installation overhead. Without more specifics on which languages are supported or what debugging operations are actually exposed, it's hard to say exactly what workflows it enables, but the name suggests polyglot development scenarios where you're jumping between Python, JavaScript, Ruby, or similar languages.
claude mcp add --transport sse io.github.evozim-polyglot-debugger https://polyglot-debugger-mcp.vercel.app/api/mcp