The answer
app.undisk.mcp/stdio-proxy
Top verified match: it matches your intent, it is the official vendor server, corroborated across multiple registries.
fresh · published 137d ago · verified 2026-08-08tested · static-verifiedsigned passport ✓score 53/100
claude mcp add stdio-proxy -- npx -y @undisk-mcp/stdio-proxy
Runners-up
- MCP Stdio to SSE Proxynot yet verified8/100 · weaker match
- MCP HTTP-stdio Proxynot yet verified8/100 · weaker match
- @msrbuilds/emcp-proxy52/100 · weaker match