Show HN: Mcptunnels – ngrok for MCP with basic OAuth

Category: devtools

Tags: mcp, tunneling, oauth, cli, developer-tools

Score: 5.0/10 (Innovation: 5, Technical: 5, Documentation: 6, Utility: 5)

mcptunnels is a CLI tool that exposes local MCP (Model Context Protocol) servers via public URLs, bridging stdio to Streamable HTTP with OAuth 2.1 authentication. It simplifies testing and sharing MCP servers by providing ephemeral, no-signup tunnels, positioning itself as an MCP-aware alternative to generic tunnels like ngrok.

Target audience: backend developers, AI engineers, MCP server developers

Repository: https://terragohan.github.io/mcptunnels/

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