ngrok alternative for MCP: ngrok vs Cloudflare Tunnel vs Tailscale Funnel vs MCP Warp
ngrok, Cloudflare Tunnel, Tailscale Funnel and MCP Warp compared for MCP servers. Setup, OAuth, stdio, stable URLs and price, plus free options.
Anatoly
7 posts by Anatoly
Use a stdio MCP server in claude.ai and ChatGPT without deploying it
claude.ai and ChatGPT can't launch a stdio MCP server. How to bridge stdio to Streamable HTTP and get a public, OAuth-protected URL without deploying.
Use your laptop's MCP servers from the Claude app on your phone
The Claude iPhone and Android apps only use remote connectors. How to reach an MCP server on your laptop from your phone, and what has to stay running.
Introducing MCP Warp: ngrok for MCP servers
MCP Warp is ngrok for MCP servers. It gives a server on your machine a public, OAuth-protected URL that works in claude.ai and ChatGPT.
One URL for your MCP server, in every client: claude.ai, Claude Desktop, Claude Code, ChatGPT and VS Code
Get one HTTPS URL for a local MCP server and add it to claude.ai, Claude Desktop, Claude Code, ChatGPT and VS Code. Steps for each client.
"Couldn't reach the MCP server" in Claude: a checklist
Claude says "Couldn't reach the MCP server" but your server runs. Check in order: URL, inbound requests, transport, OAuth, IP allowlist.
Why claude.ai can't connect to your local MCP server (and how to fix it)
claude.ai rejects localhost MCP URLs because Anthropic's servers make the call, not your browser. Why that happens and what a working fix needs.