Ngsrv

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MCP server for ngsrv tunnels that exposes local HTTP ports on public HTTPS URLs, with tools for starting, listing, and stopping tunnels, and provisioning agent

by ngsrv

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About

MCP server for ngsrv tunnels that exposes local HTTP ports on public HTTPS URLs, with tools for starting, listing, and stopping tunnels, and provisioning agent tokens.

README

MCP server for ngsrv tunnels. Expose localhost on public HTTPS from Cursor and other MCP clients.

ngsrv is a developer tunnel tool (CLI, YAML, webhooks). This package is the optional MCP integration.

Cursor

~/.cursor/mcp.json:

{
  "mcpServers": {
    "ngsrv": {
      "command": "npx",
      "args": ["-y", "@ngsrv/mcp@latest"]
    }
  }
}

First tunnel.start provisions a free 12-hour device trial (no signup). Agent tokens skip the Free-tier visitor warning page.

Optional: NGSRV_API_TOKEN from ngsrv.com → API Tokens → Create agent token.

Tools

Tool	Description
`tunnel.start`	`port` → public HTTPS URL
`tunnel.list`	Active tunnels in this process
`tunnel.stop`	Stop by port
`token.provision`	12h agent token (trial or refresh)
`docs.install`	Cursor config + install snippets

Legacy aliases (start_tunnel, etc.) still work.

Registry install (optional)

Some MCP clients support Smithery:

smithery mcp add ngsrv/ngsrv

Docs

from github.com/ngsrv/ngsrv-mcp

Install Ngsrv in Claude Desktop, Claude Code & Cursor

Recommended · one command, every IDE

unyly install ngsrv-mcp

Installs into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.

First time? Get the CLI: curl -fsSL https://unyly.org/install | sh

Or configure manually

Run in your terminal:

claude mcp add ngsrv-mcp -- npx -y @ngsrv/mcp

FAQ

Is Ngsrv MCP free?

Yes, Ngsrv MCP is free — one-click install via Unyly at no cost.

Does Ngsrv need an API key?

No, Ngsrv runs without API keys or environment variables.

Is Ngsrv hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install Ngsrv in Claude Desktop, Claude Code or Cursor?

Open Ngsrv on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

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