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rustunnel MCP Server

local only

rustunnel runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 4 Sep 2026.

Give AI agents public HTTPS/TCP/UDP URLs for any localhost service. Open source, self-hostable.

Installs / week
not published
656
Stars
0 open issues
4 Sep 2026
Last commit
from GitHub
AGPL-3.0
License
Rust

What the code does

We read the source, 23 h ago · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

self.__BUILD_MANIFEST={__rewrites:{afterFiles:[],beforeFiles:[],fallback:[]},"/_error":["static/chunks/pages/_error-7ba65e1336b92748.js"],sortedPages:["/_app","/_error"]},self.__BUILD_MANIFEST_CB&&self.__BUILD_MANIFEST_CB();
…e[o]}}),Qe("at");var Ze=function(t,e){return b(i[t].prototype[e])},tr=(Ze("Array","at"),TypeError),er=function(t,e){if(!delete t[e])throw new tr("Cannot delete property "+Y(e)+" of "+Y(t))},rr=Math.min,nr=[].copyWithin||function(t,e){var r=it(this),n=de(r),o=he(t,n),i=he(e,n),a=a…
Builds a file path from a variable test_server/server.js:125
    serveStatic(res, path.join(__dirname, "public", file));
    $("meta").innerHTML = tunnels + `
In the project's build, not in the package

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

Runs an external command deploy/mcpb/introspect-tools.py:15
proc = subprocess.Popen(

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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rustunnel — questions

Answers built from our own checks of this server.

Why is there no uptime for rustunnel?
rustunnel runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone.
Is rustunnel open source?
Yes — it is published under the AGPL-3.0 licence, written in Rust and 656 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.