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518.PLUS MCP Server

answering

518.PLUS is answering right now. Last checked 5 min ago.

518.PLUS: MCP tool marketplace. Run tools on files, text or JSON, share results, publish your own.

The linked repository no longer exists on GitHub — it was deleted or made private.

Uptime history 13 days of history
13 days agonow
100.0%
Uptime 24h
91 of 91 checks
—
Tools
hidden behind auth
886 ms
Response time
average over 24h
OAuth sign-in
Access
streamable-http

What the code does

We have not read this server's code yet, 8 d ago · rules 995398eba69f

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.

A line of code looks encrypted static/pages/base-engine.js:21
    window.__LANG_LABELS={"en":"English","zh":"简体中文","ja":"日本語","ko":"한국어","es":"Español","ar":"العربية","de":"Deutsch","ru":"Русский","pt":"Português","fr":"Français"};
          <button class="btn btn-danger-soft btn-sm" id="deleteBtn">{{ icon_svg("trash") }}<span>{{ texts.delete }}</span></button>
        </div>
      </div>
      {% endif %}
Builds a file path from a variable tools/gen_i18n.py:36
        out[os.path.join("i18n", f"{lang}.js")] = (
Long encoded blob in source static/pdfjs/pdf.min.mjs:21
…);setTimeout(t.callback,0)}},callback:t};e.push(i);return i}get _loadTestFont(){return shadow(this,"_loadTestFont",atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwAAAA2aGhlYQdkA+oAAAD…

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.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

run in your terminal
claude mcp add mcp --transport http https://518.plus/mcp
Settings → Connectors → Add custom connector, then paste this address
https://518.plus/mcp
~/.codex/config.toml
[mcp_servers.mcp]
url = "https://518.plus/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://518.plus/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://518.plus/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URLTransportStateLatencyChecked
https://518.plus/mcp streamable-http sign-in 898 ms 5 min ago

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518.PLUS — questions

Answers built from our own checks of this server.

Why is there no tool list for 518.PLUS?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.
Is 518.PLUS working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 886 ms. The bar chart above shows every period we have measured.
Is 518.PLUS still maintained?
The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.
How do I connect 518.PLUS?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.
How do you sign in to 518.PLUS?
No API key is involved. 518.PLUS answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.
How fast is 518.PLUS?
It answers our handshake in 886 ms on average, which is faster than 8% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.