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PopNx MCPMCP servers for people who use AI · explained in plain words

Stdio Proxy

by kiarashplusplusversion 0.46.2i★ –iRuns on your computer
Registry nameapp.undisk.mcp/stdio-proxy

Install

Overview

Description from the maker (original English)

Undisk MCP: safe file memory for AI agents.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs on your computer
  • Transport: stdio
  • Category: Search & AI memory
  • You need to fill in: UNDISK_API_KEY

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on your computer with your user’s permissions (files, network, apps).
  • You fill in yourself: UNDISK_API_KEY

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

  • npmNode.js installed (for the npx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "stdio-proxy": {
      "command": "npx",
      "args": [
        "-y",
        "@undisk-mcp/stdio-proxy"
      ],
      "env": {
        "UNDISK_API_KEY": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add stdio-proxy --env UNDISK_API_KEY=your-value -- npx -y @undisk-mcp/stdio-proxy

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "stdio-proxy": {
      "command": "npx",
      "args": [
        "-y",
        "@undisk-mcp/stdio-proxy"
      ],
      "env": {
        "UNDISK_API_KEY": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "stdio-proxy": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@undisk-mcp/stdio-proxy"
      ],
      "env": {
        "UNDISK_API_KEY": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

  • UNDISK_API_KEY secret required env
    Your API Key for Undisk MCP. See https://mcp.undisk.app/docs for setup instructions.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain mcp.undisk.app (the registry checks domain ownership)

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Search & AI memoryi

  • More stars than 0% of the other 7240 servers in this category
  • Published to the registry more recently than 9% of the other 7240 servers in this category
  • Basic checks equal to or better than 100% of the other 7240 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Stdio Proxy safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: UNDISK_API_KEY

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.46.2) reached the registry 7 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Context7, Codebase Memory, Exa

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Context7

by upstash

Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.

Computer or cloud★ 64,224MITUpdated 3 days ago
Install

Codebase Memory

by DeusData

Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

Runs on your computer★ 48,148MITUpdated 20 days ago
Install

Exa

by exa-labs

Connect AI agents to Exa for web search, content fetching, and multi-step research.

Runs in the cloud★ 5,213MITUpdated 44 days ago
Install

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Undisk MCP (mcp.undisk.app)

This repository is a public issue tracker for Undisk MCP versioned file storage for AI agents.

What is Undisk MCP?

Undisk sits between AI agents and the filesystem over MCP. Every write creates an immutable version. Every action is audited. Any change can be reversed in a single call. The agent gets full capability; the human keeps full control.

25 MCP tools covering file operations, version control, workspace administration, introspection, and sandboxed compute.

Now available on:

Reporting Issues

Use this repo to report bugs, request features, or ask questions about:

  • [@undisk-mcp/cli](https://www.npmjs.com/package/@undisk-mcp/cli) — the interactive CLI
  • [@undisk-mcp/stdio-proxy](https://www.npmjs.com/package/@undisk-mcp/stdio-proxy) — the stdio↔HTTP bridge for Docker/local MCP clients
  • [Undisk MCP API](https://mcp.undisk.app/docs) — the hosted MCP server
Before filing
  1. Search existing issues to avoid duplicates
  2. Include your CLI version (undisk-mcp --version) or client info if applicable
  3. For security vulnerabilities, email support@undisk.app instead

Links

License

Undisk MCP is proprietary software. This repository is for issue tracking only and does not contain source code.

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