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

JsonLink

by mauriblintversion 0.2.0i★ –iRuns on your computer
Registry nameio.github.mauriblint/jsonlink-mcp

Install

Overview

Description from the maker (original English)

Web access for AI agents: URL to Markdown, link metadata, screenshots, links and images of any URL.

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: Other
  • You need to fill in: JSONLINK_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: JSONLINK_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": {
    "jsonlink": {
      "command": "npx",
      "args": [
        "-y",
        "jsonlink-mcp"
      ],
      "env": {
        "JSONLINK_API_KEY": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add jsonlink --env JSONLINK_API_KEY=your-value -- npx -y jsonlink-mcp

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": {
    "jsonlink": {
      "command": "npx",
      "args": [
        "-y",
        "jsonlink-mcp"
      ],
      "env": {
        "JSONLINK_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": {
    "jsonlink": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "jsonlink-mcp"
      ],
      "env": {
        "JSONLINK_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

  • JSONLINK_API_KEY secret required env
    Your JsonLink API key (free at https://jsonlink.io/signup)

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 7, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account mauriblint, which owns the repo

  • … 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 Otheri

  • More stars than 0% of the other 32691 servers in this category
  • Published to the registry more recently than 64% of the other 32691 servers in this category
  • Basic checks equal to or better than 100% of the other 32691 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 JsonLink 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: JSONLINK_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 (0.2.0) reached the registry 21 days 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: Spec Driven Development, Remote Desktop Commander, Dialyne

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

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Runs on your computer★ 440MITUpdated 14 months ago
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Remote Desktop Commander

by desktop-commander

Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.

Runs in the cloud★ 211Updated 2 days ago
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Dialyne

by dialyne

Real phone calls in France for AI agents: dial +33 numbers, menus, hold, AI disclosure.

Runs in the cloudUpdated today
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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.

JsonLink MCP Server

Give your AI agent the web. The JsonLink MCP server lets Claude, Cursor, VS Code and any MCP client read web pages as Markdown, get link metadata, take screenshots and list the links and images on any URL.

  • Reads JavaScript-heavy pages — pages are loaded in a real browser when needed.
  • Gets past blocks — requests are retried through a proxy when a site blocks them.
  • Failed requests are free — timeouts and pages that can't load cost no credits.

Tools

ToolWhat it doesCredits
url_to_markdownMain content of a page as clean Markdown, for reading articles, docs and blog posts1
extract_metadataTitle, description, preview images, favicon and site name of a URL1
screenshotScreenshot of a page (desktop, mobile, tablet, full page or one element), returned as an image. Ads, trackers, chat widgets and cookie banners hidden; optional dark mode2
extract_linksEvery link on a page with anchor text, follow/nofollow and internal/external1
extract_imagesEvery image on a page with format, dimensions and file size1

Get an API key

Create a free account — the free plan includes 100 credits every month, no credit card. Copy your key from the dashboard.

Setup

Replace YOUR_API_KEY with your JsonLink key.

Claude Code
claude mcp add jsonlink -e JSONLINK_API_KEY=YOUR_API_KEY -- npx -y jsonlink-mcp
Claude Desktop

Add this to claude_desktop_config.json (Settings → Developer → Edit Config):

{

"mcpServers": { "jsonlink": { "command": "npx", "args": ["-y", "jsonlink-mcp"], "env": { "JSONLINK_API_KEY": "YOUR_API_KEY" } } } }

Cursor

Add this to ~/.cursor/mcp.json (or .cursor/mcp.json in a project):

{

"mcpServers": { "jsonlink": { "command": "npx", "args": ["-y", "jsonlink-mcp"], "env": { "JSONLINK_API_KEY": "YOUR_API_KEY" } } } }

VS Code

Add this to .vscode/mcp.json:

{

"servers": { "jsonlink": { "command": "npx", "args": ["-y", "jsonlink-mcp"], "env": { "JSONLINK_API_KEY": "YOUR_API_KEY" } } } }

Windsurf and other clients

Any client that runs stdio MCP servers works the same way: command npx, arguments -y jsonlink-mcp, environment variable JSONLINK_API_KEY.

Example prompts

  • "Read https://example.com/blog/post and summarize it in five bullet points."
  • "Take a mobile screenshot of my landing page and tell me what looks broken."
  • "Screenshot just the pricing section of stripe.com in dark mode."
  • "Get the title and description of these 10 links and make a table."
  • "List the external links on this page that are nofollow."

Configuration

VariableDescription
JSONLINK_API_KEYYour JsonLink API key (required).
JSONLINK_API_URLAPI base URL. Defaults to https://jsonlink.io.

Pricing

Every tool call uses credits from your JsonLink plan: 1 credit per page, 2 per screenshot. Plans start at $15/month for 50,000 credits — see pricing. Credits and rate limits are the same as the REST API.

Development

npm install

npm run build JSONLINK_API_KEY=YOUR_API_KEY node dist/index.js

Run it as a remote (Streamable HTTP) server with node dist/index.js --http --port 3100; clients send their key as Authorization: Bearer YOUR_API_KEY.

License

MIT

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