Supplementscanner

Name: Supplementscanner
Author: supplementscanner

by supplementscannerversion 1.2.0i★ –iComputer or cloud

Registry nameio.github.supplementscanner/scanner

Install

Overview

Description from the maker (original English)

Live supplement prices per kg, serving or capsule from stores across Europe. Free, no API key.

PopNx MCP’s three pillars

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

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

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: Computer or cloud
Transport: stdio, Streamable HTTP
Category: Other

Install

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

Before you install

Basic checks: 1 of 1 passed
Runs on the maker’s server: what you ask it goes through their server.
You fill in yourself: SUPPLEMENTSCANNER_MARKET

You need

Runs in the cloudNothing to install; it connects over the internet
npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

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

Works in Claude on the web, desktop and mobile:

Open Settings → Connectors
Press Add custom connector
Paste the address below and press Add
If it asks you to sign in, sign in with the maker

https://mcp.supplementscanner.eu

Or run it on your computer

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

{
  "mcpServers": {
    "scanner": {
      "command": "npx",
      "args": [
        "-y",
        "supplementscanner-mcp"
      ],
      "env": {
        "SUPPLEMENTSCANNER_MARKET": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add --transport http scanner https://mcp.supplementscanner.eu

Or run it on your computer

claude mcp add scanner --env SUPPLEMENTSCANNER_MARKET=your-value -- npx -y supplementscanner-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": {
    "scanner": {
      "url": "https://mcp.supplementscanner.eu"
    }
  }
}

Or run it on your computer

Open in Cursor

Or copy the settings yourself

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

{
  "mcpServers": {
    "scanner": {
      "command": "npx",
      "args": [
        "-y",
        "supplementscanner-mcp"
      ],
      "env": {
        "SUPPLEMENTSCANNER_MARKET": "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": {
    "scanner": {
      "type": "http",
      "url": "https://mcp.supplementscanner.eu"
    }
  }
}

Or run it on your computer

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "scanner": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "supplementscanner-mcp"
      ],
      "env": {
        "SUPPLEMENTSCANNER_MARKET": "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.

ChatGPT connects only to servers on the internet:

Open ChatGPT on the web → Settings → Connectors (Apps)
Press Create or Add (some plans need Developer mode under Advanced first)
Paste the address below, give it a name and save
If it asks you to sign in, sign in with the maker

https://mcp.supplementscanner.eu

Menu names can differ slightly by plan and over time.

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

Values you fill in

SUPPLEMENTSCANNER_MARKET env
Connect to one country's own endpoint (nl, be, fr, gb, pl, dk, es or at), which answers for that country when a request names none. Unset, the bridge connects to https://mcp.supplementscanner.eu.

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

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

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 with the GitHub account supplementscanner, 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 checked yet
Endpoint responds
Not checked yet; we check endpoints in rotation
… Not checked yet
Sign-in with OAuth
Not checked yet; we check endpoints in rotation
… Not checked yet
No hidden instructions in tool descriptions
Not checked yet; we read the tool list when we check the endpoint

Compared with others in Otheri

More stars than 0% of the other 32410 servers in this category
Published to the registry more recently than 81% of the other 32410 servers in this category
Basic checks equal to or better than 100% of the other 32410 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 Supplementscanner 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?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

Either way works: install it on your computer or connect to the cloud version.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.2.0) reached the registry 8 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, debuff

Alternatives

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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.

Supplementscanner MCP Server

Supplementscanner is a hosted MCP server for supplement price comparison. It gives AI assistants such as Claude, ChatGPT, Cursor and VS Code live prices from supplement web stores across Europe, normalized to a price per kg, per serving or per capsule. It is free and read-only, and it needs no API key or account.

We scan. You save.

https://mcp.supplementscanner.eu

What it does

A sticker price says little about value. A 2.5 kg tub of whey and a 900 g pouch, or a jar of 60 capsules and one of 240, only become comparable once the price is divided by what the pack holds. Supplementscanner scans supplement stores continuously and does that division for every product, so each category can be ordered by the price you actually pay per unit.

This MCP server gives an assistant the same view. Ask where whey isolate, creatine monohydrate, magnesium bisglycinate or vitamin D3 costs least per unit, and it answers from live prices, with the store, the pack size, the unit price and a link to buy.

Per-unit prices: every product is compared on its category's unit: per kg for powders, per serving or per capsule for the rest.
Live data: prices are refreshed around the clock, and every response says when the data was last scanned.
Eight markets: the Netherlands, Belgium, France, the United Kingdom, Poland, Denmark, Spain and Austria, each in its own currency.
No setup: one HTTPS endpoint, streamable HTTP transport, no authentication.

Tools

All four tools are read-only.

Tool	What it does	Main arguments
`find_cheapest`	Products in a category and all its subcategories, ordered by lowest price per unit. Start here.	`category_slug`, `limit`, `in_stock_only`, `market`
`list_categories`	The category tree, each category with a live product count, store count and lowest unit price. Use it to find a `category_slug`.	`market`
`search_products`	Typo-tolerant search across the whole catalogue by product name or brand.	`query`, `category_slug`, `max_unit_price_cents`, `in_stock_only`, `limit`, `market`
`get_product`	One product in full: price, unit price, size, bulk discount tiers, buy link and recent price history.	`product_id`, `market`

Money comes back as integer cents plus a string formatted for the market's locale. Every response carries last_scraped_at, so an assistant can tell the user how fresh a price is.

Example prompts

"Where do I pay the least per kg for whey isolate in the Netherlands?"
"Compare vitamin D3 capsules on price per capsule in Belgium, in stock only."
"Which creatine monohydrate has the lowest price per kilo right now?"
"Has the price of this magnesium bisglycinate changed recently?"

Markets

Country	Site	`market`	Country endpoint
Netherlands	supplementenscanner.nl	`nl`	`https://mcp.supplementenscanner.nl`
Belgium	supplementscanner.be	`be`	`https://mcp.supplementscanner.be`
France	supplementscanner.fr	`fr`	`https://mcp.supplementscanner.fr`
United Kingdom	supplementscanner.co.uk	`gb`	`https://mcp.supplementscanner.co.uk`
Poland	supplementscanner.pl	`pl`	`https://mcp.supplementscanner.pl`
Denmark	supplementscanner.dk	`dk`	`https://mcp.supplementscanner.dk`
Spain	suplementoscanner.es	`es`	`https://mcp.suplementoscanner.es`
Austria	supplementscanner.at	`at`	`https://mcp.supplementscanner.at`

In the Netherlands the service is called Supplementenscanner, and in Spain Suplementoscanner.

https://mcp.supplementscanner.eu answers for every market. Without a market argument it answers for the Netherlands; pass market: "be" for Belgian prices, market: "gb" for British ones, and so on. Each country also has an endpoint of its own, which defaults to that country and otherwise works the same way.

Connect

Claude

Claude.ai and Claude Desktop: open Settings, then Connectors, choose *Add custom connector*, and paste https://mcp.supplementscanner.eu.

Claude Code:

claude mcp add --transport http supplementscanner https://mcp.supplementscanner.eu

ChatGPT

In developer mode, add a connector with the URL https://mcp.supplementscanner.eu and no authentication.

Cursor

~/.cursor/mcp.json:

"mcpServers": { "supplementscanner": { "url": "https://mcp.supplementscanner.eu" } } }

VS Code

.vscode/mcp.json:

"servers": { "supplementscanner": { "type": "http", "url": "https://mcp.supplementscanner.eu" } } }

Windsurf

~/.codeium/windsurf/mcp_config.json:

"mcpServers": { "supplementscanner": { "serverUrl": "https://mcp.supplementscanner.eu" } } }

Cline

cline_mcp_settings.json:

"mcpServers": { "supplementscanner": { "type": "streamableHttp", "url": "https://mcp.supplementscanner.eu" } } }

Gemini CLI

~/.gemini/settings.json:

"mcpServers": { "supplementscanner": { "httpUrl": "https://mcp.supplementscanner.eu" } } }

Codex CLI

~/.codex/config.toml:

[mcp_servers.supplementscanner]

url = "https://mcp.supplementscanner.eu"

Clients that only run local commands

The supplementscanner-mcp npm package is a stdio bridge: it passes every message to the hosted endpoint unchanged and holds no logic of its own. It needs Node.js 18 or later.

"mcpServers": { "supplementscanner": { "command": "npx", "args": ["-y", "supplementscanner-mcp"] } } }

It connects to https://mcp.supplementscanner.eu by default. To connect to a country's own endpoint instead, add its market code to args (["-y", "supplementscanner-mcp", "be"]) or set SUPPLEMENTSCANNER_MARKET.

FAQ

Is the Supplementscanner MCP server free?

Yes. The hosted server is free to use, with no API key, no account and no sign-up. Connect any MCP client to https://mcp.supplementscanner.eu and call the tools.

How are supplement prices compared?

Products are compared within their category on one unit: per kg for protein powder, creatine and other powders, per capsule or tablet for capsule products, and per serving where that is how a product is taken. The pack size comes from the store's own listing. A product whose size cannot be read gets no unit price, rather than a guessed one.

Which countries and stores are covered?

The Netherlands, Belgium, France, the United Kingdom, Poland, Denmark, Spain and Austria. Each market is priced in its own currency (euros, pounds, złoty or kroner), and every response states the market it is scoped to. Markets and stores are added over time, and list_categories returns the live store count for each category.

How up to date are the prices?

Prices are refreshed continuously, and the products people see most are checked most often. Every response includes last_scraped_at, the time the data was last scanned.

Do affiliate commissions change the ranking?

No. find_cheapest orders by price per unit, and search_products by relevance and then price per unit. See Affiliate links.

Is there a REST API as well?

Yes. The same catalogue is available as a JSON API at https://api.supplementscanner.eu/v1, described by an OpenAPI document.

Affiliate links

Buy links are affiliate links: when someone buys through one, the store may pay Supplementscanner a commission. Commission plays no part in the order of results. Every response that shows prices includes an affiliate_disclosure string, and assistants are asked to pass it on.

Also available

JSON API: https://api.supplementscanner.eu/v1 (OpenAPI)
llms.txt
Developer page: supplementscanner.eu/developers
Methodology: supplementscanner.eu/methodology

Privacy

See the privacy policy.

Support

Questions, a wrong price or a store we should scan: open an issue in this repository.

License

The code and documentation in this repository are MIT licensed. The price data the hosted service returns is not covered by it.

Supplementscanner

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Or run it on your computer

Or run it on your computer

Or run it on your computer

Or run it on your computer

Values you fill in

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

debuff

README from the maker

Supplementscanner MCP Server

What it does

Tools

Example prompts

Markets

Connect

Claude

ChatGPT

Cursor

VS Code

Windsurf

Cline

Gemini CLI

Codex CLI

Clients that only run local commands

FAQ

Is the Supplementscanner MCP server free?

How are supplement prices compared?

Which countries and stores are covered?

How up to date are the prices?

Do affiliate commissions change the ranking?

Is there a REST API as well?

Affiliate links

Also available

Privacy

Support

License