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Dealio: Belgian deals

by dealio.be · remote · no sign-in to list tools · v1.0.0 · published by be.dealio

Today's promotions from 50+ Belgian retailers, each discount worked out per item. Read-only.

Final · 1Changes · 2

9 tools: 1 do something that can't be undone, 2 change things and 6 only read.

Scanned Oct 22, 2026

3 checks matched something in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http deals https://dealio.be/mcp

Findings

Matches of fixed checks, with the text they matched.

3 warn
  • The server marks "list_stores" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

    Matched text

    annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}; The name "list_stores" says "list": a word for reading.

    What this check looks for
  • The server marks "publish_card" read-only (readOnlyHint: true), and its own name, description or input give the class "irreversible".

    Matched text

    annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}; The name "publish_card" says "publish": a word for a change that another call does not undo.

    What this check looks for
  • The server marks "get_campaigns" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

    Matched text

    annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}; The name "get_campaigns" says "get": a word for reading.

    What this check looks for

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

9 tools

Can't be undone 1Claude Code: ask
  • publish_cardOne promotion ready to publish elsewhere: the card as a picture (PNG, the same card the site's share button makes: store, photo, title, what you pay, regular price, label, end date…1 finding

    Why it is in this group

    • The name "publish_card" says "publish": a word for a change that another call does not undo.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    Findings

    • Warn

      The server marks "publish_card" read-only (readOnlyHint: true), and its own name, description or input give the class "irreversible".

      Matched text

      annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}; The name "publish_card" says "publish": a word for a change that another call does not undo.

      What this check looks for
    Description, as the server wrote it
    One promotion ready to publish elsewhere: the card as a picture (PNG, the same card the site's share button makes: store, photo, title, what you pay, regular price, label, end date; square by default, or 4:5 feed, 9:16 story, 1200x630 link preview; four designs: a shelf tag, b till receipt, d large photo, f 'Vandaag €x goedkoper' with the price large), a short link dealio.be/l/<code> that counts the click and sends the reader straight to the store's page, the store's page itself, the dealio link and a caption. Use the id from search_deals or get_deal.

    Annotations the server declares

    • title: One promotion as a card to share
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
Changes things 2Claude Code: ask
  • get_campaignsThe store campaigns (winkelacties) running at Belgian retailers, as read from the stores' own sites (dealio.be/acties/): a percentage on a whole range, brand or store, multi-buy (1…1 finding

    Why it is in this group

    • The name "get_campaigns" says "get": a word for reading.
    • The description's first verb is "store": a word for a change.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    Findings

    • Warn

      The server marks "get_campaigns" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

      Matched text

      annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}; The name "get_campaigns" says "get": a word for reading.

      What this check looks for
    Description, as the server wrote it
    The store campaigns (winkelacties) running at Belgian retailers, as read from the stores' own sites (dealio.be/acties/): a percentage on a whole range, brand or store, multi-buy (1+1, 2e halve prijs), cashback from the maker, a voucher, a gift, free delivery, loyalty-card deals, sales, no VAT, and announced ones. Not one product's price (that is search_deals). Each with store, kind, the advantage in a few words, what it applies to, condition, code, validity, whether it works on products or on the whole basket, dealio's link, and the promotions on dealio that fall under it (with their links). Filter by store, kind or words.

    Annotations the server declares

    • title: Store campaigns
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • list_storesThe stores in the data: slug, name, number of current promotions, the median discount per item where known, when the store was last fetched, and the pages of the store and its week…1 finding

    Why it is in this group

    • The name "list_stores" says "list": a word for reading.
    • The description's first verb is "store": a word for a change.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    Findings

    • Warn

      The server marks "list_stores" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

      Matched text

      annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}; The name "list_stores" says "list": a word for reading.

      What this check looks for
    Description, as the server wrote it
    The stores in the data: slug, name, number of current promotions, the median discount per item where known, when the store was last fetched, and the pages of the store and its weekly overview. Also lists the category slugs.

    Annotations the server declares

    • title: List stores
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
Only reads 6Claude Code: allow
  • get_buying_guideA researched buying guide (koopwijzer) for a kind of product, e.g.No findings

    Why it is in this group

    • The name "get_buying_guide" says "get": a word for reading.
    Description, as the server wrote it
    A researched buying guide (koopwijzer) for a kind of product, e.g. 'airfryer': the models compared (key specs, today's lowest promotion), what each feature does, when you need it and when not, and general facts, every statement with its source. Use it for 'best <product>' and 'which <product> should I buy' questions ('beste airfryer', 'welke wasmachine kopen'): it does not crown a winner, it gives the cited test and buyer scores with their sources. Without a type: the list of guides.

    Annotations the server declares

    • title: Get a buying guide
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • get_dealOne promotion in full, by the id a search result gave.No findings

    Why it is in this group

    • The name "get_deal" says "get": a word for reading.
    Description, as the server wrote it
    One promotion in full, by the id a search result gave.

    Annotations the server declares

    • title: Get one deal
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • get_meal_ideasMeal ideas from the promotions (kookinspiratie): the dishes whose main ingredients are all in promotion at the given Belgian food store(s) on the day the user shops, with those pro…No findings

    Why it is in this group

    • The name "get_meal_ideas" says "get": a word for reading.
    Description, as the server wrote it
    Meal ideas from the promotions (kookinspiratie): the dishes whose main ingredients are all in promotion at the given Belgian food store(s) on the day the user shops, with those promotions (price, deal, until when, link), the side ingredients that are in promotion too, and what else is needed that is not. Dish ideas for a shopping list, not recipes. Without stores: per food store how many dishes its promotions make today.

    Annotations the server declares

    • title: Meal ideas from the promotions
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • get_modelOne model from a buying guide in full: the maker's specs, what tests and buyers say (score, summary, pros, cons, source), facts, and today's promotions for it with their links.No findings

    Why it is in this group

    • The name "get_model" says "get": a word for reading.
    Description, as the server wrote it
    One model from a buying guide in full: the maker's specs, what tests and buyers say (score, summary, pros, cons, source), facts, and today's promotions for it with their links.

    Annotations the server declares

    • title: Get one model
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • get_newsBelgian consumer news for people who want to save (dealio.be/nieuws/): prices, promotions, store openings and incidents, product recalls (FAVV), tests (Test-Aankoop), taxes and ene…No findings

    Why it is in this group

    • The name "get_news" says "get": a word for reading.
    Description, as the server wrote it
    Belgian consumer news for people who want to save (dealio.be/nieuws/): prices, promotions, store openings and incidents, product recalls (FAVV), tests (Test-Aankoop), taxes and energy, summarised by dealio in two or three sentences with our own headline, the source and the link to its article, newest first. Filter by store (name or slug) or theme. Each item has dealio's link (the item on the news page) and the store pages it names.

    Annotations the server declares

    • title: Consumer news
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • search_dealsSearch the current promotions at Belgian retailers by product, brand or store, with optional filters.No findings

    Why it is in this group

    • The name "search_deals" says "search": a word for reading.
    Description, as the server wrote it
    Search the current promotions at Belgian retailers by product, brand or store, with optional filters. Returns the best matches (biggest per-item discount first unless sorted otherwise), each with price, discount, validity and a link to open it.

    Annotations the server declares

    • title: Search Belgian deals
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http deals https://dealio.be/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__deals__search_deals",
      "mcp__deals__get_deal",
      "mcp__deals__get_buying_guide",
      "mcp__deals__get_model",
      "mcp__deals__get_meal_ideas",
      "mcp__deals__get_news"
    ],
    "ask": [
      "mcp__deals__list_stores",
      "mcp__deals__publish_card",
      "mcp__deals__get_campaigns"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as deals. Review it before you use it.