QAmcp

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Directory / Plendio price comparison

Plendio price comparison

Q: Is Plendio price comparison MCP server safe?

QAmcp's test on 8 Nov 2026: None of the hidden-instruction wordings we know were found in its 15 tool descriptions. Its error messages showed no secrets or internal details. 9 of its 15 tools are labeled read-only; the others may change or send things. Overall it scored 100/100 on 8 Nov 2026. A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

by plendio.dk · https://plendio.com/mcp

Compare 22M+ prices in DK, SE, NO, DE: search, price history, deals, gift ideas, wishlists. No login

15 tools✓ no account neededPricing: not listed

Visit website

100 /100

PASS

13 of 13 checks · 8 Nov 2026

Test it now for current results

At a glance

Runs where: On their server. What you send to it goes to them.
What you need: Nothing: it answered without a login
Tools: 15 tools
Its own safety labels: 9 read-only, 3 labeled as deleting or destroying, 3 labeled as changing things
Memory it takes: About 5,400 tokens of your AI's memory, just for its tool descriptions
Largest answer: About 10.4 KB in our test
Speed: Average answer in our test: 229 ms

Tokens are an estimate: the characters in its tool names, descriptions and inputs, divided by 4. The exact number depends on your AI model. Safety labels are what the server says about itself. From our latest test, 8 Nov 2026.

Is Plendio price comparison MCP server safe?

None of the hidden-instruction wordings we know were found in its 15 tool descriptions.
Its error messages showed no secrets or internal details.
9 of its 15 tools are labeled read-only; the others may change or send things.
Overall it scored 100/100 on 8 Nov 2026.

A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

What this test does not check

Its source code and packages.
What a tool quietly does behind the scenes, such as writing a file or calling another service.
Instructions hidden inside live tool answers. We only look for those in tool descriptions.
Hidden instructions worded in a way our list doesn't know yet.
Tools that could change something. Those are read, never run.

What QAmcp can and can't see · How to tell if an MCP server is safe · Hidden instructions · Prompt injection

Known security advisories

It lists no public code, so there is nothing to look up in GitHub Security Advisories or OSV.dev. QAmcp tests how a server behaves. It does not scan source code.

What it can do

15 tools, in the server's own words.

add_to_wishlist

Adds products to a wishlist made earlier, given its edit link or the token at the end of it.

compare_pricesread-only

Returns the shops selling one product, one offer per shop (its best, with a count of its other offers), cheapest first by total price including shipping (price…

create_wishlist

Creates a shareable wishlist ("ønskeseddel") on Plendio from products a person has picked, for example gifts found with a search, once they want a list to send…

get_dealsread-only

Returns products whose price has recently fallen in a market, best deals first, with the price now, the normal price it is compared with, the discount, how man…

get_productread-only

Returns one product by its Plendio id: specifications, one offer per shop (its best) with price, shipping, total, the same amounts in the market's currency, av…

get_storeread-only

Returns what Plendio knows about an online shop, given its domain: its name and country, whether and to which markets it ships, shipping fee, free-shipping lim…

get_wishlistread-only

Returns a Plendio wishlist from its share link or share id: its title, its items with notes and best current prices, and the url of each product's Plendio page.

gift_ideasread-only

Returns popular gift ideas in a market: well-priced products that several shops sell, one per category and brand, refreshed hourly, with the cheapest current p…

list_brandsread-only

Returns brands in Plendio's catalogue with the number of products each has and the url of its brand page on Plendio.

list_categoriesread-only

Returns Plendio's product categories with localized names, slugs and product counts: the top level, or the subcategories of parent.

remove_from_wishlist

Removes products from a wishlist, given its edit link or the token at the end of it.

reserve_gift

Marks one product on a shared wishlist as taken by the giver, given the list's share link, so that nobody else buys the same gift.

search_productsread-only

Search Plendio's product catalogue: free text in Danish, Swedish, German, Norwegian or English ("laptop 32 GB RAM under 12000", "Sony WH-1000XM5", "running sho…

unreserve_gift

Takes back a gift reservation, given the list's share link, the product's Plendio id and the reservation_token returned when the gift was reserved.

update_wishlist

Changes a wishlist's title, who it is for (recipient) and the day of the occasion (occasion_date, YYYY-MM-DD, today or later), given its edit link or the token…

Test results

Safe mode: only tools labeled read-only were run. How the test works

!
Follows MCP best practices (not scored yet)
1 tip (not scored)
- !The tool list is about 57 KB (roughly 14k tokens). AI apps send it with every message, so it takes that much of the AI's memory before any work starts.
note
✓
ConnectsConnected in 219 ms
pass
✓
Ready for the newest MCP versionUses the latest MCP version (2026-07-28)
pass
✓
Lists its toolsFound 15 tools
pass
✓
Every tool is describedAll 15 tools and their inputs are described
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.
pass
✓
Tools work with good inputs
All good
- ✓compare_prices: Worked (220 ms)
- ✓get_deals: Worked (172 ms)
- ✓get_product: Worked (192 ms)
- ✓get_store: Answered with an error, probably because of our sample input: host must be a shop's domain, e.g. elgiganten.dk
- ✓get_wishlist: Answered with an error, probably because of our sample input: No wishlist found for that share link.
- ✓list_brands: Worked (175 ms)
- ✓list_categories: Worked (171 ms)
- ✓search_products: Worked (576 ms)
- and 7 more
pass
✓
Bad inputs give a clean error
All good
- ✓compare_prices: Refused missing required input "product_id" with a clear error
- ✓compare_prices: Refused wrong type for "product_id" with a clear error
- ✓get_deals: Refused wrong type for "market" with a clear error
- ✓get_product: Refused missing required input "product_id" with a clear error
- ✓get_product: Refused wrong type for "product_id" with a clear error
- ✓get_store: Refused missing required input "host" with a clear error
- ✓get_store: Refused wrong type for "host" with a clear error
- ✓get_wishlist: Refused missing required input "share_url" with a clear error
- and 5 more
pass
✓
Tools work together
5 chains working
- ✓get_deals → compare_prices: compare_prices found what get_deals returned (product_id = "3950926")
- ✓get_deals → get_product: get_product found what get_deals returned (product_id = "3950926")
- ✓compare_prices → get_product: get_product found what compare_prices returned (product_id = "1")
- ✓get_product → compare_prices: compare_prices found what get_product returned (product_id = "1")
- ✓search_products → compare_prices: compare_prices found what search_products returned (product_id = "144422")
pass
✓
Fast enough
All good
- ✓Connecting took 219 ms
- ✓Listing tools took 396 ms
- ✓Average tool answer: 229 ms
- ✓search_products: Slowest tool: search_products (576 ms)
pass
✓
No secrets leakedChecked 28 error messages: no secrets or internal details
pass
✓
Resources and prompts work
All good (1 resource)
- ✓Opened 1 of 1 resources
- ✓An address that does not exist gets a clean "not found" error
pass

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://plendio.com/mcp

Show this score on GitHub

Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.

[![QAmcp score](https://qamcp.dev/s/com-plendio-plendio.svg)](https://qamcp.dev/s/com-plendio-plendio.html)

Score over time

8 Nov 2026100

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use Plendio price comparison, signed in with GitHub, one per person. Reviews never change the score.

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