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Directory / Gratka MCP

Gratka MCP

Q: Is Gratka MCP server safe?

QAmcp's test on 2 Nov 2026: None of the hidden-instruction wordings we know were found in its tool descriptions. 0 of its 4 tools are labeled read-only; the others may change or send things. Overall it scored 83/100 on 2 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 mcps.wondel.ai · https://mcp.wondel.ai/gratka/mcp

Polish property on Gratka.pl/Morizon.pl (one database): flats, houses, plots, premises, buy or rent.

4 tools✓ no account neededPricing: not listed

Visit website

83 /100

PASS · WITH NOTES

Partial: 8 of 11 checks · 2 Nov 2026

Is Gratka MCP server safe?

None of the hidden-instruction wordings we know were found in its tool descriptions.
0 of its 4 tools are labeled read-only; the others may change or send things.
Overall it scored 83/100 on 2 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 it can do

4 tools, in the server's own words.

gratka_search

Search property listings on Gratka.pl, a major Polish real-estate portal: flats, houses, plots, commercial premises, offices, garages and rooms, for sale or fo…

gratka_offer

Full details of one Gratka.pl listing: price and price per m² (PLN), area, rooms, floor, year built, property type, transaction and market, the address with di…

morizon_search

Search property listings on Morizon.pl, a major Polish real-estate portal: flats, houses, plots, commercial premises, offices, garages and rooms, for sale or f…

morizon_offer

Full details of one Morizon.pl listing: price and price per m² (PLN), area, rooms, floor, year built, property type, transaction and market, the address with d…

Test results

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

!
Every tool is described
2 warnings
- !gratka_search and morizon_search have nearly the same description (100% of their words are shared; the descriptions are identical), so an AI may not know which to pick
- !gratka_offer and morizon_offer have nearly the same description (97% of their words are shared; the only difference: "gratka" vs "morizon"), so an AI may not know which to pick
note
!
Tools are labeled safe or dangerous
1 warning
- !4 of 4 tools have no safety label (read-only or dangerous): gratka_search, gratka_offer, morizon_search, morizon_offer
note
!
Follows MCP best practices (not scored yet)
2 tips (not scored)
- !4 tools not labeled read-only don't say whether running them twice is safe (idempotentHint): gratka_search, gratka_offer, morizon_search, morizon_offer
- !4 tools don't say whether they reach outside services like the web (openWorldHint): gratka_search, gratka_offer, morizon_search, morizon_offer
note
✓
ConnectsConnected in 37 ms
pass
✓
Ready for the newest MCP versionUses the latest MCP version (2026-07-28)
pass
✓
Lists its toolsFound 4 tools
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
✓
Fast enough
All good
- ✓Connecting took 37 ms
- ✓Listing tools took 94 ms
pass
–
Tools work with good inputs
Not tested
- –gratka_search: Not run: no safety label (if you own this server, test again in owner mode)
- –gratka_offer: Not run: no safety label (if you own this server, test again in owner mode)
- –morizon_search: Not run: no safety label (if you own this server, test again in owner mode)
- –morizon_offer: Not run: no safety label (if you own this server, test again in owner mode)
not tested
–
Bad inputs give a clean errorNot tested
not tested
–
Tools work togetherNo safe tool returned data to start a chain from, so chains were not tested (not counted either way)
not tested
–
No secrets leakedNo error messages to check
not tested

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://mcp.wondel.ai/gratka/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/ai-wondel-gratka.svg)](https://qamcp.dev/s/ai-wondel-gratka.html)

Score over time

2 Nov 202683

One test so far. New tests will show here.

Reviews

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

Is this your server? Get an alert the moment it breaks.

QAmcp Monitor tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. Free for 1 server, no card.

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