QAmcp

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Directory / Fuse rooms

Fuse rooms

Q: Is Fuse rooms MCP server safe?

QAmcp's test on 12 Nov 2026: None of the hidden-instruction wordings we know were found in its 5 tool descriptions. Its error messages showed no secrets or internal details. All 5 of its tools are labeled read-only. Overall it scored 95/100 on 12 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 fusestays.com · https://fusestays.com/mcp

Search Fuse's furnished, all inclusive student rooms in Budapest and Riga. Read only, no key.

5 tools✓ all read-only✓ no account neededPricing: on their site

See pricing →Visit website

95 /100

PASS · WITH NOTES

12 of 12 checks · 12 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: 5 tools
Its own safety labels: 5 read-only
Memory it takes: About 1,500 tokens of your AI's memory, just for its tool descriptions
Largest answer: About 17.6 KB in our test
Speed: Average answer in our test: 142 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, 12 Nov 2026.

Is Fuse rooms MCP server safe?

None of the hidden-instruction wordings we know were found in its 5 tool descriptions.
Its error messages showed no secrets or internal details.
All 5 of its tools are labeled read-only.
Overall it scored 95/100 on 12 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

5 tools, in the server's own words.

search_roomsread-only

Find furnished, all inclusive Fuse student rooms in Budapest or Riga by city, move in date, highest monthly budget, room type, home type and contract length.

get_room_detailsread-only

Get the facts about one Fuse room from the live listing: monthly price for each contract length, any length offer, deposit, membership fee, what the price incl…

get_prices_and_availabilityread-only

Get what a Fuse room costs and when rooms are free: for each room type in Budapest and Riga, the lowest and highest monthly price from the live listing and whe…

answer_faqread-only

Answer a question about Fuse from the site's own FAQ and city guides, with the same search /ask runs: booking, documents, fees, deposit, cancellation, contract…

get_booking_stepsread-only

Explain how a student books a Fuse room in Budapest or Riga: the steps from choosing a room to moving in, as the site runs them now, the documents to upload, t…

Test results

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

!
Ready for the newest MCP version
1 warning
- !Uses an older MCP version (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
✓
ConnectsConnected in 1.0 s
pass
✓
Lists its toolsFound 5 tools
pass
✓
Every tool is describedAll 5 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
- ✓search_rooms: Worked (153 ms)
- ✓get_room_details: Answered with an error, probably because of our sample input: That room is not on the room list now. search_rooms lists the rooms there are. {"room":null,"terms":null,"how_to_book":"Open the room's pag…
- ✓get_prices_and_availability: Worked (139 ms)
- ✓answer_faq: Worked (150 ms)
- ✓get_booking_steps: Worked (133 ms)
pass
✓
Bad inputs give a clean error
All good
- ✓search_rooms: Refused missing required input "city" with a clear error
- ✓search_rooms: Refused wrong type for "city" with a clear error
- ✓get_room_details: Refused missing required input "room" with a clear error
- ✓get_room_details: Refused wrong type for "room" with a clear error
- ✓get_prices_and_availability: Refused missing required input "city" with a clear error
- ✓get_prices_and_availability: Refused wrong type for "city" with a clear error
- ✓answer_faq: Refused missing required input "question" with a clear error
- ✓answer_faq: Refused wrong type for "question" with a clear error
- and 2 more
pass
✓
Fast enough
All good
- ✓Connecting took 1.0 s
- ✓Listing tools took 253 ms
- ✓Average tool answer: 142 ms
- ✓search_rooms: Slowest tool: search_rooms (153 ms)
pass
✓
No secrets leakedChecked 11 error messages: no secrets or internal details
pass
✓
Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guide
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
–
Tools work togetherNo tool's answer could be fed into another tool, so there were no chains to test (not counted either way)
not tested

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://fusestays.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-fusestays-rooms.svg)](https://qamcp.dev/s/com-fusestays-rooms.html)

Score over time

12 Nov 202695

One test so far. New tests will show here.

Reviews

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

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

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