QAmcp

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Directory / Tuper Site Check

Tuper Site Check

Q: Is Tuper Site Check MCP server safe?

QAmcp's test on 2 Nov 2026: None of the hidden-instruction wordings we know were found in its tool descriptions. Its error messages showed no secrets or internal details. All 3 of its tools are labeled read-only. Overall it scored 86/100 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 mcp-check.tuper.app · https://mcp-check.tuper.app/mcp

Check a website in a real browser, or check if AI agents can use it: score, problems, report link.

3 tools✓ all read-only✓ no account neededPricing: not listed

Visit website

86 /100

PASS · WITH NOTES

12 of 12 checks · 2 Nov 2026

Is Tuper Site Check MCP server safe?

None of the hidden-instruction wordings we know were found in its tool descriptions.
Its error messages showed no secrets or internal details.
All 3 of its tools are labeled read-only.
Overall it scored 86/100 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

3 tools, in the server's own words.

check_siteread-only

Run a free Tuper Site Check on a public website (measured in a real browser): returns a 0-100 score, counts by severity, the top 5 problems (what, why it matte…

check_agent_readyread-only

Run a free Tuper Agent-Ready Check on a public website: can AI agents reach, read and use it?

get_reportread-only

Read a Site Check report by id (from check_site): status (queued, running, done, error), and when done the score, the top findings (up to 20 with all=true) and…

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
!
Every tool is described
1 warning
- !get_report: Inputs with no description: wait_seconds
note
!
Fast enough
2 warnings
- !Average tool answer: 2.2 s
- !check_site: Slowest tool: check_site (6.2 s): users will notice the wait
- and 2 more
note
✓
ConnectsConnected in 1.0 s
pass
✓
Lists its toolsFound 3 tools
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
- ✓check_site: Worked (6.2 s)
- ✓check_agent_ready: Worked (159 ms)
- ✓get_report: Answered with an error, probably because of our sample input: Error: id must be the 12-character id returned by check_site
pass
✓
Bad inputs give a clean error
All good
- ✓check_site: Refused missing required input "url" with a clear error
- ✓check_site: Refused wrong type for "url" with a clear error
- ✓check_agent_ready: Refused missing required input "url" with a clear error
- ✓check_agent_ready: Refused wrong type for "url" with a clear error
- ✓get_report: Refused missing required input "id" with a clear error
- ✓get_report: Refused wrong type for "id" with a clear error
pass
✓
Tools work together
2 chains working
- ✓check_site → check_agent_ready: check_agent_ready found what check_site returned (url = "https://example.com/")
- ✓check_agent_ready → check_site: check_site found what check_agent_ready returned (url = "https://example.com/")
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

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://mcp-check.tuper.app/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/app-tuper-site-check.svg)](https://qamcp.dev/s/app-tuper-site-check.html)

Score over time

2 Nov 202686

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use Tuper Site Check, 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 (coming soon) tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. You'll also be able to claim this page and get a verified owner mark. Founding price: $19/month for life for the first 50 teams.

Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works