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Directory / Can my AI agent sign up?
Can my AI agent sign up?
by mcp-signups.tuper.app · https://mcp-signups.tuper.app/mcp
Can an AI agent sign up to X? 58 services tested: Cloudflare, captcha, phone or terms gates.
11 of 11 checks · 2 Nov 2026
Is Can my AI agent sign up? 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 2 of its tools are labeled read-only.
- Overall it scored 90/100 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
2 tools, in the server's own words.
lookup_signup_gateread-onlyLook up one service, e.g.
list_signup_gatesread-onlyList the 58 tested services, optionally filtered by gate: blocked, admitted, or one of works, api, cloudflare, turnstile, captcha, rejected, phone, google, tos…
Test results
Safe mode: only tools labeled read-only were run. How the test works
- !Ready for the newest MCP versionnote
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.
- !Bad inputs give a clean errornote
1 warning
- !lookup_signup_gate: Accepted wrong type for "service" without complaining
- and 2 more
- ✓ConnectsConnected in 1.1 spass
- ✓Lists its toolsFound 2 toolspass
- ✓Every tool is describedAll 2 tools and their inputs are describedpass
- ✓Tools are labeled safe or dangerousEvery tool has a safety labelpass
- ✓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 inputspass
All good
- ✓lookup_signup_gate: Worked (149 ms)
- ✓list_signup_gates: Worked (281 ms)
- ✓Fast enoughpass
All good
- ✓Connecting took 1.1 s
- ✓Listing tools took 143 ms
- ✓Average tool answer: 215 ms
- ✓list_signup_gates: Slowest tool: list_signup_gates (281 ms)
- ✓No secrets leakedChecked 2 error messages: no secrets or internal detailspass
- ✓Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guidepass
- –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://mcp-signups.tuper.app/mcpShow 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.
[](https://qamcp.dev/s/app-tuper-agent-signups.html)Score over time
- 2 Nov 202690
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use Can my AI agent sign up?, signed in with GitHub, one per person. Reviews never change the score.
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.
Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works