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Cyber ThreatMCP serverFirst audited Nov 13, 2026

URL Safety Validator MCP

AI URL safety validator: SAFE/SUSPICIOUS/DANGEROUS verdict, trust score, threat intel.The vendor's description, from its MCP Registry listing.

Passed, with 2 warningsAudited Nov 13, 2026
  • Warning: The server only speaks the first MCP version (2024-11-05).
  • Warning: 1 of 1 tools do not say whether they can change things.

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 187 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
Doesn't sayIts tools do not say whether they only read, so treat them as able to change things.
Endpointhttps://url-safety-validator-mcp-production.up.railway.app

Source code Website Streamable HTTP · protocol 2024-11-05 · server version 1.2.40

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Warning: 1 of 1 tools do not say whether they can change things.

    MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.

    • check_url

Tools

  • Passed: 1 tool listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Warning: The server only speaks the first MCP version (2024-11-05).

    Newer versions (latest 2025-11-25) add tool safety labels, structured output and a safer authorization model.

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (1)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • check_urlChecks a URL for phishing, malware, typosquatting, and redirect threats. Call this BEFORE your agent fetches, follows, or forwards any URL in an agentic commerce workflow -- at the moment a merchant…Doesn't say

Audit history

  1. Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200187 ms
initializedHTTP 204144 ms
tools/listHTTP 200105 ms
resources/listHTTP 20088 ms
prompts/listHTTP 20084 ms
unknown-methodHTTP 20088 ms

Run this server, or disagree with the result?

Fix the issue and it shows in the next weekly audit, or email us to ask for a re-audit or to dispute a finding. Read how we audit for what each check means.