Prompt-injection check (x402)

Reliability

Latest check failed 3 days ago: initialize returned HTTP 404

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "prompt-injection-check-x402": {
      "type": "http",
      "url": "https://prompt-injection-check.onrender.com/mcp"
    }
  }
}

3 tools

• check_prompt_injection

  Check untrusted texts or URLs for prompt injection before your agent reads them. Per item: verdict (safe, suspicious, injection), score, intents, a one-sentence human_summary and evidence spans with code point, UTF-8 byte and UTF-16 offsets. Deterministic rules for EN, NL, DE; a…

• fetch_and_check

  Fetch 1 to 10 public https pages in one call. Per URL: status, final_url, title, clean markdown, verdict (safe, suspicious, injection), intents, evidence spans (offsets into the markdown or the raw HTML for hidden content) and safe_markdown with flagged sentences removed…

• selftest

  Free. Replays the published known-answer set v1.2 (24 cases) and returns score and sha256, so you can verify the detector before paying.

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