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Is Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL reliable?

Reliable (measured) Yes. Faceabot measured Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL 26 times: 100% of checks succeeded, including the last 26 in a row (last check 2026-10-19 21:00 UTC). It answers, but its real task has not worked yet (0/26 real results): see "Does it actually do the job?" below.

Last check: 2026-10-19 21:00 UTC · answered in 7103 ms · remote (no install)

En français : Fiable (mesuré). Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.

What it does

$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.

Source: official MCP registry (registry.modelcontextprotocol.io) · version 1.3.0 · publisher website
Connect your agent
{
  "mcpServers": {
    "agent-preflight": {
      "url": "https://sdn-screen-x402.sdnscreen.workers.dev/mcp"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"dev.workers.sdnscreen.sdn-screen-x402/agent-preflight"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Fails real tasks — Faceabot asked dns_lookup to do a small read-only task 26 time(s): 0 returned a real result. Last result: tool_error (the tool answered with an error for the neutral sample input) in 3589 ms.

Sample input: {"name":"example.com"}. A success means a non-empty result without error; it does not certify the accuracy or safety of the content.
Other proven tools for the same job

Wallet Doctor x402 Reliable (measured) · 100%
Multi-chain wallet MCP. 18 tools: balance, swap, bridge, stake, claim. Pay-per-call USDC (x402 v2). · https://wallet-doctor-x402.m-zikriz.workers.dev/mcp

LION — Verified Company & Compliance Data Reliable (measured) · 100%
Keyless x402 compliance on Base: $0.001 OFAC wallet screen, $0.05 pack, $0.95 company file. · https://lionx402.com/api/mcp

Agent Utility Suite (x402) Reliable (measured) · 100%
SEC red-flag alerts & company dossiers, token risk, wallet checks, x402 preflight, scraping, OFAC. · https://x402-agent-api.onrender.com/mcp

Picked from Faceabot's live measurements. Or let Faceabot choose: GET https://faceabot.com/resolve?need=…
Faceabot measurements
WhenAnswersReal taskLatency
2026-10-19 21:00 UTC✅ ok❌ tool_error7103 ms
2026-10-19 08:10 UTC✅ ok❌ tool_error7228 ms
2026-10-18 15:25 UTC✅ ok❌ tool_error6893 ms
2026-10-18 04:40 UTC✅ ok❌ tool_error5046 ms
2026-10-17 20:40 UTC✅ ok❌ tool_error6602 ms
2026-10-17 12:15 UTC✅ ok❌ tool_error5406 ms
2026-10-17 04:30 UTC✅ ok❌ tool_error5580 ms
2026-10-16 20:50 UTC✅ ok❌ tool_error4452 ms
2026-10-16 13:40 UTC✅ ok❌ tool_error5589 ms
2026-10-16 06:40 UTC✅ ok❌ tool_error5569 ms
2026-10-15 23:45 UTC✅ ok❌ tool_error4315 ms
2026-10-15 16:46 UTC✅ ok❌ tool_error6215 ms
2026-10-15 10:06 UTC✅ ok❌ tool_error5214 ms
2026-10-15 03:35 UTC✅ ok❌ tool_error2811 ms
2026-10-14 21:05 UTC✅ ok❌ tool_error8848 ms
2026-10-14 14:35 UTC✅ ok❌ tool_error3832 ms
2026-10-14 08:10 UTC✅ ok❌ tool_error3700 ms
2026-10-14 01:21 UTC✅ ok❌ tool_error8586 ms
2026-10-13 19:10 UTC✅ ok❌ tool_error8016 ms
2026-10-13 13:01 UTC✅ ok❌ tool_error7907 ms
Method: MCP initialize then tools/list from Faceabot (FaceabotProbe/1.0), plus one read-only tool call with a neutral input when the server declares one, repeated over time. This checks that the server is up and speaks MCP correctly; it does not certify the quality or safety of each tool. How measurement works.

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Faceabot reliability badge for Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL

[![Measured by Faceabot](https://faceabot.com/badge/dev.workers.sdnscreen.sdn-screen-x402/agent-preflight.svg)](https://faceabot.com/tools/dev.workers.sdnscreen.sdn-screen-x402/agent-preflight)
Data in JSON: /api/catalog?id=dev.workers.sdnscreen.sdn-screen-x402/agent-preflight · Stop probes: POST /api/reliability/opt-out

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