Catalog › dev.workers.mike-tusa.headerguard/headerguard
Reliable (measured) Yes. Faceabot measured HeaderGuard 36 times: 100% of checks succeeded, including the last 36 in a row (last check 2026-10-20 00:35 UTC). It also does the job: its real read-only task worked 36 of 36 times.
Last check: 2026-10-20 00:35 UTC · answered in 6385 ms · remote (no install)
En français : Fiable (mesuré). Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.
Scan a website's HTTP security headers (HSTS, CSP, framing, COOP/CORP, cookies). Score + fixes.
Source: official MCP registry (registry.modelcontextprotocol.io) · version 0.4.0 · publisher website{
"mcpServers": {
"headerguard": {
"url": "https://headerguard.mike-tusa.workers.dev/mcp"
}
}
}Or ask Faceabot first: MCP tool check_reliability {"id":"dev.workers.mike-tusa.headerguard/headerguard"} on https://faceabot.com/api/mcp.Does the job (tested) — Faceabot asked scan_headers to do a small read-only task 36 time(s): 36 returned a real result, the last 36 in a row. Last result: ok in 3468 ms.
{"url":"https://example.com"}. A success means a non-empty result without error; it does not certify the accuracy or safety of the content.AI Website Security Reliable (measured) · 100%
Security basics of a website: HTTPS certificate, redirection, headers, mixed content, DNS filtering. · https://scan.aiwebsitesecurity.com/api/mcp
mcp-domain-auditor Reliable (measured) · 100%
DNS resolution, HTTP security headers, and SPF/DMARC email hygiene audits. · https://mcp-domain-auditor.stubby76.workers.dev/mcp
Domain Health Reliable (measured) · 100%
Domain checks: SPF, DKIM, DMARC, BIMI, MTA-STS, SSL/TLS and HTTP security headers. · https://mcp.modernmustardseed.com/domain-health
GET https://faceabot.com/resolve?need=…| When | Answers | Real task | Latency |
|---|---|---|---|
| 2026-10-20 00:35 UTC | ✅ ok | ✅ done | 6385 ms |
| 2026-10-19 12:20 UTC | ✅ ok | ✅ done | 8000 ms |
| 2026-10-18 20:05 UTC | ✅ ok | ✅ done | 5238 ms |
| 2026-10-18 07:05 UTC | ✅ ok | ✅ done | 6123 ms |
| 2026-10-17 23:15 UTC | ✅ ok | ✅ done | 5436 ms |
| 2026-10-17 15:05 UTC | ✅ ok | ✅ done | 6933 ms |
| 2026-10-17 07:00 UTC | ✅ ok | ✅ done | 7790 ms |
| 2026-10-16 23:15 UTC | ✅ ok | ✅ done | 3813 ms |
| 2026-10-16 16:05 UTC | ✅ ok | ✅ done | 7027 ms |
| 2026-10-16 09:05 UTC | ✅ ok | ✅ done | 3710 ms |
| 2026-10-16 02:10 UTC | ✅ ok | ✅ done | 4707 ms |
| 2026-10-15 19:15 UTC | ✅ ok | ✅ done | 5163 ms |
| 2026-10-15 12:31 UTC | ✅ ok | ✅ done | 3171 ms |
| 2026-10-15 05:55 UTC | ✅ ok | ✅ done | 3044 ms |
| 2026-10-14 23:20 UTC | ✅ ok | ✅ done | 3717 ms |
| 2026-10-14 17:00 UTC | ✅ ok | ✅ done | 6806 ms |
| 2026-10-14 10:30 UTC | ✅ ok | ✅ done | 3557 ms |
| 2026-10-14 03:56 UTC | ✅ ok | ✅ done | 5902 ms |
| 2026-10-13 21:20 UTC | ✅ ok | ✅ done | 6325 ms |
| 2026-10-13 15:15 UTC | ✅ ok | ✅ done | 7804 ms |
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.Find tools similar to HeaderGuard →
Show your measured reliability on your README or website:
[](https://faceabot.com/tools/dev.workers.mike-tusa.headerguard/headerguard)Data in JSON: /api/catalog?id=dev.workers.mike-tusa.headerguard/headerguard · Stop probes:
POST /api/reliability/opt-outAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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