Quiet Failures

com.quietfailures/quiet-failuresVersion 1.4.8

Open weekly security base rates (CC BY 4.0), plus live DMARC, takeover and WHOIS checks.

Status

Responds319 msNov 14, 2026, 14:12 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:12 UTC
Latency: 319 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://mcp.quietfailures.com/mcpResponds319 msNov 14, 2026, 14:12 UTC

No sign-in

Claude Code

claude mcp add --transport http quiet-failures https://mcp.quietfailures.com/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: quiet-failures
Remote MCP server URL: https://mcp.quietfailures.com/mcp

Cursor

{
  "mcpServers": {
    "quiet-failures": {
      "url": "https://mcp.quietfailures.com/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"quiet-failures","type":"http","url":"https://mcp.quietfailures.com/mcp"}'

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Tools

6 tools

Tools of Quiet Failures
	Description		Read-only	Idempotent	Open world
`check_email_auth`Live SPF, DKIM and DMARC audit of up to 50 domains the user owns or asks about. Returns a per-domain breakdown plus a portfolio grade. Compare against the base rates: most of the web fails these controls. Rate-limited per client.	Live SPF, DKIM and DMARC audit of up to 50 domains the user owns or asks about. Returns a per-domain breakdown plus a portfolio grade. Compare against the base rates: most of the web fails these controls. Rate-limited per client.	Not declared	Yes	Not declared	Yes
`check_subdomain_takeover`Live scan of one domain: enumerate its subdomains (CT logs + DNS), then test each for dangling references on 13 cloud providers. Slow on large domains (up to a few minutes). Rate-limited per client.	Live scan of one domain: enumerate its subdomains (CT logs + DNS), then test each for dangling references on 13 cloud providers. Slow on large domains (up to a few minutes). Rate-limited per client.	Not declared	Yes	Not declared	Yes
`check_whois`Live WHOIS lookup for up to 100 domains: expiry date, registrar, nameservers. Use to catch registrations about to lapse. Rate-limited per client.	Live WHOIS lookup for up to 100 domains: expiry date, registrar, nameservers. Use to catch registrations about to lapse. Rate-limited per client.	Not declared	Yes	Not declared	Yes
`find_base_rate`Search the Quiet Failures base rates by keyword (e.g. "dmarc", "certificate expiry uk", "subdomain takeover"). Returns matching metrics and their most citable segments.	Search the Quiet Failures base rates by keyword (e.g. "dmarc", "certificate expiry uk", "subdomain takeover"). Returns matching metrics and their most citable segments.	Not declared	Yes	Not declared	No
`get_base_rate`Full detail for one Quiet Failures base rate segment: the figure with confidence interval, how it is measured, why it matters, the limits of the measurement, the recent time series, and the canonical source URL to cite. Segment defaults to "global"; country slugs (gb, fr, us…) and company cuts (gb-companies, gb-small…) are also published.	Full detail for one Quiet Failures base rate segment: the figure with confidence interval, how it is measured, why it matters, the limits of the measurement, the recent time series, and the canonical source URL to cite. Segment defaults to "global"; country slugs (gb, fr, us…) and company cuts (gb-companies, gb-small…) are also published.	Not declared	Yes	Not declared	No
`list_base_rates`Catalog of all published Quiet Failures base rates: metric id, the global question, the current global figure, sample size, severity, and every published segment slug (valid `segment` values for get_base_rate). Use get_base_rate for full detail on one.	Catalog of all published Quiet Failures base rates: metric id, the global question, the current global figure, sample size, severity, and every published segment slug (valid `segment` values for get_base_rate). Use get_base_rate for full detail on one.	Not declared	Yes	Not declared	No

Details

Registry status: Active
Published: Aug 17, 2026
Updated: Aug 17, 2026
Website: https://quietfailures.com/mcp⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): SecuritySuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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