Auth Posture — Email Deliverability & Spoofability Audit MCP Server

by rowb-auth-posture Your server? Claim it

answering

Auth Posture — Email Deliverability & Spoofability Audit is answering right now. Last checked 9 min ago. It exposes 1 tools.

One-call domain audit: MX receiving, SPF/DMARC/DKIM spoofing protection, disposable-address risk.

Uptime history 46 days of history · worst day 90%

46 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

625 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Auth Posture — Email Deliverability & Spoofability Audit every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add audit --transport http https://auth-posture.rowb.app/mcp

Settings → Connectors → Add custom connector, then paste this address

https://auth-posture.rowb.app/mcp

~/.codex/config.toml

[mcp_servers.audit]
url = "https://auth-posture.rowb.app/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "audit": {
      "url": "https://auth-posture.rowb.app/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "audit": {
      "type": "http",
      "url": "https://auth-posture.rowb.app/mcp"
    }
  }
}

Available tools 1

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

audit

audit_domain

Audit an email domain in one call: can it receive mail (MX), can it be spoofed (SPF/DMARC/DKIM posture), disposable check. Returns {can_receive, can_be_spoofed, score, reasons, checks}.

Endpoints

URL	Transport	State	Latency	Checked
https://auth-posture.rowb.app/mcp	streamable-http	answering	712 ms	9 min ago

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Auth Posture — Email Deliverability & Spoofability Audit — questions

Answers built from our own checks of this server.

What can Auth Posture — Email Deliverability & Spoofability Audit do?

It exposes 1 tools, read directly from the server on our last check. Among them: audit_domain. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Auth Posture — Email Deliverability & Spoofability Audit working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 625 ms. The bar chart above shows every period we have measured.

How do I connect Auth Posture — Email Deliverability & Spoofability Audit?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Auth Posture — Email Deliverability & Spoofability Audit need an API key?

No. Auth Posture — Email Deliverability & Spoofability Audit completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Auth Posture — Email Deliverability & Spoofability Audit?

It answers our handshake in 625 ms on average, which is faster than 16% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.