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Auth Posture — Email Deliverability & Spoofability Audit

R0· no sign-in

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

v1.0.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust82of 100
Uptime, 30 days94%
Latency p50596 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "audit": {
      "type": "http",
      "url": "https://auth-posture.rowb.app/mcp",
      "headers": {
        "Authorization": "Bearer ${AUDIT_TOKEN}"
      }
    }
  }
}
claude mcp add --transport http audit https://auth-posture.rowb.app/mcp --header "Authorization: Bearer ${AUDIT_TOKEN}"
[mcp_servers.audit]
url = "https://auth-posture.rowb.app/mcp"
bearer_token_env_var = "AUDIT_TOKEN"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "audit": {
      "type": "remote",
      "url": "https://auth-posture.rowb.app/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:AUDIT_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "audit": {
      "type": "http",
      "url": "https://auth-posture.rowb.app/mcp",
      "headers": {
        "Authorization": "Bearer ${AUDIT_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=audit&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXV0aC1wb3N0dXJlLnJvd2IuYXBwL21jcCIsImhlYWRlcnMiOnsiQXV0aG9yaXphdGlvbiI6IkJlYXJlciAke0FVRElUX1RPS0VOfSJ9fQ%3D%3D"
}
{
  "servers": {
    "audit": {
      "type": "http",
      "url": "https://auth-posture.rowb.app/mcp",
      "headers": {
        "Authorization": "Bearer ${AUDIT_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "audit": {
      "httpUrl": "https://auth-posture.rowb.app/mcp",
      "headers": {
        "Authorization": "Bearer ${AUDIT_TOKEN}"
      }
    }
  }
}
extensions:
  "audit":
    enabled: true
    name: "audit"
    type: streamable_http
    uri: "https://auth-posture.rowb.app/mcp"
    headers:
      "Authorization": "Bearer ${AUDIT_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${AUDIT_TOKEN}. The registry never accepts secret values.

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: audit_domain (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
  • pass
    tools.token_costabout 82 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

1 tools, about 82 tokens to load them all · tool set cbc5a9a2cf80 · checked 2026-10-20 11:08 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 82 / 100

no-repository
provenance55
liveness98
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-94% +updated-27d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://auth-posture.rowb.app/mcp streamable-httpnoneyes94%596 ms2025-06-182026-10-20

Tools (1)

audit_domainAudit 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}.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "app.rowb.auth-posture/audit",
  "title": "Auth Posture — Email Deliverability & Spoofability Audit",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://auth-posture.rowb.app/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Bearer API key. Free tier: 3 audits/day without signup; key from /signup gives 50 audits/month."
        }
      ]
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://auth-posture.rowb.app",
  "description": "One-call domain audit: MX receiving, SPF/DMARC/DKIM spoofing protection, disposable-address risk."
}