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Mail Security Tools

R0· no sign-in

DMARC/SPF/DKIM/MX checks, email score, 100-domain bulk score, webhook watch alerts (x402 USDC).

v1.1.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality94new
Trust82of 100
Uptime, 30 days94%
Latency p50379 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "email-security": {
      "type": "http",
      "url": "https://api.mailsecuritytools.com/mcp"
    }
  }
}
claude mcp add --transport http email-security https://api.mailsecuritytools.com/mcp
[mcp_servers.email-security]
url = "https://api.mailsecuritytools.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "email-security": {
      "type": "remote",
      "url": "https://api.mailsecuritytools.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "email-security": {
      "type": "http",
      "url": "https://api.mailsecuritytools.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=email-security&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBpLm1haWxzZWN1cml0eXRvb2xzLmNvbS9tY3AifQ%3D%3D"
}
{
  "servers": {
    "email-security": {
      "type": "http",
      "url": "https://api.mailsecuritytools.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "email-security": {
      "httpUrl": "https://api.mailsecuritytools.com/mcp"
    }
  }
}
extensions:
  "email-security":
    enabled: true
    name: "email-security"
    type: streamable_http
    uri: "https://api.mailsecuritytools.com/mcp"
    timeout: 300

Quality 94 / 100new

protocol88 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • warn
    protocol.list_ttltools/list declares ttlMs 0, so clients re-fetch it on every use
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 hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations7 of 7 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 940 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool history recorded for 4 of the 7 days needed
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

7 tools, about 940 tokens to load them all · tool set d3f643946a2e · tools last changed 2026-10-15 · checked 2026-10-19 10:52 UTC

Tool changes

  • watch_statusadded

    Free. Status of a paid email setup watch (created with POST /v1/watch): items, expiry, last check, last webhook delivery and current SPF/DMARC/DKIM/MX state.

  • bulk_email_security_scoreadded

    Score up to 100 domains' email security in one call (SPF 30, DMARC 40, DKIM 25, MX 5 from live DNS): per-domain score, grade and issues, plus a summary with grade counts, domains missing DMARC or SPF, and the worst 10. For MSPs and agents checking a client or vendor list. Costs $0.50 USDC via x402; errors are not charged.

Full history: list_changes · trend: quality JSON.

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-4d-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://api.mailsecuritytools.com/mcp streamable-httpnoneyes94%379 ms2026-07-282026-10-19

Tools (7)

bulk_email_security_scoreread-onlyScore up to 100 domains' email security in one call (SPF 30, DMARC 40, DKIM 25, MX 5 from live DNS): per-domain score, grade and issues, plus a summary with grade counts, domains missing DMARC or SPF, and the worst 10. For MSPs and agents checking a client or vendor list. Costs $0.50 USDC via x402; errors are not charged.
check_domain_email_securityread-onlyFree. Look up a domain's MX, SPF (record, DNS lookup count, all qualifier), DMARC (policy, rua) and DKIM (common selectors, key size) from live DNS and list issues. No payment.
check_email_addressread-onlyCheck one email address: syntax, MX / null MX, disposable domain, role account, free provider; verdict ok / risky / undeliverable. No SMTP probe. Costs $0.01 USDC via x402; errors are not charged.
email_fix_planread-onlyEmail security fix plan for one domain: the exact SPF, DKIM and DMARC records to publish (create / replace / keep, name, value, why), in order, with click-path steps for the domain's DNS host and a staged DMARC rollout. Non-sending domains get a lock-down set. Costs $1 USDC via x402; errors are not charged.
email_security_scoreread-onlyGrade a domain's email security 0-100 (A-F): SPF 30, DMARC 40, DKIM 25, MX 5, from live DNS, with findings and the top 3 fixes. Read-only. Costs $0.01 USDC via x402; errors are not charged.
pricingread-onlyFree. Prices of the paid tools, payment network and receiving address.
watch_statusread-onlyFree. Status of a paid email setup watch (created with POST /v1/watch): items, expiry, last check, last webhook delivery and current SPF/DMARC/DKIM/MX state.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "com.mailsecuritytools.api/email-security",
  "icons": [
    {
      "src": "https://api.mailsecuritytools.com/favicon.svg",
      "sizes": [
        "any"
      ],
      "mimeType": "image/svg+xml"
    }
  ],
  "title": "Mail Security Tools",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://api.mailsecuritytools.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.1.0",
  "websiteUrl": "https://api.mailsecuritytools.com/llms.txt",
  "description": "DMARC/SPF/DKIM/MX checks, email score, 100-domain bulk score, webhook watch alerts (x402 USDC)."
}