Mail Security Tools

by api.mailsecuritytools.com · remote · no sign-in to list tools · v1.1.0 · published by com.mailsecuritytools.api

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

Changes · 6

Compare Registry entry

7 tools: 6 change things and 1 only read.

Scanned Oct 21, 2026

Deletes or cancels0Claude Code: deny
Can't be undone0Claude Code: ask
Changes things6Claude Code: ask: see these tools
Only reads1Claude Code: allow: see these tools

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http email-security https://api.mailsecuritytools.com/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

7 tools

Changes things 6Creates or changes something that can be changed back.Claude Code: ask

bulk_email_security_scoreScore 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 m…No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
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.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
- idempotentHint: true
check_domain_email_securityFree.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
Free. 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.
Annotations the server declares
- title: Check domain email security (free)
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
- idempotentHint: true
check_email_addressCheck one email address: syntax, MX / null MX, disposable domain, role account, free provider; verdict ok / risky / undeliverable.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
Check 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.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
- idempotentHint: true
email_fix_planEmail 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…No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
Email 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.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
- idempotentHint: true
email_security_scoreGrade 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.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
Grade 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.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
- destructiveHint: false
- idempotentHint: true
pricingFree.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
Free. Prices of the paid tools, payment network and receiving address.
Annotations the server declares
- title: Prices (free)
- readOnlyHint: true
- idempotentHint: true
- openWorldHint: false
- destructiveHint: false

Only reads 1Looks things up and changes nothing.Claude Code: allow

watch_statusFree.No findings
Why it is in this group
- The name "watch_status" says "status": a word for reading.
Description, as the server wrote it
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.
Annotations the server declares
- title: Watch status (free)
- readOnlyHint: true
- idempotentHint: true
- openWorldHint: false
- destructiveHint: false

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.1.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http email-security https://api.mailsecuritytools.com/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json

{
  "permissions": {
    "allow": [
      "mcp__email-security__watch_status"
    ],
    "ask": [
      "mcp__email-security__check_domain_email_security",
      "mcp__email-security__pricing",
      "mcp__email-security__email_security_score",
      "mcp__email-security__check_email_address",
      "mcp__email-security__email_fix_plan",
      "mcp__email-security__bulk_email_security_score"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as email-security. Review it before you use it.

Keep track

Get told when this server's tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/com.mailsecuritytools.api/email-security/changes.xml

An Atom feed. Works in any feed reader or Slack's RSS app.

Anlyon alternative

6 of these tools change something. Run those as governed actions.

Declare what an action changes, and Anlyon puts it under a shared limit, binds every approval to the exact request, and grades the outcome. It works on any HTTPS API you can describe as an action.

Anlyon does not run, proxy or govern this MCP server. A tool your own code calls directly is not routed through Anlyon and is not governed by it.

Import an OpenAPI spec →

Compare with other servers for the same product.

Source: MCP Registry. Synced Oct 21, 2026, 17:58 UTC.

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