Mail Security Tools
DMARC/SPF/DKIM/MX checks, email score, 100-domain bulk score, webhook watch alerts (x402 USDC).
Connector by api.mailsecuritytools.comOfficial · Domain verified by the MCP Registry
Install
Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install connector/api-mailsecuritytools-com-email-security
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
Remote endpoint
https://api.mailsecuritytools.com/mcpRemote (HTTP)
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About
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
Permissions
What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.
- Tools
- 7 read · 0 write · 0 deleteRead-only
- Secrets
- None asked for
- Install scripts
- Nothing to install (hosted)
- Runs as
- Hosted (remote endpoint)
Tools by what they do 7
From the running server's own tool list (tools/list) on Oct 25, 2026.
Read 7 · Look things up without changing anything.
bulk_email_security_scorecheck_domain_email_securitycheck_email_addressemail_fix_planemail_security_scorepricingwatch_status
Network hosts it talks to 1
api.mailsecuritytools.com· found in remote endpoint, install command
Tools (7)
As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].
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_securityCheck domain email security (free)read-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.
pricingPrices (free)read-onlyFree. Prices of the paid tools, payment network and receiving address.
watch_statusWatch status (free)read-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.
Signals
- Last release
- Oct 15, 2026 (13 days ago)
Details
- Registry name
com.mailsecuritytools.api/email-security- Version
- 1.1.0
- Auth
- Auth not stated
- License
- License unknown
- First seen
- Oct 24, 2026
- Last checked
- Oct 25, 2026
- Source
- Official MCP Registry
Cite this page
Mail Security Tools MCP server. Agent Mart. https://agentmart.dev/connectors/api-mailsecuritytools-com-email-security (last updated 2026-10-25)