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The real catalog of tools for AI agents

Google tells you what exists. Faceabot tells you what holds up.

44,737real tools
29,284callable over HTTPS
19,862measured
5,943proven reliable
InboxGuards Email Check Reliable (measured) · 100% over 23 checks Does the job (tested) · 22/22

Check emails before you send, and get a $1 SPF/DKIM/DMARC fix plan for your domain. Pay per call.

MCP endpoint : https://api.inboxguardstest.com/mcp · website · measurements and details
IntoDNS.ai DNS & Email Security Scanner Reliable (measured) · 100% over 43 checks Does the job (tested) · 42/42

DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.

MCP endpoint : https://intodns.ai/api/mcp · website · measurements and details
email-deliverability Being measured · 100% over 2 checks

Scan and fix a domain's email deliverability (SPF, DKIM, DMARC, MTA-STS, BIMI, DNS blocklists).

MCP endpoint : https://mcp.inboxguard.io/mcp · measurements and details
MailValid Email Verification Reliable (measured) · 100% over 13 checks Fails real tasks · 0/13

Verify emails: syntax, MX, SMTP mailbox, disposable, role and catch-all checks. Single and bulk.

MCP endpoint : https://mailvalid.io/mcp/ · website · measurements and details
Inbox Check — Email Deliverability Test Not measured yet

Email inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex (SPF/DKIM/DMARC).

Package npm : ldm-inbox-check-mcp · website · measurements and details
Mail Security Tools Reliable (measured) · 100% over 15 checks Does the job (tested) · 15/15

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

MCP endpoint : https://api.mailsecuritytools.com/mcp · website · measurements and details
InboxVet Private (key required)

Verify emails (syntax, MX, SMTP mailbox, catch-all), test email DNS and check Spamhaus blocklists.

MCP endpoint : https://inboxvet.com/api/mcp · website · measurements and details
Powerline Email Tools Flaky · 96% over 27 checks Fails real tasks · 0/25

Email deliverability checks: SPF, DKIM, DMARC, BIMI, MTA-STS, blacklists, headers, spam words

MCP endpoint : https://powerline.ai/mcp · website · measurements and details
ClearBounce Email Verification Reliable (measured) · 100% over 3 checks

Verify email addresses in real time and find business email addresses with live mailbox checks.

MCP endpoint : https://clearbounce.net/mcp · website · measurements and details
Verifai — Email Verification & Domain Intelligence Reliable (measured) · 100% over 3 checks Real task being tested · 2/2

Email verification and domain intelligence for AI agents. MX, RDAP, SSL checks. 25 free credits.

MCP endpoint : https://165-227-136-26.sslip.io/mcp · website · measurements and details
Email Check Reliable (measured) · 100% over 42 checks

Fast email validation at the edge: syntax, MX records, disposable-domain detection.

MCP endpoint : https://email-check.david-cyr.workers.dev/mcp · measurements and details
postbox-tools Reliable (measured) · 100% over 42 checks Does the job (tested) · 42/42

Free email checks: 24 blacklists, spoofing/BEC grade, redirect tracing, email spam test, WHOIS.

MCP endpoint : https://mcp.postboxservices.com/mcp · website · measurements and details
Bulk Email Verifier & Validator Private (key required)

Check emails for valid syntax, MX records, disposable and role addresses and typos. No SMTP check.

MCP endpoint : https://mcp.apify.com/?tools=poised_beardlichen/email-verifier-bulk · website · measurements and details
scan.mx Email Diagnostics Flaky · 67% over 3 checks Real task being tested · 2/2

Email deliverability check: MX, SPF, DKIM, DMARC, blacklists, MTA-STS, DNSSEC, BIMI. Graded, no key.

MCP endpoint : https://api.scan.mx/mcp · website · measurements and details
PingValid Email Validation Private (key required)

Email validation for AI assistants: verdict, risk score, evidence. Free: 100 checks a month.

MCP endpoint : https://pingvalid.com/mcp · website · measurements and details
Email Auth Checker Reliable (measured) · 100% over 4 checks Does the job (tested) · 4/4

SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts.

MCP endpoint : https://email-auth-check.quietworklabs.workers.dev/mcp · website · measurements and details
Email Verifier MCP Private (key required)

Verify email deliverability with RFC format, MX, SMTP and disposable-domain checks.

MCP endpoint : https://neeenja--email-verifier-mcp.apify.actor/mcp · website · measurements and details
BlackVeil DNS & Email Security Scanner Flaky · 86% over 7 checks Does the job (tested) · 6/6

DNS and email security scanner with 81 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

MCP endpoint : https://dns-mcp.blackveilsecurity.com/mcp · website · measurements and details
SMTPing Email Verification Not measured yet

Verify email addresses, clean lists and check spamtrap, disposable, spambot and complainer lists.

Package npm : @smtping/mcp · website · measurements and details
BounceLens Email Check Not measured yet

Check emails for typos, disposable domains and dead domains. Runs locally, no API key.

Package mcpb : https://github.com/bouncelens/mcp-email-check/releases/download/v1.0.0/bouncelens-email-check-1.0.0.mcpb · website · measurements and details

AI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt

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