The real catalog of tools for AI agents

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

47,279real tools

31,340callable over HTTPS

21,417measured

6,540proven reliable

DomainRef - domain and email security check Reliable (measured) · 100% over 8 checks Fails real tasks · 0/8

Pay-per-call domain and email security check: SPF, DKIM, DMARC, TLS, DNSSEC, BIMI, with exact fixes.

MCP endpoint : https://domainref.dev/mcp · website · measurements and details

AstraVerify Domain Trust Check Reliable (measured) · 100% over 52 checks Fails real tasks · 0/49

Email security and AI discoverability scores for any domain, with the exact record or tag to fix.

MCP endpoint : https://astraverify.com/mcp · website · measurements and details

Mail Security Tools Reliable (measured) · 100% over 24 checks Does the job (tested) · 24/24

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

Email Auth Checker Reliable (measured) · 100% over 13 checks Does the job (tested) · 13/13

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 Check Reliable (measured) · 100% over 50 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

Verifai — Email Verification & Domain Intelligence Reliable (measured) · 100% over 11 checks Does the job (tested) · 10/10

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

Domain Trust Check (DNS, Email Auth, TLS, Headers) Flaky · 67% over 3 checks

Check a domain's DNS, SPF/DMARC and TLS before trusting it. $0.003/call via x402.

MCP endpoint : https://domain-check-production-6228.up.railway.app/mcp · website · measurements and details

Domain Security Not measured yet

Audit a domain's email and web security: SPF, DKIM, DMARC, MTA-STS, DNSSEC, TLS, WHOIS. No API keys.

Package npm : domain-security-mcp-server · website · measurements and details

InboxGuards Email Check Reliable (measured) · 100% over 32 checks Does the job (tested) · 31/31

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

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

Domain Mail Check Flaky · 96% over 22 checks Partly does the job · 7/8

Check a domain's email DNS, whether Gmail and Outlook accept its mail, and its registration.

MCP endpoint : https://mailcheck.openkrill.app/mcp · website · measurements and details

Domain Health Reliable (measured) · 100% over 35 checks Does the job (tested) · 35/35

Domain checks: SPF, DKIM, DMARC, BIMI, MTA-STS, SSL/TLS and HTTP security headers.

MCP endpoint : https://mcp.modernmustardseed.com/domain-health · website · measurements and details

Domain Intelligence Check Private (key required)

Domain enrichment: email provider, DMARC/SPF/DKIM, WHOIS age, SSL, hosting and CDN per domain.

MCP endpoint : https://mcp.apify.com/?tools=brenton8907/domain-intel-check · website · measurements and details

mcp-domain-auditor Reliable (measured) · 100% over 50 checks Fails real tasks · 0/50

DNS resolution, HTTP security headers, and SPF/DMARC email hygiene audits.

MCP endpoint : https://mcp-domain-auditor.stubby76.workers.dev/mcp · website · measurements and details

OrionCMD Checks Reliable (measured) · 100% over 40 checks Fails real tasks · 0/40

Domain threat checks, a 30-day domain watch, TLS/DNS/email-auth checks and a $2 site audit (x402).

MCP endpoint : https://api.orioncmd.com/mcp · website · measurements and details

Front Sentinel Being measured · 100% over 2 checks Real task being tested · 2/2

Read-only security checks for dApp domains: registry lock, DNSSEC, CAA, SRI, SEAL DNS controls

MCP endpoint : https://frontsentinel.com/mcp · website · measurements and details

Domain Lab Private (key required)

Track domain expiry, DNS, SSL and email security across registrars, and explain what changed.

MCP endpoint : https://mcp.domainlab.app/mcp · website · measurements and details

Email Address Check (syntax, MX, disposable, SPF/DMARC) Flaky · 67% over 3 checks

Check email addresses for syntax, MX and disposable domains. $0.0015/call via x402.

MCP endpoint : https://email-verify-production-c20c.up.railway.app/mcp · website · measurements and details

Bulk Email Verifier & MX Check Private (key required)

Email list check: syntax, domain, MX records, disposable/role addresses (DNS level). Winters Works.

MCP endpoint : https://mcp.apify.com?actors=wintersworks/bulk-email-verifier-dns · website · measurements and details

DomainCheck Reliable (measured) · 100% over 5 checks Does the job (tested) · 5/5

Domain and email trust checks for agents: DNS, SPF/DMARC, disposable email. By Crypto Money Maker

MCP endpoint : https://api.youraitools.co/domaincheck/mcp · 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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