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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
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
x402 DNS Email Auth Checker Reliable (measured) · 100% over 7 checks

Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402.

MCP endpoint : https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp · website · measurements and details
SignupBouncer Reliable (measured) · 100% over 8 checks Does the job (tested) · 8/8

An API that checks new signups for disposable emails and repeat accounts.

MCP endpoint : https://signupbouncer.com/mcp · website · measurements and details
verify-the-email-instantly Reliable (measured) · 100% over 42 checks

Verify the email instantly: Identify the spam email while authenticating your users.

MCP endpoint : https://mcp.jojapi.com/verify-the-email-instantly · website · measurements and details
Email List Validation Email Verification Being measured · 50% over 2 checks

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

MCP endpoint : https://app.emaillistvalidation.com/mcp · website · measurements and details
Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL Reliable (measured) · 100% over 26 checks Fails real tasks · 0/26

$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.

MCP endpoint : https://sdn-screen-x402.sdnscreen.workers.dev/mcp · website · measurements and details
Email Verification MCP Being measured · 0% over 1 checks

Verify emails — deliverability, disposable/role/free detection, MX validity, domain age.

MCP endpoint : https://email-verify-mcp-production.up.railway.app/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
Mail7 Email Validation Not measured yet

Verify email addresses, clean lists, and audit a domain SPF, DKIM, DMARC and MX setup.

Package npm : mail7-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
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
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
smbCloud Mail & Auth Not measured yet

Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.

Package npm : @smbcloud/cli · website · measurements and details
Auth Posture — Email Deliverability & Spoofability Audit Reliable (measured) · 100% over 43 checks

One-call domain audit: MX receiving, SPF/DMARC/DKIM spoofing protection, disposable-address risk.

MCP endpoint : https://auth-posture.rowb.app/mcp · website · measurements and details
SSL Checker API Being measured · 0% over 1 checks

SSL certificate check — validity, expiry, issuer, chain, grade. x402 micropayment.

MCP endpoint : https://ssl-checker.api.klymax402.com/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
Disposable Email Checker Flaky · 88% over 8 checks

Checks if an email/domain is disposable (temp-mail). x402-metered per call.

MCP endpoint : https://disposable-email-mcp.ara-v1.workers.dev/mcp · measurements and details
Breach402 — Email Data-Breach Check Flaky · 75% over 4 checks Does the job (tested) · 3/3

Data-breach & credential-exposure check for one owner-approved email. $1 USDC on Solana (x402).

MCP endpoint : https://breach402.bmcxiv.com/mcp · measurements and details
mcp-domain-deliverability-checker Not measured yet

Audit a domain email deliverability via Apify: SPF, DKIM, DMARC, MX, blacklist, catch-all, age.

Package npm : @mambalabsdev/mcp-domain-deliverability-checker · website · measurements and details
AgentDiet B2A Email Deliverability, MX, SPF & DMARC Verifier Being measured · 100% over 1 checks Real task being tested · 1/1

Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMA.

MCP endpoint : https://email-verify.agentdiet.dev/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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