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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
19,913measured
6,428proven reliable
MailVakt Flaky · 67% over 3 checks Real task being tested · 0/2

Use when email lands in spam: audits SPF, DKIM, DMARC, MX and returns the DNS records to fix it.

MCP endpoint : https://mcp.mailvakt.com/mcp · website · measurements and details
Email Server Being measured · 0% over 1 checks

Still WiP!

MCP endpoint : https://email-mcp-3b5a375e.staging.alpic.live · 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
Email Server Being measured · 0% over 1 checks

Still WiP

MCP endpoint : https://email-mcp-17ee097a.staging.alpic.live · measurements and details
Email Server Being measured · 0% over 1 checks

Still WiP

MCP endpoint : https://python-email-mcp-f5c8e0a7.staging.alpic.live · measurements and details
deliveriq-mcp Not measured yet

Email deliverability for AI agents. 12 tools: verify, DNSBL, DMARC, spam-trap, finder.

Package npm : @deliveriq/mcp · website · measurements and details
email-spam-tester Reliable (measured) · 100% over 3 checks

Test an email before it goes out: a disposable address, 41 checks with RFC citations, a fix plan.

MCP endpoint : https://email-spam-tester.com/mcp · website · measurements and details
Zernio Private (key required)

Schedule, publish, and analyze social media across 15+ platforms, plus inbox, ads, and analytics.

MCP endpoint : https://mcp.zernio.com/mcp · website · measurements and details
verify-the-email-instantly Reliable (measured) · 100% over 43 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
Email shape, address discarded Reliable (measured) · 100% over 5 checks

Email shape, address discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/email-shape/mcp · website · measurements and details
CallerKit Private (key required)

Caller ID and phone lookup: names, spam reports, fraud risk score, name/email search.

MCP endpoint : https://mcp.caller-kit.com/mcp · website · measurements and details
email-footer-law-lint Not measured yet

Fourteen checks on an HTML email footer: CAN-SPAM postal address and 10-business-day opt-out, CASL's

Package npm : @readystack/email-footer-law-lint · website · measurements and details
postbox-tools Reliable (measured) · 100% over 43 checks Does the job (tested) · 43/43

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
MailSenpai Private (key required)

MailSenpai: lists, campaigns, DNS & spam checks (74 tools, OAuth, EU). SMTP Senpai: SMTP & API.

MCP endpoint : https://mcp.mailsenpai.com/mcp · website · measurements and details
MobileValidate Private (key required)

Check phone numbers (WhatsApp, Telegram, carrier, spam reputation) and e-mail addresses.

MCP endpoint : https://mcp.mobilevalidate.com/mcp · website · measurements and details
Agent Observatory Digital Twin Flaky · 96% over 24 checks Does the job (tested) · 23/23

Public MCP digital twin with synthetic systems and an agent firewall. No customer data.

MCP endpoint : https://virus-alert.com/api/mcp · measurements and details
IMAP MCP Pro Not measured yet

Production IMAP & SMTP for Claude: multi-account email search, triage, send, and spam checks.

Package mcpb : https://github.com/Temple-of-Epiphany/imap-mcp-pro/releases/download/v2.34.0/imap-mcp-pro-2.34.0.mcpb · website · measurements and details
Email Preflight Being measured · 0% over 1 checks

x402 v2 payment requests; relays compatible clients' signed payments to the existing product API.

MCP endpoint : https://email-preflight-mcp.onrender.com/mcp · measurements and details
WalletHygiene Being measured · 0% over 1 checks

On-chain toxicity and spam transaction detector for Web3 wallets.

MCP endpoint : https://wallet-hygiene-mcp.vercel.app/api/mcp · 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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