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Every listed MCP server — filter by category, type, hosting, and auth.
Is a CVE exploited? CISA KEV, FIRST EPSS, CVSS and SSVC with a patch-first verdict. Free, no key.
Keyword ideas from Google/YouTube/Bing/Amazon autocomplete, with intent and trend verdict.
Turn any table into a real .xlsx or CSV file: numbers stay numbers, header frozen. Free, no storage.
Logolark: company domain to logo, square icon and brand colour. Free tier; paid keys.
Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict.
Pinloft: US address to lat/lon, county, FIPS; reverse geocoding. Free, no key.
Competitor price & stock monitor MCP: check any product page. Free 5 products; $9.99/mo.
Printwren: web page or HTML to PDF with real Chrome; pages, base64 or download link. Free, no key.
Weekly client reports: change, % change, targets, status, printable page and email text. Free.
Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark.
Website change monitor MCP: see what changed on any public page. Free 3 pages; $4.99/mo.
Hollerdex: a domain's public emails, phones and social profiles as one ranked contact card.
Capturewren: screenshot any URL (banners removed) plus status, title and clean page text for agents.
Ziplore: US ZIP to county, FIPS, time zone, Census demographics; radius and city ZIPs. Free, no key.
ProofRun: bounded HTTP acceptance checks for agent deployments. $0.01 USDC per pack.
Free SSL/TLS certificate checker: expiry, chain trust, hostname match, TLS version, A/B/C/F grade.
Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.
Scan a website's HTTP security headers (HSTS, CSP, framing, COOP/CORP, cookies). Score + fixes.
Parse a User-Agent: browser, OS, device, plus bot, search crawler, AI crawler and AI agent flags.
Check U.S. trucking carriers and freight brokers in FMCSA records: authority, insurance, notices.
Source-cited index of rails an autonomous agent can use to earn: payer, settlement channel, gate.
Pay-per-call ($0.01 USDC, Base, x402): OFAC SDN wallet screen, DNS lookup, SPF/DMARC/DKIM check.
Doormat Capital's paid x402 safety tools (token scan, HTTP security headers) for AI agents.
Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.