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Paid email, DNS, mail-security and RDAP intelligence for agents over x402.
MCP endpoint :https://email-dns-preflight-x402.copper-crate.workers.dev/mcp · website · measurements and detailsEmail preflight x402: $0.001 USDC on Base. MCP returns unpaid 402 only; no signing or payment.
MCP endpoint :https://email-preflight-mcp.onrender.com/mcp · measurements and detailsInspect and validate an x402 endpoint before an autonomous agent spends USDC.
MCP endpoint :https://x402.chikocorp.com/mcp · website · measurements and detailsDeterministic pre-execution verification tools for AI agents with x402 USDC pay-per-call on Base
MCP endpoint :https://preflight-checks--jd-robles.run.tools · website · measurements and detailsDNS 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 detailsInspect XLSX/XLSM workbooks, validate email, generate SVG QR codes, and look up domain DNS and TLS.
MCP endpoint :https://mcp.lifestep.io/mcp · measurements and detailsDNS 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 detailsCheck SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.
MCP endpoint :https://themailx.com/mcp · website · measurements and detailsSafe Solana swaps for AI agents with risk checks, unsigned transactions, x402, and 3-bp fees.
MCP endpoint :https://preflight-agent.netlify.app/mcp · website · measurements and detailsValidates domain email MX records and DNS status via Cloudflare DNS-over-HTTPS.
MCP endpoint :https://mcp-mx-validator-worker.stubby76.workers.dev/mcp · website · measurements and detailsProfessional DNS diagnostics: 14 tools for DNS, DNSSEC, email security, SSL, and propagation.
MCP endpoint :https://mcp.softricks.net/sse · website · measurements and detailsDNS record lookup — A, AAAA, MX, TXT, CNAME, NS via Cloudflare. x402 micropayment.
MCP endpoint :https://dns-lookup.api.klymax402.com/mcp · website · measurements and detailsPreflight x402 payment compatibility with structured risk evidence and remediation guidance.
MCP endpoint :https://intelligence.inversolabs.us/mcp · measurements and detailsBusiness email on your own domain: mailboxes, send and read mail, aliases, DNS setup, and campaigns.
MCP endpoint :https://faivelo.com/api/mcp · website · measurements and detailsReal-time DNS security analysis — DNSSEC, email auth, and RDAP. Built for SOC investigations.
Package oci :docker.io/mclose/dns-mcp:1.3.4 · website · measurements and detailsHumanMirror x402 MCP: paid Safe Preflight, execution evidence and machine microtools on Base/USDC.
MCP endpoint :https://humanmirror.fr/api/x402/mcp/ · website · measurements and detailsDomain intel for AI agents: RDAP registration, DNS, email deliverability, tech stack.
MCP endpoint :https://domain.datakoot.com/mcp · website · measurements and detailsSix paid URL-intelligence tools for autonomous agents and agent swarms.
MCP endpoint :https://preflight.lorensaisolutions.com/mcp · website · measurements and detailsBudgeted agent preflight: allow|block|reuse|defer|advise. Never executes destination tools. Free MCP
MCP endpoint :https://api.agent-preflight.com/mcp · website · measurements and detailsRead-only machine payment preflight using dated MEO evidence, with explicit unknowns.
MCP endpoint :https://api.machineeconomyobservatory.com/mcp · website · measurements and detailsAI 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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