{"uid":"cap_LwNSqAqKKy0Kk8-5yX6Lo","slug":"mcp-compiler-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-b017fde1","name":"B2A Email Deliverability, MX, SPF & DMARC Verifier","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://mcp-compiler.agentdiet.dev/v1/email)","url":"https://mcp-compiler.agentdiet.dev/v1/email?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Uz4eWtS2H66MoSeGB4ZBT","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-compiler.agentdiet.dev","brandSlug":"mcp-compiler-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-compiler.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX/SPF/DMARC record checks.","exampleAgentPrompt":"Can you check whether john.doe@acmecorp.com is a real, deliverable email address — verify its syntax, confirm there are live MX records for acmecorp.com, and flag it if it's a disposable or role-based account?","exampleUseCases":[{"title":"Pre-send email list scrubbing","prompt":"Before I send this outreach campaign, check if sarah.jones@tempmail.io is a valid, deliverable address — flag it if it's a burner or disposable provider so I don't waste a send on it."},{"title":"Lead form submission validation","prompt":"A new user just signed up with the email noreply@bigcorp.com — can you verify whether that's a real deliverable address or a role account I should reject?"},{"title":"B2B prospect email verification","prompt":"I have a prospect's email cto@startupxyz.io — can you verify it's syntactically correct, that the domain has live MX records, and whether SPF and DMARC are set up properly?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain has live MX records (deliverability), SPF record presence and content, DMARC record presence and policy, whether the provider is a known disposable/burner service, and whether the address is a role account (e.g. info@, admin@, noreply@).","failureModes":["Invalid or missing email parameter returns a validation error","Domain with no MX records returns non-deliverable status","DNS lookup timeout for slow or unresponsive nameservers","Payment required (HTTP 402) if x402 USDC payment header is missing or insufficient","Malformed email string may return syntax error rather than DNS lookup","Rate limiting or quota exhaustion if many calls are made rapidly"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email health check combining syntax validation, DNS MX/SPF/DMARC lookups, disposable provider detection, and role account flagging in a single call — particularly useful for lead enrichment pipelines, signup form validation, and pre-campaign list scrubbing where bounce prevention and data quality matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:19:45.855Z","isFirstParty":false,"canonicalSlug":"mcp-compiler-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-b017fde1"}