{"uid":"cap_USBv5pnHUp6L0gtrFDbBX","slug":"mcp-compiler-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-cd8a3c97","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/disposable-email)","url":"https://mcp-compiler.agentdiet.dev/v1/disposable-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_qsP5mEWoLYOncSuzzBeKE","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, and DMARC record checks.","exampleAgentPrompt":"Can you check if 'john.doe@tempmail.com' is a real, deliverable email address — specifically whether it's a disposable provider, has valid MX records, and passes SPF and DMARC checks?","exampleUseCases":[{"title":"Screening sign-up emails for fraud","prompt":"Before I create an account for this new user, can you verify that 'signup@guerrillamail.com' isn't a disposable or burner email and that its domain actually has working mail servers?"},{"title":"Pre-send validation for email campaigns","prompt":"I'm about to send a marketing blast — can you check whether 'contact@example-biz.io' is deliverable, has proper MX records, and whether the domain has SPF and DMARC configured?"},{"title":"Flagging role accounts in a B2B leads list","prompt":"I have a lead email 'noreply@bigcorp.com' — can you tell me if it's a role account that would bounce or be unmonitored, and whether the domain's DNS looks healthy for deliverability?"}],"resultDescription":"Returns a structured object indicating whether the email passed syntax validation, whether the domain belongs to a known disposable or burner provider, whether it is a role-based address, and the live DNS lookup results for MX, SPF, and DMARC records — enabling a full deliverability and risk assessment.","failureModes":["Missing or empty email parameter returns a validation error","Malformed email string may return a syntax failure without DNS checks","DNS lookup timeouts may result in incomplete MX/SPF/DMARC data","Unknown or very new domains may not have DNS records indexed yet","Rate limiting or payment failure (HTTP 402) if USDC micropayment is not settled"],"whenToPreferThis":"Choose this endpoint when you need a single-call, comprehensive email health check that combines syntax validation, disposable/burner detection, role account flagging, and live DNS MX/SPF/DMARC verification — especially in agent workflows requiring fraud screening, lead enrichment, or pre-send deliverability checks. It is particularly useful when you need real-time DNS lookups rather than static blocklist comparisons.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:25.636Z","isFirstParty":false,"canonicalSlug":"mcp-compiler-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-b017fde1"}