{"language":"en","name":"Email Checker MCP","version":"1.0.0","description":"Model Context Protocol (MCP) server for email and domain verification. Integrate with Cursor, Claude Desktop, and other MCP-compatible AI agents.","documentationUrl":"https://verify-email.app/api-documentation","serverUrl":"https://api.verify-email.app/mcp","docsEndpoint":"https://api.verify-email.app/v1/mcp/docs","authentication":{"type":"header","headerName":"X-API-Key","description":"Your API key from the verify-email.app dashboard. Required for all MCP tool calls.","getApiKeyUrl":"https://verify-email.app/dashboard"},"tools":[{"name":"verify_email","description":"Full email verification including syntax, MX, SMTP, disposable, privacy, and deliverability checks. Returns valid, block, disposable, privacy, deliverable, domain, and remaining_credits.","inputSchema":{"type":"object","properties":{"email":{"type":"string","description":"Email address to verify (e.g. user@example.com)"}},"required":["email"]},"creditsPerCall":1,"mapsToApi":"GET /v1/verify?input={email}"},{"name":"verify_domain","description":"Full domain verification including MX records, disposable, privacy, and catch-all detection. Returns valid, block, disposable, privacy, domain, catch_all, mx_found, and remaining_credits.","inputSchema":{"type":"object","properties":{"domain":{"type":"string","description":"Domain to verify (e.g. example.com)"}},"required":["domain"]},"creditsPerCall":1,"mapsToApi":"GET /v1/verify?input={domain}"},{"name":"check_deliverability","description":"Fast deliverability-only check using MX and SMTP verification without external API calls. Returns valid, deliverable, mx_found, catch_all, email_address, and remaining_credits.","inputSchema":{"type":"object","properties":{"email":{"type":"string","description":"Email address to check deliverability"}},"required":["email"]},"creditsPerCall":1,"mapsToApi":"GET /v1/verify/deliverable?input={email}"},{"name":"verify_batch","description":"Batch verification for up to 100 emails or domains in a single request. Returns results array and remaining_credits.","inputSchema":{"type":"object","properties":{"inputs":{"type":"array","items":{"type":"string"},"description":"Array of email addresses or domains (max 100)"}},"required":["inputs"]},"creditsPerCall":"1 per item","mapsToApi":"POST /v1/verify/batch with body { inputs: string[] }"},{"name":"validate_email_syntax","description":"Quick local syntax validation against RFC 5322. No network calls; does not consume credits.","inputSchema":{"type":"object","properties":{"email":{"type":"string","description":"Email address to validate syntactically"}},"required":["email"]},"creditsPerCall":0,"mapsToApi":"Local validation only"}],"responseFields":{"valid":"Email/domain passes basic validation (format, deliverability). Do not use for blacklist/whitelist decisions.","block":"Recommendation to block. Use this for blacklist/whitelist: blacklist → true; whitelist → false; not in whitelist (when enabled) → true.","disposable":"True if the address is temporary or disposable.","privacy":"True if the mail server uses an alias or forwarder.","applePrivateEmail":"True if the email is an Apple Private Relay address.","deliverable":"True if the mailbox exists and can receive mail.","domain":"The domain part of the email or the verified domain.","email_address":"The normalized email address (email verification only).","catch_all":"True if the domain accepts all addresses regardless of recipient.","mx_found":"True if the domain has valid MX records.","remaining_credits":"API credits remaining for your account.","error":"Error message when verification fails."},"errorResponses":{"400":"Bad request (e.g. invalid input format, empty batch).","401":"Invalid or missing X-API-Key.","429":"Rate limit or credit limit exceeded.","503":"Service temporarily unavailable."},"integration":{"cursor":{"configPath":".cursor/mcp.json","example":{"mcpServers":{"email-checker":{"url":"https://api.verify-email.app/mcp","headers":{"X-API-Key":"your-api-key"}}}}},"claudeDesktop":{"configPath":"Claude Desktop config (varies by OS)","example":{"mcpServers":{"email-checker":{"url":"https://api.verify-email.app/mcp","headers":{"X-API-Key":"your-api-key"}}}}}},"apiEndpoints":[{"method":"GET","path":"/v1/verify","description":"Single email or domain verification"},{"method":"POST","path":"/v1/verify/batch","description":"Batch verification (max 100)"},{"method":"GET","path":"/v1/verify/deliverable","description":"Deliverability-only check"}]}