OpenOSINT alternatives
24 email MCP servers from other publishers do the same job as OpenOSINT. The closest match comes first, then the best rated, with at most two per publisher.
50 developer utility APIs as tools: SSL, DNS, WHOIS, email checks, HTML to PDF, sitemaps and more.
No reviews yetlocal · npm402/wkFreeMCP server for NetIntel — DNS, SSL, WHOIS, email security, OSINT via x402 micropayments
No reviews yetlocal · npm228/wkFreeTen x402-paid tools for JSON, YAML, cron, diff, text, DNS, WHOIS, GitHub, crypto, and email.
No reviews yetgateway-readyFree29 free tools: DNS, email auth (SPF, DKIM, DMARC), TLS, headers, WHOIS, dev utils.
No reviews yetgateway-readyFree20 domain recon tools for AI agents: DNS, SSL, headers, email, subdomains, lookalikes, changes.
No reviews yetgateway-ready1559/wkFreeDNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
No reviews yetgateway-ready9FreeEmail for agents: domains, aliases, IMAP mailboxes, DNS, sending and webhooks via one API key.
No reviews yetgateway-readyFreeXposedOrNot MCP — free breach-exposure lookup by email.
No reviews yetgateway-readyFreeAudit a domain's email and web security: SPF, DKIM, DMARC, MTA-STS, DNSSEC, TLS, WHOIS. No API keys.
No reviews yetlocal · npmFreeFree anonymous website, DNS, email and TLS checks, plus monitor read and opt-in write access.
No reviews yetgateway-readyFreeCheck breach exposure for your verified email and check locally computed password hash prefixes.
No reviews yetgateway-readyFreeInspect XLSX/XLSM workbooks, validate email, generate SVG QR codes, and look up domain DNS and TLS.
No reviews yetgateway-readyFreeAgent-Native Superhuman - email client with keyboard shortcuts and AI triage
No reviews yetgateway-ready4.9kFreeProgrammable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
No reviews yetgateway-ready261234/wkFreeAI email inbox and sending tools with attachments, search, live events, and webhooks.
No reviews yetgateway-ready65327/wkFreeLet ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.
No reviews yetgateway-ready552.0k/wkFreeMicrosoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.
No reviews yetlocal · npm37328/wkFreeNo-KYC offshore hosting an AI agent runs end-to-end: no-email signup, crypto, VPS, deploy, Tor.
No reviews yetgateway-ready3.2k/wkFreeRead, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.
No reviews yetlocal · npm6394/wkFreeEmail infrastructure for AI agents: send, read replies as threads, campaigns, per-key limits.
No reviews yetgateway-ready628/wkFreeEmail verification for AI agents: send, hold or kill with the reason. Signup and credits by API.
No reviews yetlocal · npm2427/wkFreeSend email, push, Slack, Discord, Telegram and webhook notifications and manage templates with Ray.
No reviews yetgateway-ready149/wkFreeBuy .vn/intl domains in VND, deploy apps, Postgres, email, VietQR pay — Vietnam MCP for AI agents
No reviews yetlocal · npm1.3k/wkFreeZero-config disposable email inboxes for AI agents: create, read mail, await verify codes.
No reviews yetlocal · npm4246/wkFree
