#MCP serverStars · npm/mo

1. 481SMTPni-c/smtp-mcpSend, reply to and forward mail over SMTP, restricted to a recipient allowlist, with each message approved by a person before sending.LocalAccount needed0
2. 482ThunderPhoneBuild, test and run AI phone agents: numbers, inbound and outbound calls, campaigns and transcripts.Local + RemoteAccount needed
3. 483Vaemailvaemail/vaemail-mcpSend transactional email, authenticate sending domains, track delivery and diagnose deliverability, with scoped API keys and dry-run mode.LocalAccount needed0392
4. 484ActivitySmithAI agents and scripts reporting back to your iPhone with Push Notifications and Live Activities.RemoteAccount needed
5. 485Agent TavernPublic Q&A board where AI agents on different runtimes ask and answer each other; posting needs a free key.RemoteFree
6. 486AICQMessaging network for AI agents: talk to other people's agents and groups; free, calls after aicq_join need a key.RemoteFree
7. 487AithoTurn a slide deck into a rehearsable talk with a voice-following script and slides that advance as you speak.RemoteAccount needed
8. 488AtendioRead WhatsApp conversations and analytics, and manage the rules of a business's AI WhatsApp assistant.RemoteAccount needed
9. 489Cookie HiveAgent-only social feed and task board: read the feed, post, vote, and trade jobs for internal credits.RemotePaid service
10. 490ErzyCallMake and take real phone calls.RemoteAccount needed
11. 491Fluxmail CloudRead, search, draft, send, and organize email across Gmail, Outlook, and IMAP mailboxes.RemoteAccount needed
12. 492formcarrySet up form handling for your site (email alerts, auto replies, webhooks) and query submissions.RemoteAccount needed
13. 493Giggal.aigiggal-ai/giggal-mcpEmail verification: mailbox existence checks, including catch-all, accept-all and SEG-protected addresses (Proofpoint, Mimecast, Barracuda), single or bulk.RemoteAccount needed0
14. 494MailboxMailbox MCPRead, search, file, draft and send email in your own Gmail, Outlook, Microsoft 365, iCloud or IMAP inbox.RemoteAccount needed
15. 495MailcheerSend transactional email, manage subscribers and schedule campaigns; tool calls use a Mailcheer API key.RemoteFree
16. 496PaperAgentMail one-off USPS letters from chat: validates the US address, shows a PDF preview and total, and waits for approval.RemoteFree
17. 497PiloxaSend a letter as printed USPS Certified Mail with tracking, from $13.18.RemoteFree
18. 498PoofboxDisposable receive-only inboxes for agents: create an address, wait for the email, get the code or verify link.RemoteAccount needed
19. 499PostalFormPrint and mail letters, PDFs and forms by USPS, including Certified Mail, paid by checkout link or MPP/x402.RemotePaid service
20. 500SendFaxFastSend real faxes (PDF/JPG/photo) from AI chat to the US, Canada, Australia, New Zealand and 39 more countries.RemoteFree
21. 501SendingEmail, WhatsApp and Telegram for agents: send, campaigns, automations, contacts, agent inboxes.RemoteAccount needed
22. 502SignatoroFetch the saved email signature people and their AI agents append to every email they send or draft.RemoteFree
23. 503SofortFaxSend real faxes (PDF/JPG/photo) from AI chat to Germany, Austria and 40+ countries; pay per fax or prepaid credits.RemotePaid service
24. 504SuguFAXSend real faxes (PDF/photo) from AI chat to Japan, paid per fax from ¥400 or with prepaid credits.RemotePaid service
25. 505The CommonsOpen discussion hub for AI agents: read anonymously, post with a free instant hub key, home of the Bot Game Arena.RemoteFree
26. 506volaiBuy Czech and Slovak numbers, place calls, send SMS and run a voice agent; auth is an API key.RemoteAccount needed
27. 5073DPACK.ING — 3D Bin PackingOnurGumus/3dpacking-mcp3D bin packing for freight in Claude & ChatGPT: cartons and pallets, the fit, a 3D plan in the chat.Local + RemoteAccount needed0
28. 508Abnormal SecurityWYRE-AI/abnormal-mcpMCP server for Abnormal Security — AI-powered email threat detection, cases, and remediation.LocalAccount needed0
29. 509Abnormal Securitywyre-technology/abnormal-mcpMCP server for Abnormal Security — AI-powered email threat detection, cases, and remediation.LocalAccount needed
30. 510ABOVO.coseanfenlon/abovo-mcp-serverPublish content to the web by emailing POST@abovo.co. No API key, no signup. SMTP is the API.LocalFree0
31. 511ActAsdev.actas/accountsPersistent identity, email, saved accounts and scoped credentials for AI agents.Local + RemoteFree429
32. 512Agentaeoagentaeo/agentaeo-mcp-serverAEO audit tool — measure brand visibility across ChatGPT, Perplexity, Claude, and Google AI.LocalFree0
33. 513AgentiSendfortuneflick/agentisend-claude-pluginEmail API for apps and AI agents: budgets per key, a kill switch, refusals that name the fix.Local + RemoteAccount needed0
34. 514AIsendsoon/aiSend email, look up public IP information, and convert files to Markdown through SendSoon.LocalFree
35. 515AI Answer Visibility Trackermambalabsdev/mcp-ai-answer-visibility-trackerWhether AI Overviews, ChatGPT, Claude, Perplexity, and Gemini name and cite a brand.LocalAccount needed0
36. 516AirysChatAirysChat/mcpOperate AirysChat — conversations, CRM, AI Agents, Meta Business Agent, and WhatsApp campaigns.Local + RemoteAccount needed0
37. 517Alphornalphorn-dev/mcpLet AI agents notify you on Slack, Telegram, email, SMS, or push via an Alphorn webhook.LocalFree0
38. 518Apixies Developer API Suitebicibg/apixies-mcp-server50 developer utility APIs as tools: SSL, DNS, WHOIS, email checks, HTML to PDF, sitemaps and more.LocalAccount needed0
39. 519Avananwyre-technology/avanan-mcpMCP server for Check Point Harmony Email & Collaboration (Avanan) email security.LocalAccount needed
40. 520b2bsearchb2bsearch/mcpB2B contacts and account signals on Apify: new hires, email format, lookalikes, decision makers.LocalAccount needed
41. 521b2bsearchkeyvwin/mcpB2B contacts and account signals on Apify: new hires, email format, lookalikes, decision makers.LocalAccount needed0
42. 522bodylogabhaymettu/bodylogAgent-first workout and food log: sets and meals from chat, USDA and Open Food Facts macros, cards.LocalFree0
43. 523BounceLens Email Checkbouncelens/mcp-email-checkCheck emails for typos, disposable domains and dead domains. Runs locally, no API key.LocalFree0
44. 524Bounceprotectbounceprotect/bounceprotect-mcpEmail validation and SMTP verification for Claude Desktop, Cursor, and Claude Code.LocalAccount needed0
45. 525BuildagentsaurimasAPG/buildagentsDesign AI agent teams for a business problem and generate ready-to-paste Claude Code prompts.Local + RemoteFree
46. 526Cargoio.github.getcargohq/cargoFind and verify work emails, enrich companies and contacts, score leads and sync to your CRM.Local + RemoteFree
47. 527Chamadechamade-io/mcp-serverVoice and chat for AI agents — Discord, Teams, Meet, Slack, Zoom, Telegram, WhatsApp, NC Talk, SIPLocal + RemoteFree0
48. 528Chaprolacletcher/chaprola-mcpServerless API backend: query, JOIN, pivot, batch ops, email, FHIR, programs via HTTP.LocalAccount needed0