MCP Server Directory

MailVakt com.mailvakt/mailvakt

Use when email lands in spam: audits SPF, DKIM, DMARC, MX and returns the DNS records to fix it.

Gemini Notebook (NotebookLM) MCP Server by useapi.net (third-party) net.useapi/gemini-notebook

Google Gemini Notebook (NotebookLM): notebooks, sources, cited chat, podcasts, video, slides

Notifyre MCP by usefulapi io.usefulapi/notifyre

Read Notifyre SMS, replies, faxes, numbers, prices and contacts; send SMS to up to 10 numbers.

Mailvett: Email Validation API for AI Agents io.github.CyberMax-tools/email-validate

Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict.

Sliq com.getsliq/sliq

Run LinkedIn and email outbound from Claude, ChatGPT, or any AI agent.

SuperMailOS com.supermailos/mail

Read, search, organize, draft and send business email from your SuperMailOS mailboxes.

agmail dev.shveik/agmail

Email inboxes for agents by the hour: wait for a mail, get the code or link. Pay per call.

DnsGuard dev.workers.mike-tusa.dnsguard/dnsguard

Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.

DomainDNA: Tech Stack Detector, WHOIS & Domain Age API io.github.shawmena-dotcom/domain-intel

DomainDNA: a domain's tech stack, email security (MX/SPF/DMARC), TLS expiry and age in one record.

Formbricks MCP by usefulapi io.usefulapi/formbricks

Read survey responses and manage contacts, webhooks, teams and organisation users.

AskAiRank com.askairank/mcp

How ChatGPT, Claude, Perplexity and Gemini mention your brand: visibility, mentions, competitors.

FinCraftly com.fincraftly/workforce

AI employees that run your CRM, invoicing, email, documents, dashboards and agents

Emailable MCP by usefulapi io.usefulapi/emailable

Verify email addresses with Emailable one by one or in batches, and read credits and batch results.

Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun io.github.CyberMax-tools/send-email

Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark

MobileValidate com.mobilevalidate/mcp

Check phone numbers (WhatsApp, Telegram, carrier, spam reputation) and e-mail addresses.

DevReply com.devreply/devreply

In-app support chat for mobile and web apps: read, triage and answer users, set up apps.

Revnu com.revnu/revnu

GTM on autopilot. Approve sends, hand over jobs and read results from your AI chat.

Snov io.github.pipeworx-io/snov

Snov.io MCP — B2B email finder + contact enrichment + domain search (snov.io)

Holehe Email OSINT - Find Registered Accounts io.github.AnshumanAtrey/holehe-email-osint

Email OSINT Tool - Find Registered Accounts on 120+ Sites

answerline dev.answerline/answerline

What ChatGPT, Gemini and Google answer — structured JSON with cited sources.

Deeplead io.deeplead/deeplead

Find local businesses, companies and decision makers with verified emails for B2B outreach.

SendHQ cc.sendhq/sendhq

Send and receive email from your verified domains; manage domains, templates and deliverability.

CortexPlus io.cortexplus/cortexplus

Personal memory layer: files, notes, messages, tasks and email, semantically indexed.

69.ai ai.69ai/69ai

Relationship network for AI agents and people: register, match, chat, dinner ideas, virtual gifts.