MCP server directory
59888 public MCP servers from the official MCP Registry (26001 from verified domains, 33887 community). Search, filter, copy a setup snippet. Nothing here is installed by cosmic-mcp.
Community listing. Not installed or verified by cosmic-mcp. Check the source before you run anything.
Showing 241 to 270 of 680
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Kawaa email verification
com.kawaa/email-verification
Check whether an email address can receive mail, one address or a list, without sending to it.
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Keeploop
app.keeploop/keeploop
Mail, Calendar, Messages, Notes, Contacts, Slack on your Mac for AI. Remote needs Pro or free trial.
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KeyKeeper Email
world.keykeeper/email
Real email inboxes for AI agents: register, receive, read and send mail over MCP. Free to receive.
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Kicklace
com.kicklace/kicklace
Kicklace, lifecycle email for SaaS founders: look customers up, run reports, draft emails.
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Kijito
ai.kijito/kijito
Shared memory and mail for your AI agents. Verified with Claude Code; other MCP clients in testing.
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Kiprio MCP Server
com.kiprio/kiprio-mcp
23 API tools for Claude Code — email, DNS, SSL, NLP, scraping. Free tier included.
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Kooga
io.kooga/kooga
AI marketing for businesses: SEO content, AI visibility, email campaigns and analytics.
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LNX QR codes
net.lnx/qr
Styled, print-ready QR codes for links, text, email or phone, with frames and custom colors.
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Lanetti
fi.lanetti/oma
Run your Lanetti hosting from your AI agent: domains, DNS, sites, email, apps, backups and billing.
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LayerCall
com.layercall/trust-api
Score an IP, email, phone, domain or device for fraud in one call, with the signals behind it.
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Lead Enrichment & AI Cold Email Personalizer
com.ranovam/ai-lead-enricher-personalizer
Lead enrichment plus AI-written cold emails in one run.
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LeadBoxer: company and contact enrichment, IP to company
com.leadboxer.mcp/leadboxer
Company and contact enrichment: firmographics from a domain or IP, profiles from a work email.
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Leadpoet
com.leadpoet/leadpoet
Find B2B leads and buying signals, run cold email and LinkedIn outreach, manage a CRM. Free plan.
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Letter IRL
com.letterirl/letter-irl
Write, preview and mail real letters and postcards to US addresses from your AI app.
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Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun
dev.workers.cybermax-tools.cybermax/send-email
Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark
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Lettio MCP
eu.lettio/mcp
Private, EU-hosted email for AI agents over JMAP: read, search, reply, draft, organize, send.
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Lever MCP Server and API by Cotlet
dev.cotlet/lever
Lever MCP server: list opportunities, move candidate to a stage, archive with a reason and email.
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LifeStep Workbook, Email, QR and DNS Tools
io.lifestep/dns
Inspect XLSX/XLSM workbooks, validate email, generate SVG QR codes, and look up domain DNS and TLS.
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Likelyread
com.likelyread/likelyread
Email open tracking for agents: add a pixel, register the send, read back who opened it
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Limitguard Lead Verification
ai.limitguard.api/limitguard
Lead validation over MCP: KVK/KBO register, EU VAT, sanctions and email checks with sources.
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Linkedcamp
com.linkedcamp/mcp
LinkedIn and email outreach: campaigns, unified inbox, leads, analytics and reports.
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Linklamp: Switch swap or repatch visit in Dearborn, MI, under your remote engineer
com.forevenza.services/linklamp
Dearborn MI switch swap and repatch visits for MSPs; remote signoff; proposal by email
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LinkupAPI
com.linkupapi/linkupapi
Run LinkedIn, email, WhatsApp and iMessage outreach from any MCP client.
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ListCheckup
com.listcheckup/mcp
Email verification for AI agents: check addresses and lists, priced before credits are spent.
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Lob MCP by usefulapi
io.usefulapi/lob
Verify US & international addresses and send physical mail (postcards, letters, checks) via Lob.
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Lockally Email
com.lockally/email
Stateful email for AI agents — read inboxes, reply in-thread, draft with approval.
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LookupDock
com.lookupdock/checks
Phone, email and IP signals for signup checks, with shared credits and explicit uncertainty.
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LotsBusiness
business.lots/lotsbusiness
Get your business online and found: website, Google Business Profile, business email and listings
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LotsMail
to.lotsmail/lotsmail
Business email on your own domain that your AI agent can read, search and draft in.
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M365 Graph MCP
work.mcps/m365-graph
Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.
Source: the official MCP Registry (registry.modelcontextprotocol.io), refreshed daily, plus public GitHub data. "Verified domain" means the publisher proved the namespace's domain to the registry; it is not a review. Machine-readable: /v1/directory/servers.