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 691 to 720 of 1204
-
Ray notifications
io.github.gege-mn/ray-mcp
Send email, push, Slack, Discord, Telegram and webhook notifications and manage templates with Ray.
-
Reachkit
ai.reachkit/reachkit
Find B2B leads with verified emails, write sequences, and launch and track cold email campaigns.
-
Ready APIs
com.readyapis/api
135 MCP tools: geo, email, phone, company, DNS, FX, equities, weather, tax, econ, intel — one key.
-
RealMarket Site Check
com.realmarketlabs.tools/site-check
Passive checks of a public website: email authentication (SPF, DKIM, DMARC) and basic security.
-
Recapwren Client Reports
dev.workers.cybermax-tools.cybermax/recapwren
Weekly client reports: change, % change, targets, status, printable page and email text. Free.
-
RecruitMCP
com.recruitmcp/recruitmcp
Search people and companies, enrich profiles, and find email and phone over MCP.
-
Refine Job Search
co.getrefine/refine
Job search management: applications, interviews, offers, recruiter email, and company openings.
-
RelayLink
ai.relaylink/relaylink
Your AI talks to theirs: send approved briefings to another person's assistant or plain email.
-
Relentless Identity
com.relentlessidentity/relentless-identity
Corporate identity finder and email verification. Map real addresses and users to real people.
-
Reoon
io.github.pipeworx-io/reoon
Reoon MCP — wraps the Reoon Email Verifier API (reoon.com)
-
Reoon Email Verifier MCP by usefulapi
io.usefulapi/reoon-email-verifier
Read Reoon credits, quick-check emails, and run confirmed bulk verification jobs.
-
ReplyLayer
ai.replylayer/replylayer
Safe email for AI agents: a mailbox with inbound scanning, outbound checks and human review.
-
Replyz
io.replyz/mcp
Your AI agent's own inbox: sign-up codes and links. It can only email its own human. Key needed.
-
Resend Email MCP
io.github.helbertparanhos/resend-email-mcp
Complete Resend email MCP: full API coverage + debug layer (deliverability, DNS, bounces).
-
Resent
io.github.resentmail/resent
Transactional email for AI agents: templates, domain verify, and sends.
-
Rimbra
app.rimbra/rimbra
Deploy apps, run databases and domains, read logs, and send email and WhatsApp messages on Rimbra.
-
Robin
dev.withrobin/robin
Let your agent handle your email, on your terms. Reads what you allow, replies with your OK.
-
Rowsend
com.rowsend/rowsend
Draft and test marketing email for contacts in your own database, from a local desktop app.
-
RuSender
io.github.Rusender/rusender-mcp
Manage email campaigns, contacts and deliverability analytics in RuSender from an AI assistant.
-
RunLite
in.runlite/runlite
Hosts AI-built websites with working contact forms. Enquiries arrive by email or WhatsApp.
-
RunStack Checks
pro.runstack/checks
External checks of TLS, HTTP, email domain, DNS, ports, blocklists and domain expiry
-
SMS and WhatsApp Messaging
dev.hatchloop/sms-whatsapp-messaging
Send WhatsApp, SMS, email or voice to a business with the compliance gate enforced.
-
SMTP
io.github.ni-c/smtp-mcp
MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation
-
SMTPfast
st.smtpfa/smtpfast
Send and receive email, and manage templates, inboxes, contacts and broadcasts.
-
SMTPing Email Verification
io.github.smtping/smtping-mcp
Verify email addresses, clean lists and check spamtrap, disposable, spambot and complainer lists.
-
Safe or Scam
dev.workers.safe-or-scam.scam-check/safe-or-scam
Crypto scam checks (tokens, sites, wallets), chain reads, web page to Markdown, email checks.
-
Salamailer
fi.salamailer/salamailer
Send end-to-end encrypted email and files. Encryption happens on your machine, not our server.
-
SalesBlink Cold Email
io.github.open-salesblink/cold-email-salesblink
Cold email sequences, leads, templates, senders, inbox, and analytics via the SalesBlink API.
-
Samva MCP
dev.samva/mcp
Authenticated Samva email tools, including public documentation and template discovery.
-
Sarbacane MCP by usefulapi
io.usefulapi/sarbacane
Read Sarbacane campaigns, stats, lists and blacklists; manage contacts and draft email campaigns.
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.