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 421 to 450 of 680
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Rate Ranger
io.rateranger/hotel-price-monitor
Watch a hotel's price after your user booked it, and email them when it drops enough to rebook.
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Reachkit
ai.reachkit/reachkit
Find B2B leads with verified emails, write sequences, and launch and track cold email campaigns.
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Ready APIs
com.readyapis/api
135 MCP tools: geo, email, phone, company, DNS, FX, equities, weather, tax, econ, intel — one key.
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RealMarket Site Check
com.realmarketlabs.tools/site-check
Passive checks of a public website: email authentication (SPF, DKIM, DMARC) and basic security.
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Recapwren Client Reports
dev.workers.cybermax-tools.cybermax/recapwren
Weekly client reports: change, % change, targets, status, printable page and email text. Free.
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RecruitMCP
com.recruitmcp/recruitmcp
Search people and companies, enrich profiles, and find email and phone over MCP.
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Refine Job Search
co.getrefine/refine
Job search management: applications, interviews, offers, recruiter email, and company openings.
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RelayLink
ai.relaylink/relaylink
Your AI talks to theirs: send approved briefings to another person's assistant or plain email.
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Relentless Identity
com.relentlessidentity/relentless-identity
Corporate identity finder and email verification. Map real addresses and users to real people.
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Reoon Email Verifier MCP by usefulapi
io.usefulapi/reoon-email-verifier
Read Reoon credits, quick-check emails, and run confirmed bulk verification jobs.
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ReplyLayer
ai.replylayer/replylayer
Safe email for AI agents: a mailbox with inbound scanning, outbound checks and human review.
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Replyz
io.replyz/mcp
Your AI agent's own inbox: sign-up codes and links. It can only email its own human. Key needed.
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Rimbra
app.rimbra/rimbra
Deploy apps, run databases and domains, read logs, and send email and WhatsApp messages on Rimbra.
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Robin
dev.withrobin/robin
Let your agent handle your email, on your terms. Reads what you allow, replies with your OK.
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Rowsend
com.rowsend/rowsend
Draft and test marketing email for contacts in your own database, from a local desktop app.
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RunLite
in.runlite/runlite
Hosts AI-built websites with working contact forms. Enquiries arrive by email or WhatsApp.
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RunStack Checks
pro.runstack/checks
External checks of TLS, HTTP, email domain, DNS, ports, blocklists and domain expiry
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SMS and WhatsApp Messaging
dev.hatchloop/sms-whatsapp-messaging
Send WhatsApp, SMS, email or voice to a business with the compliance gate enforced.
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SMTPfast
st.smtpfa/smtpfast
Send and receive email, and manage templates, inboxes, contacts and broadcasts.
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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.
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Salamailer
fi.salamailer/salamailer
Send end-to-end encrypted email and files. Encryption happens on your machine, not our server.
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Samva MCP
dev.samva/mcp
Authenticated Samva email tools, including public documentation and template discovery.
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Sarbacane MCP by usefulapi
io.usefulapi/sarbacane
Read Sarbacane campaigns, stats, lists and blacklists; manage contacts and draft email campaigns.
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Scamchecker.nl
nl.scamchecker/scamchecker
Check a suspicious email, SMS, WhatsApp message or link for scam signals (Netherlands, Belgium).
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Scoutee
org.scoutee/scoutee
Tender search + AI CPV finder. Register free: 1 daily email alert, up to 20 results/search.
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ScrapeMole Domains
dev.pages.scrapemole/domains
Pay-per-call x402 DNS, WHOIS/RDAP, availability, email security, SSL check, CT subdomains.
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Scribase
com.scribase/scribase
Supabase-compatible Postgres for agents: projects, branches, SQL, auth, storage, email.
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Scribble — Real Handwritten Cards
com.scribblecards/handwritten-cards
Send real handwritten cards in the US. A machine writes each one in ink, then we mail it.
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Scribe Mail
com.scribe-mail/scribe
Email signature management finally simple and measurable. Built for teams & AI agents.
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SecLens.ONE Email Security
one.seclens/seclens
Assess any domain's email security across SPF, DMARC, DKIM, MTA-STS, DNSSEC, DANE, and TLS-RPT.
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.