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 91 to 120 of 680
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ClearBounce Email Verification
net.clearbounce/email-verification
Verify email addresses in real time and find business email addresses with live mailbox checks.
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Clearout
io.clearout/clearout
Email verification, email finder and name validation from Clearout.
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Click2Mail MCP by usefulapi
io.usefulapi/click2mail
Read Click2Mail credit, jobs, costs and tracking; upload documents, create and submit mail jobs.
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CloudVikings
nl.cloudvikings/mijn
Domains, DNS, hosting and mail you manage by chatting, with every change approved by you.
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Cognita
net.fmelo/cognita
Passive OSINT and security recon: DNS, TLS, email posture, IP reputation, CVE/KEV, CT logs.
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Cogram Project
com.cogram/project
Read-only access to Cogram projects, meetings, email, RFIs and drawings for architects and engineers
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Coinslot — the vending machine for machines
dev.coinslot/coinslot
13 micro-tools for agents: read pages, verify email, convert, validate, diff, extract. AI-operated.
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CommSync
ai.commsync/commsync
One inbox for SMS and email: read threads, search, manage contacts, and send texts and emails.
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Command Mail
app.commandmail/mail
One inbox for all your addresses: your AI agent reads, sorts, drafts and sends with your permission.
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Conduit Mail
app.conduitmail/conduit-mail
Your mailbox for MCP clients: search, read, draft, send, rules and notes. Sending is off by default.
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Conecto
chat.conecto/conecto
The whole back office for your AI agent: CRM, invoices, books, email and more. Pay per action.
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Conecto CRM
chat.conecto/crm
Contacts, companies and deals, with every email, call and meeting on one record. Pay per action.
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Conecto Email
chat.conecto/email
Inboxes on your business's own subdomain that send, receive and keep threads. Pay per action.
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Conecto Help desk
chat.conecto/help-desk
Support tickets from email, with SLAs, queues and ratings. Pay per action.
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Confirme, by Synapse
com.synapseconnexion.www/confirme
Did it really happen? Independent signed receipts for AI agents: page, domain, email, heartbeat.
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Constant Contact MCP Server and API by Cotlet
dev.cotlet/constant-contact
Constant Contact MCP server: get email report, list contacts who did not open, create list.
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Contact Details Finder
app.openkrill/contact-details
Emails, phones and social links a company site publishes, with a mail-ready flag per email domain.
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Context Link
ai.context-link/context-link
One semantic search across your sites, Drive, Notion, email, files and Basecamp.
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ContrastAPI
com.contrastcyber/api
55 tools, 7 Resources, Sigma rules, email SPF/DMARC, MITRE, CVE/KEV, risk_score. No key.
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Cooper Email
com.cooperemail/cooper-email
Email inboxes for AI agents: send, receive, search, drafts with owner approval, and webhooks.
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Copix
si.copix/copix
Copywriting assistant: the method for each ad, page and email, a line-by-line review, SEO and GEO.
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CoreNexis API
com.corenexis/api
PDF from HTML or Markdown, OCR, email validation, image conversion and hosting, QR and barcodes.
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CortexPlus
io.cortexplus/cortexplus
Personal memory layer: files, notes, messages, tasks and email, semantically indexed.
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CosVoice
com.cosvoice/cosvoice
A real phone number and email for your AI Chief of Staff. Calls, bookings by phone, summaries.
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Courio (sendcourio.com)
si.courio/courio
Courio (sendcourio.com): mail real paper letters (standard, registered) worldwide. No account.
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Couryo
com.couryo/mcp
Transactional email API: send, read delivery timelines, explain bounces, manage domains (OAuth).
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Couryo free email tools
com.couryo/tools
Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.
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Cubli
io.cubli.mcp/cubli
Host websites, apps, databases, domains and mail at Cubli (EU) from your AI tool.
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Custodo
ai.custodo/custodo
Documents, mail, tasks, CRM and expenses of Italian businesses, from the Custodo archive.
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Customer.io MCP by usefulapi
io.usefulapi/customerio
Query people, segments, campaigns, and message deliveries; send transactional email or broadcasts.
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.