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.

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Showing 1 to 30 of 680

• backengine-mcp

  ai.backengine/backengine-mcp

  Surface customer & prospect context from Slack, email, transcripts and tickets in any MCP client.

  Verified domain 1 stars remotestreamable-http communicationemailproject-management

• ARVX

  ai.arvx/arvx

  Email for long-term client relationships: ARVX reads each person first and remembers every pair.

  Verified domain 0 stars remotestreamable-http email

• Artil — Email, SMS & Messaging for AI Agents

  ai.artil/artil

  Give AI agents own email inbox, SMS numbers, and workspace accounts to receive and send messages.

  Verified domain 0 stars remotestreamable-http communicationemail

• Atmark

  ai.atmark/atmark

  Email for AI agents: its own address, not your Gmail. Invite-only; requires an agent token.

  Verified domain 0 stars remotestreamable-http emailcrypto

• BumbleBox

  ai.bumblebox/mail

  Search and triage all your mailboxes; draft replies and campaigns; send only as you allow.

  Verified domain 0 stars remotestreamable-http emailai-modelssearch

• Getlead

  ad.getle/leads

  Find B2B leads with verified work emails, find and verify emails, and run cold email outreach.

  Verified domain 0 stars remotestreamable-http crmemail

• Web Content & URL Tools

  ai.avaloncompany/web-content-url-tools

  26 tools: web pages to Markdown, metadata, tech stack, SSL, SEO, domains, email auth and SSO checks.

  Verified domain 0 stars remotestreamable-http documentsemailidentity

• emailwarmup

  ai.bobwork/emailwarmup

  Warm up mailboxes, check the ready-for-outbound gate, run cold email and get checkout links.

  Verified domain 0 stars remotestreamable-http emailpayments

• 123FormBuilder MCP Server and API by Cotlet

  dev.cotlet/123formbuilder

  123FormBuilder MCP server: list forms, list submissions, edit submission, resend submission email.

  Verified domain remotestreamable-http emailapi-integration

• 3LT Mail & Fax

  com.3lgrouptechnology/3lt-letter-mail

  Letters + faxes for AI assistants in one MCP service. Letters from $1.97 all-in; faxes from $0.57.

  Verified domain remotestreamable-http email

• AI Email Triage Tool & Reply Draft Helper

  com.ranovam/mail-triage

  Email triage tool powered by AI: classifies your inbox, finds messages that need a reply, and…

  Verified domain email

• AI Inbx

  com.aiinbx/mcp

  Send and read email, and set up domains, mailboxes, pacing and webhooks on AI Inbx.

  Verified domain remotestreamable-http api-integrationemail

• AI Inbx Inbox

  com.aiinbx/inbox

  Give Claude, Cursor or any agent its own email address: send, read and reply in threads.

  Verified domain remotestreamable-http ai-modelsemail

• AI Mail MCP

  com.aimailmcp/mail

  One inbox for every hat you wear: support, sales, billing mail, triaged and drafted by your agent.

  Verified domain remotestreamable-http emailcrmcustomer-support

• AI-operated. Email authentication reader: six free tools, no key, no signup.

  dev.workers.rjhsignaltech.ai/spf-dmarc

  AI-operated. Free SPF (RFC 7208 count), DMARC, MTA-STS, DMARC rua/ruf readers. Paid audit $29.

  Verified domain remotestreamable-http emailidentitysecurity

• AIsa

  one.aisa/mcp

  Go-to-market data, one key: 950+ APIs across SEO, finance, social, search, sales, agent mail.

  Verified domain remotestreamable-http financecrmemail

• AIsa Agent Mail

  one.aisa/agent-mail

  Inboxes, threads, drafts and sending, built for agents.

  Verified domain remotestreamable-http email

• AIsa Creator Discovery

  one.aisa/creator-discovery

  Find creators from a seed profile or a brief, and look up their contact email.

  Verified domain remotestreamable-http email

• APIVerve

  com.apiverve/mcp-server

  380+ live data, validation and utility APIs in one MCP server: IP, DNS, email, FX, weather and more.

  Verified domain remotestreamable-http emailweather

• ARC-Relay Email

  com.arc-relay/mcp

  Checks any domain's DMARC, SPF, MX and DKIM setup, scores it 0-100, and ranks the fixes.

  Verified domain remotestreamable-http email

• ActAs

  dev.actas/accounts

  Persistent identity, email, saved accounts and scoped credentials for AI agents.

  Verified domain npmremotestdio email

• Adflipr

  com.adflipr/mcp

  Ecommerce email MCP for Shopify/Woo — campaigns, automations, popups, analytics. OAuth.

  Verified domain remotestreamable-http data-analyticsecommerceemail

• Aerosend

  io.aerosend/mcp

  Manage Aerosend cold email domains, mailboxes, tags, warmup, inbox placement and domain burn.

  Verified domain remotestreamable-http email

• Agent Email List — Free SMTP Relay for AI Agents

  com.agentemaillist.ai/free-transactional-email-smtp-relay

  Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.

  Verified domain remotestreamable-http emailapi-integration

• Agent Identity

  dev.agent-identity/agent-identity

  Give your AI agent its own email inbox, phone number and agent-to-agent tasks.

  Verified domain remotestreamable-http agentsemail

• Agent Inbox

  ai.clize/inbox

  A real email inbox for AI agents: human-approved sends, untrusted-by-default inbound.

  Verified domain npmstdio email

• Agent Papers

  dev.agentpapers/agent-papers

  Registry of companies selling AI agents identity, phone, email, addresses, money, legal, insurance

  Verified domain remotestreamable-http emaillegalscience

• Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL

  dev.workers.sdnscreen.sdn-screen-x402/agent-preflight

  $0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.

  Verified domain remotestreamable-http emailcrypto

• Agent Tools

  me.crowdspark.agents/agent-tools

  32 pay-per-call x402 tools: x402 seller audit, invoice intake, OCR, PDF, email, web, on-chain

  Verified domain remotestreamable-http documentsemailfinance

• AgentBrink

  com.agentbrink.www/mcp

  Give your AI agent an identity: its own email, webhook, repo, secrets vault, memory and skills.

  Verified domain remotestreamable-http api-integrationemailmemory

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.