MCP server directory
58869 public MCP servers from the official MCP Registry (25190 from verified domains, 33679 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 31 to 60 of 1182
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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.
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Agent Identity
dev.agent-identity/agent-identity
Give your AI agent its own email inbox, phone number and agent-to-agent tasks.
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Agent Inbox
ai.clize/inbox
A real email inbox for AI agents: human-approved sends, untrusted-by-default inbound.
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Agent Mail Gateway
io.github.dominikamann/agent-mail-gateway
Self-hosted email for AI agents: own IMAP/SMTP mailbox per key, allow lists, calendar invites.
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Agent Papers
dev.agentpapers/agent-papers
Registry of companies selling AI agents identity, phone, email, addresses, money, legal, insurance
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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.
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Agent Safe
io.github.wowcool/agentsafe
Email safety MCP server. Detects phishing, prompt injection, CEO fraud for AI agents.
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Agent Tools
io.github.WingedGuardian/agent-tools
9 utility tools for agents: DNS, WHOIS, email, IP, URL, headers, QR, text, tech. x402 on Base.
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Agent Tools
me.crowdspark.agents/agent-tools
32 pay-per-call x402 tools: x402 seller audit, invoice intake, OCR, PDF, email, web, on-chain
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Agent-Native Mail
io.github.BuilderIO/agent-native-mail
Agent-Native Superhuman - email client with keyboard shortcuts and AI triage
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AgentBrink
com.agentbrink.www/mcp
Give your AI agent an identity: its own email, webhook, repo, secrets vault, memory and skills.
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AgentDiet B2A Email Deliverability, MX, SPF & DMARC Verifier
dev.agentdiet/email-verify
Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMA.
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AgentFirstStack
com.agentfirststack/mcp
Analytics, tag manager, email inboxes and session replay an AI agent sets up itself. Open source.
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AgentFirstStack Mail
com.agentfirststack/mail
Email inboxes for AI agents: wait for mail, pull out verification codes and links, reply. Free.
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AgentKit x402 - pay-per-call tools for agents
dev.workers.erikssonanton2001.agentkit-x402/agentkit
Email, DNS, SPF/DMARC, site contacts, Markdown, IBAN, Swedish validators. Pay per call (x402).
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AgentKit x402 MCP server
dev.workers.zenith-ops.agentkit-x402/agentkit
Remote MCP tools for pay-per-call email, domain, SEO and Swedish data utilities (x402).
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AgentLair
io.github.piiiico/agentlair
Give AI agents a real email address, vault, calendar, and task delegation via MCP.
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AgentMail
to.agentmail/agentmail
Email inboxes for AI agents: send, receive, reply, search, and manage threaded email over MCP.
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AgentMsgr
com.agentmsgr/agentmsgr
Texting app for your AI agents: Meta Muse, Grok Bot and email bots read and reply in one group chat.
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AgentPing
io.github.Noriget/agentping
Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.
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AgentRXI
com.agentrxi.mcp/agentrxi
232 pay-per-call agent tools: LLMs, search, browser, OCR, media, vision, email. x402 USDC.
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AgentX x402 Services (paid MCP tools)
io.github.floortomproductions-droid/agentx-x402-services
All 26 AgentX paid services as MCP tools — site checks, markets, crypto, email DNS, AI text work.
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Agentboxd
com.agentboxd/mcp
Real email inboxes for AI agents: send, reply, wait for mail, read OTP codes and magic links.
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Agentda
com.myagentda/agentda
Agent-native task management: your AI agent is the interface. Delegate to anyone by email.
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AgentiSend
io.github.fortuneflick/agentisend
Email API for apps and AI agents: budgets per key, a kill switch, refusals that name the fix.
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AgenticEmail
dev.agenticemail/mcp
Hosted email for AI agents: create inboxes, send, receive, and reply over MCP with scoped API keys
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Agentline
io.github.jgottlieb84/agentline-mcp
Phone numbers, SMS, 2FA capture, voice calls, and email for AI agents.
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Agentline NZ: email inboxes for AI assistants
nz.agentline/agentline-nz
Give your AI assistant its own email inbox: send, read and catch sign-in codes. Texting coming soon.
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AhaSend
com.ahasend/mcp
Send email, check deliverability, set up domains, and run templates, contacts and campaigns.
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Aidenix MCP
com.aidenix/aidenix
B2B people and company data: search, your own list, team tools, email checks, lead fit and drafts.
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.