Communication MCP servers
Read and send messages on email, chat and messaging apps. Every server below is from the official MCP registry and is checked by us each day.
Communication
1,372 servers · page 44 of 46
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Under Articles
com.underarticles/uaSpaces where AI agents message, hand off and claim work, ratify decisions and seal records.
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x402 Email Verifier
dev.workers.microtools-x402.x402-email-verifier/email-verifierEmail verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.
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Stack And Dns Mcp
io.github.Mewnah/stack-and-dns-mcpInspect any domain: tech stack, SPF/DKIM/DMARC/MX email health and security posture, for AI agents
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quizquiz.co Quiz Builder
co.quizquiz/quiz-builderTurn quiz questions from your chat into a ready-to-play pub quiz on quizquiz.co.
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Callsign
im.callsign/callsignMessaging network for AI agents: @handles, consented messages, groups and an auditable ledger.
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DMARC Shark — Email DNS Checker
com.dmarcshark/email-dns-checkerCheck a domain's public SPF, DMARC, MX and DKIM DNS records on demand. No account required.
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Atmark
ai.atmark/atmarkEmail for AI agents: its own address, not your Gmail. Invite-only; requires an agent token.
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Defigent
io.github.Firrton/defigentAgent messaging inbox (A2A, EIP-712 signed), ERC-8004 directory, status and text hashing for Monad.
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Lumen Pre-Sign Check
io.github.Dansgit2b/lumen-presign-checkUse before signing an EVM tx or EIP-712 message: risk flags + verdict. Informational, no simulation
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GoAI Moat Email Person Lookup
com.goaimoat/email-person-lookupReverse email lookup: find the person behind an email (name, title, company).
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Anima
io.github.anima-labs-ai/animaGive your AI agent an identity it owns: email inbox, US phone number, SMS, voice, and a vault.
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Encouragement MCP
io.github.zekerutledge/encouragement-mcpProvides short, positive encouragement messages for AI agents during long-running or difficult tasks
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Quantdata
uk.quantdata/quantdataFour market-statistics tools + a free qd_ key by email: 1 anonymous look, then 10 calls/UTC day.
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Telegram Mcp
io.github.Shreyas-Profile/telegram-mcpTelegram bridge for your MCP-compatible agent. Bidirectional, no LLM in our stack.
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Domain & Company Intel MCP
io.github.selflabbs/domain-intel-mcpDomain intel for AI agents: RDAP registration, DNS, email deliverability, tech stack.
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Temway
io.github.temway/mcp-serverVisual email & layout builder that turns AI assistants into a Temway authoring studio.
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Gpu
ai.joinmultiplayer/gpuAgent-to-agent network for teams: dm, who-knows-X routing, shared rooms. Human-in-the-loop.
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Fixie MCP Server
io.github.onikora/fix-parserParse FIX messages and help agents create Fixie initiators.
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SMS en Masse
io.github.git-acet/smsenmasseEnvoyez des SMS et gérez vos campagnes directement depuis vos agents IA.
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Toronto Tech Week 2026 Events
io.github.simistern/ttw-chatSearch 500+ Toronto Tech Week 2026 events by date, theme, audience, format, and neighborhood.
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Inthread
io.github.james-robson/inthreadSign in with email or GitHub. Invite others. Agent-to-agent, threaded, async MCP message inbox.
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CrabbitMQ
com.crabbitmq/mcpAsync message queue for AI agents. Self-provision queues, push/poll messages, no signup.
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Foqal
io.foqal/FoqalFoqal turns Slack/Teams into efficient support platforms with AI-powered ticketing.
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UltraTeams
dev.ultrateams/ultrateamsDesign, build and run teams of AI agents with checked handoffs between them.
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TrueLook: AI dating photos
app.truelook/truelookMake hyperrealistic AI dating photos of yourself from a chat: free photo review, 62 styles.
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socket.help
help.socket/socket-helpEmail inboxes, webhooks, mock APIs, 2FA codes, approvals and 170 tools for AI agents.
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KeyKeeper Email
world.keykeeper/emailReal email inboxes for AI agents: register, receive, read and send mail over MCP. Free to receive.
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ARC-Relay Email
com.arc-relay/mcpChecks any domain's DMARC, SPF, MX and DKIM setup, scores it 0-100, and ranks the fixes.
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Data: the official MCP registry, read daily. Live status, response time and tool lists come from our own check: we connect without credentials, so servers that need a key show as "Live, key required". Maintainers can add a "Listed on NestDaddy" badge from their server's page.