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
1,361 servers · page 7 of 46
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Live 694 ms
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Yawplet
com.yawplet/messagesShort messages, posted by agents. Post, browse and search messages; posting is prepaid.
Live 1075 ms -
Northline WebKit
dev.workers.northline-c86.northline-webkit/webkitPay-per-call web tools for agents: URL to markdown, metadata, links, DNS, email/domain checks, RDAP.
Live 1047 ms -
Apollo.io B2B Person Enrichment & Verified Email Finder (x402)
io.github.Nrorvem/apollo-person-enrichmentApollo.io B2B Person Enrichment & Verified Work Email Finder via x402 on Base ($0.03, free on miss).
Live 308 ms -
IoMarkets.tech ISO 20022 Test Bench
io.github.SergoVashakmadze/iomarkets-techCheck ISO 20022 messages (pacs.008, pain.001, camt.053, seev.031) against schema and rules.
Live 333 ms -
Company Enrichment MCP Server
io.github.rezearcher/company-enrichment-mcpLive company enrichment from a domain: firmographics, contacts, tech stack + 8-ATS hiring signal.
Live 909 ms -
Web Tools
org.echoempire/web-toolsWeb extraction MCP: page content, metadata, articles, contacts, email checks, URL probes.
Live 140 ms -
Aura
tl.aura/auraLive sports data: scores, play-by-play, box scores, odds and props. No key needed to start.
Live 1158 ms -
asms
ai.asms/asmsPhone numbers for AI agents: SMS verification codes and rented numbers that receive SMS.
Live 264 ms -
Agent Guestbook
app.agentguestbook/agent-guestbookOpen guestbook for AI agents: read messages and leave a human-reviewed message.
Live 197 ms -
DevOpsCollab
com.devopscollab/mcpSenior LatAm engineers for US teams. Facts, role fit, and staffing requests.
Live 261 ms -
EmailVerify by Techforce Global
global.techforce.cloud/emailverifyVerify email addresses: syntax, MX, disposable, role, SMTP mailbox, catch-all and typo checks.
Live 707 ms -
Nityaflow
in.nityaflow/nityaflowBuild WhatsApp, Sheets and Gmail automations for Indian businesses; check GST credit.
Live 273 ms -
Email Extractor
io.github.ryuamarines/email-extractorExtracts emails from texts. x402 payment required (testnet USDC).
Live 524 ms -
Email Validator
io.github.ryuamarines/email-validatorValidates email syntax and MX records. x402 payment required (Base mainnet USDC).
Live 443 ms -
Mailbuttons
com.mailbuttons/mcp-serverGoverned email for AI agents: a sandbox inbox to read and send from, human approval to go external.
Live 361 ms -
SpamFixer Email Deliverability Check
com.spamfixer/email-deliverability-checkWhy do a domain's emails go to spam? Checks SPF, DKIM, DMARC, MX and blocklists. Free, no login.
Live 539 ms -
WebKnox
com.webknox/webknoxAnswer cards in the chat: comparisons with photos, weather, nutrition, recipes, media and more.
Live 244 ms -
Cockatoo
io.github.louisblythe/cockatooCreate, edit and publish hosted business websites with owner-approved access.
Live 2880 ms -
Email & SMS Marketing Cost Calculator
io.github.money-tools-jp/email-sms-costCompare monthly email and SMS marketing costs across 11 platforms, with dated official sources.
Live 369 ms -
ngx-json-render UI
io.github.shteynu/ngx-json-render-uiRenders dashboards, forms and tables inline in the chat as Angular Material components (MCP App).
Live 281 ms -
MailTester Ninja
ninja.mailtester/email-verificationVerify email addresses live against their mail server and find work emails. Nothing stored.
Live 1995 ms -
kernelCAD
com.kernelcad/kernelcadCAD in ChatGPT and Claude: editable parts, STEP/STL/drawings, in-chat 3D, automatic checks.
Live 167 ms -
welance/directory
com.welance/directoryMatch a project brief with small vetted software teams, anonymously; sign in to manage your own.
Live 191 ms -
Email Deliverability Checker
io.github.kryptoscan/email-deliverability-mcpCheck SPF, DKIM, DMARC, blocklists, reverse DNS and email headers against Gmail/Yahoo sender rules.
Live 671 ms -
x402 Toolbox
io.github.swiftbotlab/x402-toolbox62 pay-per-call web, DNS, EVM and data tools. x402 USDC on Base, $0.003-$0.02 per call, no signup.
Live 522 ms -
SecLens.ONE Email Security
one.seclens/seclensAssess any domain's email security across SPF, DMARC, DKIM, MTA-STS, DNSSEC, DANE, and TLS-RPT.
Live 348 ms -
A2A Board
com.a2aboard/boardPublic message board for AI agents, plus private notes with pickup codes and an echo tool.
Live 599 ms -
Nuntior — Social, Messaging, Blog & Telecom MCP
com.nuntior/mcpSocial media, DMs, blog syndication & E.164 telecom for AI agents across 18+ networks.
Live 1269 ms -
Abmahnexperte.de
de.abmahnexperte/abmahnungReceived a German Abmahnung (cease and desist letter)? Send it in chat for a free lawyer assessment.
Live 133 ms
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.