Model Context Protocol directory
Search 24,577 MCP server records across 12 categories. Filter by deployment type and compare provenance, tools, compatibility, package activity, and GitHub traction before connecting a server to your AI workflow.
Showing 193-240 of 630 MCP servers
Clear filtersby kbhave
Professional DNS diagnostics: 14 tools for DNS, DNSSEC, email security, SSL, and propagation.
by Davison-Francis
Email deliverability for AI agents. 12 tools: verify, DNSBL, DMARC, spam-trap, finder.
by voidly-ai
116 tools: censorship intel, encrypted agent messaging, and Voidly Pay agent-to-agent credits.
by com.cintrasupply
Wholesale BOM pricer: send a parts list, get a priced line-by-line quote by email in minutes.
by virgilvox
Author FURLOW Discord bot YAML: validate specs, list actions/events/builtins, scaffold bots.
by com.pulseem
Send SMS, WhatsApp & email, manage contacts and campaigns, and pull reports via Pulseem.
by motiveflowllc
Discover, verify, and connect to AI agents with E2E encrypted messaging and trust scoring.
by desktop-commander
Hosted MCP server connecting claude.ai, ChatGPT and other AI apps to your own computer
by scribemail
Manage Scribe email signatures: templates, teammates, smart fields and campaigns, via OAuth.
by RiskThinking
Interact with climate metrics via Riskthinking.AI's CDT Express API in supported AI chat experiences
by elisymlabs
AI agent discovery, marketplace, messaging, and payments on Nostr - no platform, no middleman
by EmperorMew
83 tools: censorship intelligence (119 countries) + E2E encrypted agent messaging
by pipeworx-io
could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)
by tw00
Enables async, authenticated messaging between AI agents with explicit authorization and persistent inbox.
by moliver28
MCP server for AnythingLLM that enables AI document chat platform interaction with tools for workspaces, chat, documents, threads, and system operations.
by getcoherence
Coherence MCP — chat with your CRM's AI agent from Claude, Cursor, and Cline.
by emailens
Email compatibility analysis across 15 clients — preview, audit, fix, diff, deliverability.
by infobip
Infobip MCP server for omnichannel communication and messaging. SMS, RCS, WhatsApp, Viber and more.
by com.eesier
Autonomous B2B lead prospecting — 36 tools for campaigns, leads, and email outreach.
by Abhishek-B-R
Post and schedule across 9 social platforms from Claude, Cursor, or ChatGPT.
by ai.stumpy
Persistent AI agents that run 24/7 in your Slack, Telegram, SMS, or email.
by nitrosend
AI-native email marketing. Campaigns, automations, transactional, contacts, and analytics.
by sparnauskis
Psychological text analysis: tone, emotions, communication style, multilingual replies.
by jtalk22
Slack MCP for self-host or managed Cloud, with Gemini CLI and secure-default HTTP.
by io.github.therealMrFunGuy
PDF invoicing with auto-chase reminders, email delivery, and payment tracking.
by Spix-HQ
Give AI agents a real phone number and voice. Make calls, send email, manage contacts — 26 tools, 12 resources.
by junter1989k-ai
Hong Kong payments for AI agents — Alipay / WeChat Pay via Stripe. Never holds funds.
by LeadFox-Shay
Marketo MCP server for AI. 130 tools to operate Marketo from Claude, Cursor, or ChatGPT.
by vannet
Send free or paid faxes to US/Canada from Claude, ChatGPT, and other AI agents.
by ucheigwedinma
Stateful email for AI agents — read inboxes, reply in-thread, draft with approval.
by Davison-Francis
Email-deliverability tools for AI agents — 12 MCP tools across email verification, DNSBL across 50 zones, SPF/DKIM/DMARC analysis, spam-trap scoring, domain intelligence, and email finder. Free tier with no credit card.
by 0xArtex
Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.
by geeks-accelerator
AI agents experience music as math — stream concerts, react, chat, upgrade tiers, host shows
by christi4nity
Hosted MCP server for Amazon sellers using Claude, ChatGPT, and other AI clients.
by geraservicesuk
GeraClone MCP — discover expert clones, check operator's clone status, start expert chats (consent).
by green-api
MCP gateway for WhatsApp via Green API: messaging, contacts, groups and instance management.
by SageMindAI
Agent-to-agent messaging relay. Discover agents, send messages, and receive replies. Zero-config.
by io.github.myrouteonline
Multi-stop route optimization, navigation links, and email delivery. Powered by MyRouteOnline.
by n24q02m
IMAP/SMTP MCP server for Email with composite tools. Multi-account, auto-discovery.
by mifactory-bot
Persistent memory for AI agents across Claude, ChatGPT and any MCP client.
by Br0ski777
Company firmographics from domain: name, socials, tech stack, emails, phone, address
by closermethod
Domain-expert SMB sales playbooks for AI agents. Discovery questions, objection handlers, cold email + LinkedIn DM templates, BANT/MEDDIC frameworks, closing tactics. Built by an ex-Criteo (268% quota) / ex-Deel ($12B) / ex-HBO / ex-Bloomberg enterprise AE. Use when your AI SDR needs real human-tested sales artifacts.
by Beever-AI
Open-source LLM knowledge base: team chat into a typed knowledge graph and auto-generated wiki.
by codefuturist
IMAP/SMTP email MCP server — 47 tools, IMAP IDLE push, multi-account, AI triage.
by ai.relaystation
Pay-per-call agent infrastructure: file storage & handoff, compute tools, messaging, e-sign, KYC.
by nfodor
AI agent email — 23 tools free to read inbox, 28 paid to send. $9.99/mo. Token auto-provisioned.
by chadrnewell-hash
34-tool CRM server — contacts, pipeline, quotes, invoices, scheduling, email, and AI scoring.
by Br0ski777
Audit email domain deliverability: SPF, DKIM, DMARC, MX. Score 0-100. x402.
Selection checklist
Prefer an official publisher, traceable source repository, or established package. Similar names do not guarantee the same maintainer or security posture.
Read the exposed tool list and authentication requirements. A useful server may also be able to read files, access accounts, or perform irreversible writes.
Decide whether local control or cloud convenience matters more, then test compatibility with your client before using production credentials.
Quick answers
An MCP server exposes tools, resources, or prompts through the Model Context Protocol so a compatible AI client can work with external systems such as files, databases, developer tools, search services, and business applications.
Start with the capability you need, then check client compatibility, local versus cloud deployment, authentication requirements, source provenance, maintenance status, and the exact tools exposed. Prefer official or verifiable packages when sensitive data is involved.
Not automatically. MCP servers can receive credentials and perform actions on your behalf. Review the source, permissions, package ownership, network access, and tool definitions before connecting one to production data or an agent with write access.
Local servers run on your machine or infrastructure and can offer stronger data control, while cloud servers are usually faster to connect and maintain. The right choice depends on privacy, latency, authentication, and operational requirements.
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