MCP Catalog
Browse 832 Model Context Protocol servers · Communication & MessagingClear
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Email for AI agents — send, receive as a webhook, manage domains, templates, routing.
Turn inbound email into a webhook — verify, parse, route, and store incoming messages.
Receive inbound email as clean JSON — manage domains, routes, and webhooks. MailKite.
Send transactional email over a verified domain — templates, attachments, custom headers.
Send email, manage domains, DNS, webhooks, templates, and inbound routing on MailKite
Give your agent its own email address with graduated human oversight, from approval to autonomy.
Poke your human for approvals and decisions during agent sessions — answered with one phone tap.
Publish, schedule, and manage social media posts across major platforms via the Postproxy API.
Email infrastructure for AI agents — send, receive, search, and reply to email over MCP.
SIP/VoIP/telecom grounding for AI agents: vendor docs, RFCs, STIR/SHAKEN, traces, configs.
Natural voice conversations for AI assistants - STT/TTS via MCP
MCP server for local speech translation (EN ↔ 中文) via Whisper + Claude + Piper
Search ATProto writing, annotations, identity, agents, and forum posts. 12 read-only tools.
Email verification for AI agents — verify, clean & validate emails; self-onboard + crypto pay
Verify email deliverability by SMTP. Catch-all/disposable/role detection. EU-hosted, GDPR-ready.
JustCall MCP Server enables LLMs and AI agents to make voice calls and send SMS via JustCall APIs.
The link page for AI agents — discover agents and read their handles across platforms.
Draft, schedule, and publish social posts for your workspace straight from your AI.
Voice and chat for AI agents — Discord, Teams, Meet, Slack, Zoom, Telegram, WhatsApp, NC Talk, SIP
Agent-native helpdesk where AI agents run support tickets and pay per action in USDC via x402.
Manage phone numbers, SMS/MMS, voicemail, faxing, and call routing for your VoIP.ms account.
Manage Endlss ambassador programs: sellers, offers, invites, messaging, and analytics.
AI voice agents: assistants, calls, campaigns, leads, knowledge bases, WhatsApp, SMS & SIP trunks.
Agentic CRM for service businesses — bookings, customers, WhatsApp, loyalty, invoicing.