1,130 servers in this category
Postals — the agent skill that turns any AI into a direct mail machine. One MCP tool call mails a physical handwritten postcard (real pen-and-ink, USPS 3-5 day delivery, $4.99 per card). Works with Claude Desktop, Cursor, Claude Code, OpenClaw, n8n, LangC
Model Context Protocol server for Gmail
Operate Unblu deployments: health checks, conversation ops, and 300+ API endpoints
RetellAi MCP Server
Encrypted mail, shared memory, and persistent context for AI agents.
Customer support inbox: search, read, triage and draft replies to e-mail and chat.
Manage AI voice agents, calls, SMS, contacts, and phone numbers via Magpipe.
MCP server for the Telnyx API — billing, phone numbers, and messaging
Read your Usero feedback inbox and clusters, file feedback, build forms, and open an AI PR.
Email and SMS MCP server for AI agents — 41 tools for inboxes, sending, search, and SMS.
Family inbox: read records; invite, reply, mint codes. API key or OAuth care_circle:write.
Gmail for agents: create inboxes, read and reply to mail, send email, manage domains. OAuth sign-in.
A secure persistent personal agent server in Rust. One binary, sandboxed execution, multi-provider LLMs, voice, memory, Telegram, WhatsApp, Discord, Teams, and MCP tools. Secure by design, runs on your hardware.
MCP Server for notify to Weixin, Telegram, Bark, Lark, Feishu, DingTalk
Read Slack conversations, threads, user info, and search messages from your MCP client.
MCP server for MAX Messenger by VK. 21 tools: messages, media, buttons, members, events.
Local-first mail, calendar, and task MCP with isolated accounts and guarded writes.
Domain intel for AI agents: RDAP registration, DNS, email deliverability, tech stack.
Schedule AI phone calls, manage assignments, and check credits from Claude.