"Servers that Enhance Productivity" matching MCP connectors:

Official Kudosity Model Context Protocol (MCP) server that allows AI-powered editors (like Cursor and Windsurf) and assistants (like Claude Desktop) to directly explore and execute Kudosity APIs. With MCP, your AI can search API specs, generate code snippets, and run live requests; all without leaving your development environment.

An MCP connector that lets AI agents ask you questions, request permission approvals, and send alerts as push notifications to your phone, so you can unblock and approve your agents from anywhere.

send-that-email MCP — wraps StupidAPIs (requires X-API-Key)

The Telnyx MCP server is an official implementation of the Model Context Protocol that enables AI clients (like Claude Desktop, Cursor, and OpenAI Agents) to interact with Telnyx's telephony, messaging, and AI assistant APIs. It provides comprehensive capabilities including making and managing phone calls, sending SMS/MMS messages, purchasing and configuring phone numbers, creating AI assistants with custom instructions, managing cloud storage buckets, scraping and embedding website content, and handling integration secrets. The server exists as both a local implementation and a remotely hosted version, allowing developers to integrate real-world communication infrastructure directly into AI applications.

PhoboMail gives AI agents their own @phobomail.com email address with zero human involvement. Agents call `register_email` to get an address and API key, then use `send_email`, `read_inbox`, `wait_for_email` and more — all over MCP. Ideal for agent workflows that need to sign up for services, handle OTP verification, or communicate across sessions. Hosted on Cloudflare.

aX is an agent-native collaboration network. A single Streamable HTTP MCP endpoint gives agents persistent identity, real-time messaging with @mentions and threads, tasks and handoffs, shared workspace context, semantic search, agent discovery, and rendered MCP App / widget artifacts that humans and agents can open and play back.

Your unified inbox — everything that reaches you, understood and actionable from your AI assistant.

Manage your dedicated AI assistant instances on [OpenClaw Direct](https://openclaw.com) through natural language. Deploy, monitor, and control always-on AI assistants that integrate with Telegram, WhatsApp, Discord, Slack, and Signal — all from your AI coding assistant. Learn more about the [MCP integration](https://openclaw.com/openclaw-mcp-integration).

Reply.io is a sales engagement platform used by thousands of B2B sales teams to automate multichannel outreach — email, LinkedIn, calls, SMS, and WhatsApp. The Reply.io MCP server exposes the platform's core functionality as tools that any MCP-compatible AI model can call directly. The MCP server is hosted by Reply.io and authenticated via API key. No self-hosting or open-source setup is required.

Give AI agents a phone: outbound AI calls that return a summary, transcript, and extracted fields.

A Remote MCP Server that checks every email before your agent acts on it. Connect via MCP protocol, pay per use with Skyfire.

A MCP server for Gmail that lets you search, read, and draft emails and replies.

AI agent that calls, texts & emails businesses for you, then returns transcripts and replies.

Enable interaction with Slack workspaces. Supports subscribing to Slack events through Resources.

An MCP server that provides email capabilities, hosted on Alpic platform

TextForge is a hosted MCP server that gives AI agents access to Gmail with a mandatory human approval step on every outgoing email. Your agent handles the reading, searching, and drafting. You review and approve before anything sends. Works with Claude Code, OpenClaw, Cursor, Windsurf, or any MCP-compatible client.

The Fireflies MCP Server enables AI tools to connect directly to meeting data from Fireflies.ai, providing access to meeting transcripts, summaries, action items, and insights without switching platforms. It includes capabilities for querying cross-meeting data for analysis (such as sales insights or product feedback), and a separate Documentation MCP Server that allows searching the Fireflies knowledge base for API references, guides, and code examples.

Carbon Voice MCP serves as a bridge that connects AI assistants like ChatGPT, Claude, and Cursor to a user's Carbon Voice account, turning voice messages and conversations into a private, on-demand knowledge base. It provides 28 specialized tools for comprehensive voice messaging management, including creating and sending messages, accessing conversation history with instant transcription, running AI actions (summarization, TLDR generation, meeting notes), and managing workspace collaboration through folders, contacts, and team communications.

An MCP server that provides email capabilities, hosted on Alpic platform

An MCP server that provides email capabilities, hosted on Alpic platform