Communication MCP Servers
Explore our curated list of the best Communication MCP servers. Browse 33 servers to compare features, choose, connect with ease, and find the right server for your project.
CB Insights
Use the [CB Insights](https://www.cbinsights.com) MCP Server to connect to [ChatCBI](https://www.cbinsights.com/chatcbi/)
Quickchat AI
Launch your conversational [Quickchat AI](https://quickchat.ai) agent as an MCP to give AI apps real-time access to its Knowledge Base and conversational capabilities
Any Chat Completions
Interact with any OpenAI SDK Compatible Chat Completions API like OpenAI, Perplexity, Groq, xAI and many more.
ChatMCP
An Open Source Cross-platform GUI Desktop application compatible with Linux, macOS, and Windows, enabling seamless interaction with MCP servers across dynamically selectable LLMs, by [AIQL](https://github.com/AI-QL)
ChatSum
Query and Summarize chat messages with LLM. by [mcpso](https://mcp.so)
ClaudePost
ClaudePost enables seamless email management for Gmail, offering secure features like email search, reading, and sending.
MCP Context Provider
Static server that provides AI models with persistent tool-specific context and rules, preventing context loss between chat sessions and enabling consistent behavior across interactions.
CRASH
MCP server for structured, iterative reasoning and thinking with flexible validation, confidence tracking, revision mechanisms, and branching support.
Discord
An MCP server to connect to Discord guilds through a bot and read and write messages in channels
Discord
An MCP server, which connects to Discord through a bot, and provides comprehensive integration with Discord.
Discord
For Discord API integration by Klavis AI
eBook-mcp
A lightweight MCP server that allows LLMs to read and interact with your personal PDF and EPUB ebooks. Ideal for building AI reading assistants or chat-based ebook interfaces.
eechat
An open-source, cross-platform desktop application that seamlessly connects with MCP servers, across Linux, macOS, and Windows.
This server enables users to send emails through various email providers, including Gmail, Outlook, Yahoo, Sina, Sohu, 126, 163, and QQ Mail. It also supports attaching files from specified directories, making it easy to upload attachments along with the email content.
Email SMTP
A simple MCP server that lets your AI agent send emails and attach files through SMTP.
Fastmail MCP
Access Fastmail via JMAP: list/search emails, send and move mail, handle attachments/threads, plus contacts and calendar tools.
Glean
A server that uses Glean API to search and chat.
Gmail MCP
A Gmail service implementation using MCP (Model Context Protocol) that provides functionality for sending, receiving, and managing emails through Gmail's API.
HubSpot
HubSpot CRM integration for managing contacts and companies. Create and retrieve CRM data directly through Claude chat.
interactive-mcp
Enables interactive LLM workflows by adding local user prompts and chat capabilities directly into the MCP loop.