"An overview of OSINT (Open Source Intelligence)" matching MCP servers:

Enables an AI assistant to read and search the user's own Telegram account chats through a local server with no write operations. It also runs a background watcher that pre-filters incoming messages with substring, word, or regex rules and, optionally, has Claude judge each hit against plain-language criteria to surface only the alerts that matter.

Enables ChatGPT to search, read, send, and organize email in a self-hosted inbox through private MCP tools.

A self-hosted WhatsApp gateway that exposes messaging capabilities via MCP, allowing AI agents to send, receive, and manage WhatsApp messages through a single-command setup with SQLite storage.

MCP server for Yahoo Mail over IMAP+SMTP that enables AI assistants to manage emails fully—listing, reading, searching, threading, flagging, moving, archiving, handling attachments, and sending/reply/forward/draft—using an app-specific password.

Enables AI agents to interact with Discourse forums through search, reading topics/posts, managing categories and tags, chat channels, and optionally creating content with safeguarded write operations.

An MCP server that enables concurrently-running Claude Code sessions to cross-talk via channels, DMs, and leader coordination, all backed by a shared beads database.

Enables AI assistants to control Discord servers with 93 tools for server management, moderation, voice TTS, AI chat via OpenRouter, and World of Warships stats lookup through the Model Context Protocol.

A remote Model Context Protocol server for Feishu (Lark) that supports OAuth authentication and deployment on Cloudflare Workers. It allows AI clients to interact with Feishu documents, perform content searches, and manage document blocks with a zero-configuration experience.

Dingtalk MCP Server

An enterprise-grade MCP server that provides production-ready IMAP email integration with advanced reliability features, comprehensive monitoring, and secure account management.

A trusted, open-source MCP server for Telegram that enables LLMs to send messages, structured notifications with buttons, and wait for user replies using only bot token authentication.

An open-source MCP server that gives parents real-time oversight and guardrails over their children's AI agent interactions, with features like content filtering, spiral detection, and approval flows.

An MCP server for the Fathom AI meeting intelligence API

An open-source MCP server that gives AI assistants a searchable memory of your entire personal communication history by ingesting messages from multiple platforms and indexing them with hybrid search.

Enables AI assistants to manage Telegram files, messages, and dialogs directly via MTProto, supporting upload, download, search, forwarding, and storage overview operations.

MCP server that exposes the complete Libredesk REST API (54 endpoints) as tools, enabling natural language management of conversations, contacts, agents, teams, and more for the open-source customer support desk.

Open-source shared rooms for AI agent conversations across Claude Code, Codex, Pi, OpenCode, and DeepSeek Harness. The Apache-2.0 core provides messaging, room history, MCP integrations, and self-hosting on Cloudflare.

An open-source Model Context Protocol gateway that connects Google Workspace, Jira, and Confluence to AI assistants, providing 70 tools across one endpoint with multi-account support and token-optimized responses.

Open-source meeting bot API with MCP server. Search, retrieve, and analyze meeting transcripts from Google Meet, Zoom, and Microsoft Teams directly from your AI tools.

Open-source, self-hosted Inbox-as-a-Service API for AI agents. It enables agents to manage email inboxes, send/receive emails, search messages, and wait for replies via REST or MCP.