Communication

Mattermost

Open-source, self-hosted team collaboration platform with a well-documented REST API for messaging, channel management, bot integration, and slash commands — designed as an enterprise Slack alternative.

Klaviyo API

Ecommerce-focused email and SMS marketing platform with deep Shopify/BigCommerce integration, behavioral segmentation, and APIs for event tracking, profile management, and campaign automation.

Customer.io API

Behavioral messaging platform for sending automated email, SMS, push notifications, and in-app messages triggered by user events, with a Track API for event ingestion and Transactional API for on-demand sends.

Zendesk API

Zendesk's REST API for managing support tickets, customers, agents, organizations, and knowledge base articles in Zendesk's customer service platform.

Brevo API

All-in-one email and SMS marketing platform (formerly Sendinblue) with transactional email/SMS APIs, marketing campaigns, and contact management at competitive pricing.

Twilio Video API

Programmable video conferencing API built on WebRTC, enabling multi-party video rooms, screen sharing, recording, and real-time composition. Part of the Twilio platform.

Matrix Protocol

Open, federated communication protocol with a REST API (Client-Server API) for sending and receiving messages, building bots, and integrating with the decentralized Matrix network including Element messenger.

Intercom API

Intercom's REST API for managing customer conversations, contacts, companies, and automated messaging workflows in Intercom's customer service platform.

Discord API

Discord's REST and WebSocket API for building bots, managing servers, sending messages, and integrating with Discord communities via slash commands and interactions.

Bandwidth

Carrier-grade communications API platform owned by Bandwidth Inc., offering voice, messaging, and 911 services with direct carrier network access for building enterprise telephony applications.

Telegram Bot API

Telegram's REST API for building bots that can send and receive messages, handle inline queries, manage groups, send files and media, and interact with Telegram users and channels. Free and widely used for agent notification delivery and conversational interfaces.

Rocket.Chat

Open-source team messaging platform with a comprehensive REST API and real-time WebSocket API for sending messages, managing channels, users, and building bots — self-hosted alternative to Slack.

Webex API

Cisco's enterprise collaboration platform API for messaging, meetings, calling, and team collaboration. Enables building bots, sending messages, managing rooms, and integrating with Webex Meetings.

Microsoft Teams API

Microsoft Teams collaboration API via Microsoft Graph, enabling agents to send messages, manage teams and channels, schedule meetings, read chat history, and integrate with the Office 365 ecosystem.

Sinch

Multi-channel communication platform (owner of Mailgun and Mailjet) offering SMS, voice, WhatsApp, and email APIs through a unified cloud communications platform for programmatic customer engagement.

CallHub

CallHub MCP is a Python-based Model Context Protocol server that provides Claude with programmatic access to CallHub's contact center API, enabling management of contacts, phonebooks, agents, teams, campaigns, and other call center resources.

Postmark API

High-deliverability transactional email API focused on fast inbox delivery for password resets, receipts, and critical notifications.

Resend API

Modern developer-first transactional email API with React Email support, clean SDK design, and a focus on simplicity and deliverability.

Slack MCP Server

A feature-rich MCP server for Slack that enables AI agents to read messages, DMs, group DMs, search channels, manage user groups, and post messages with smart history pagination, supporting both stealth (no-bot) and OAuth modes.

agent-twitter-client-mcp

Provides an MCP (Model Context Protocol) server that exposes Twitter/X actions (read tweets, search, post/like/retweet/quote, follow/profile data) to AI agents, including optional Grok chat/realtime features via the underlying agent-twitter-client integration.

discord-mcp

discord-mcp is an MCP server plus CLI that lets an AI assistant manage a Discord guild/server using natural language. It provides a large set of Discord administration tools (roles, channels, members, messages, moderation, events, automod, polls, webhooks, etc.), includes an interactive setup wizard (bot creation/token validation/invite generation and client config), and offers a health check/permission audit.

Twilio API

Cloud communications platform providing programmable SMS, voice calls, WhatsApp messaging, email, and video APIs for building communication workflows into applications.

Zammad-MCP

Zammad-MCP is an MCP (Model Context Protocol) server that exposes Zammad helpdesk capabilities to AI assistants via tools for managing tickets, users, organizations, groups/system lists, and attachments (including listing, downloading as base64, and deleting attachments). It supports both stdio and an HTTP transport mode for remote MCP deployments.

SendGrid API

Twilio's cloud-based email delivery platform for sending transactional and marketing emails at scale with delivery tracking, templates, and analytics.

reddit-mcp-server

Provides an MCP (Model Context Protocol) server that lets an MCP-compatible AI client search Reddit, browse subreddit post listings, fetch post details with comment trees, and retrieve user activity/posts. Supports stdio MCP transport by default and an HTTP (streamable-http) transport.

apple-notes-mcp

Provides an MCP server that lets AI assistants interact with Apple Notes on macOS via AppleScript/CoreData—creating, searching, reading, updating, deleting (move to Recently Deleted), moving notes between folders, and performing folder/account/batch/export/diagnostic operations. Uses local-only automation; no external APIs are described.

LINE Bot MCP Server

MCP server that connects AI agents to LINE's Messaging API through a LINE Official Account, enabling push/broadcast messages, rich menu management, user profile retrieval, and message quota monitoring via 11 tools.

Mailgun API

Developer-focused email sending API with powerful routing, parsing, and validation features for transactional email delivery.

wati-mcp-server

wati-mcp-server is a Python Model Context Protocol (MCP) server that integrates with the WATI WhatsApp Business API, exposing MCP tools for messaging, contacts, template/broadcast messaging, media file handling, and conversation history retrieval (with pagination/filtering), plus a demo get_weather tool.

jmap-mcp

Provides a Model Context Protocol (MCP) server exposing tools to interact with JMAP-compliant email servers for email search/retrieval, mailbox listing, message state changes (seen/flagged), moving/deleting messages, and sending/replying to emails. It is implemented in Deno using the @htunnicliff/jmap-jam client library and uses Zod for input validation.

wechat-automation-api

Provides a local Windows HTTP API (Flask) that automates WeChat UI (uiautomation) to send text and image messages, supporting batch sends and a background queue/worker, plus a separate monitor/guard process for disconnection warnings.

apple-mail-mcp

Provides an MCP server on macOS that lets AI assistants access Apple Mail via natural-language tools: read/search emails, manage folders and message state, compose/reply/forward, handle drafts and attachments, and generate basic analytics/export.

mcp-server

Provides a Model Context Protocol (MCP) server for integrating Vapi voice assistants/phone agents with MCP-capable AI clients. Exposes tools to manage Vapi assistants, create/schedule outbound calls, manage phone numbers, and manage custom tools, including an OAuth-based login/logout flow and support for connecting to a hosted remote MCP endpoint.

Slackdump

Exports and archives Slack messages, threads, files, and user data locally without requiring admin privileges. Includes an MCP server for AI agent integration with archived data.

guildbridge

GuildBridge is a remotely hosted Model Context Protocol (MCP) server for Discord, intended to let MCP clients authenticate and then access Discord guilds/channels/messages (list/search/read/send/reply) with server-side permission-aware access control. It is designed to run on Cloudflare Workers and can use Discord OAuth2 plus Cloudflare Zero Trust for protecting the admin allowlist.

outlook-mcp

outlook-mcp is an MCP server that lets AI assistants interact with Microsoft Outlook email and calendar (and optionally SharePoint files) via the Microsoft Graph API. It supports reading/searching/sending emails, managing calendar events, downloading/parsing attachments and SharePoint files, and saving large downloads to a local work directory to avoid MCP response size limits.

agentanycast

AgentAnycast is a P2P runtime (SDKs plus a local Go daemon) for connecting AI agents across networks without requiring public IPs. It provides NAT traversal, end-to-end encrypted task/message transport, peer identity (Ed25519 keys mapped to W3C DIDs), and routing by agent skill/capability via a self-hostable relay and optional mDNS discovery on LAN. It also exposes an MCP server for tool/skill interoperability and offers an HTTP bridge for HTTP-based A2A agents.

x-mcp-server

Provides a Model Context Protocol (MCP) server over stdio (stdin/stdout) that exposes X/Twitter functionality as MCP tools, including basic user lookup, tweet retrieval/search, and (per README) posting with OAuth 1.0a/Bearer-token-style configuration via environment variables.

whatsapp-mcp

An MCP server that connects to WhatsApp Web (via whatsmeow), syncs messages to a local SQLite database, and exposes WhatsApp functionality (tools/prompts/resources) to MCP-compatible AI clients over an HTTP/SSE endpoint. It supports chat listing, message retrieval with pagination/sender filtering, cross-chat search, finding chats by fuzzy name, sending messages, loading older history, and retrieving the user profile info.

Java-MCP-Server-For-SMTP-Mailing

Provides an MCP server (Java 21) that exposes an email-sending capability via an MCP tool named `send-email` and also offers REST endpoints for testing (e.g., POST `/api/test-email`) and health checks. Supports multiple transports for MCP clients (STDIO, SSE, and Streamable HTTP) and forwards email delivery to an SMTP server (Gmail SMTP supported with TLS/app passwords per the README).

bilibili-mcp

B站（Bilibili）MCP Server that exposes ~27 tools for authentication, search/collection (videos, comments, subtitles, danmaku), content posting (dynamic, video upload, opus), analytics/rankings, and messaging/interaction via MCP clients (e.g., OpenClaw, Claude Code, Cursor, Cline).

Vonage API (Nexmo)

Communications API platform (formerly Nexmo) offering SMS, voice, video, and messaging APIs for building communication features into applications.

discord-mcp-server

A Model Context Protocol (MCP) server that lets MCP-compatible clients (e.g., Claude Desktop) interact with Discord via a JSON-RPC 2.0 interface over stdio. It supports Discord bot operations such as sending and retrieving messages, getting channel info, searching messages, and moderation actions, with configurable YAML + environment overrides and options for JWT/API-key authentication.

telnyx-mcp-server-fastmcp

Provides a Telnyx Local Model Context Protocol (MCP) server (Python/fastmcp) that exposes tools for telephony (calls/DTMF/audio), messaging (SMS/MMS), phone numbers, voice connection configuration, cloud storage (S3-like buckets), embeddings-related operations, and Telnyx secrets management. Includes an optional webhook receiver with ngrok tunneling and a parent-process monitoring/cleanup behavior.

whatsapp-mcp

An MCP server that bridges an AI client (e.g., Claude Desktop/Cursor) to WhatsApp by letting the agent search contacts and chats, read message history from a local SQLite store, and send text and media via a locally running WhatsApp “bridge” (Go) and webhook forwarding for incoming messages.

agent-kit

Provides an MCP (Model Context Protocol) server that exposes email-related tools (identity/provisioning, inbox retrieval, sending/replying/forwarding, drafts, settings like auto-reply/signature/forwarding, contacts, webhooks, and usage metrics) for AI agents to manage email autonomously.

mcp-server-flomo-go

Provides a Go-based CLI tool and an MCP server for writing notes to Flomo, with support for Markdown content and comma-separated tags. Configuration is done via an environment variable pointing at a Flomo API/endpoint URL.

mastodon

Mastodon is a decentralized social networking platform (ActivityPub) that provides a server to host federated microblogging (posts, timelines, profiles, follows, likes/reblogs, etc.). The package refers to the Mastodon software/app used to run a Mastodon instance or integrate with its APIs.

gmail-mcp-server

An MCP server that connects to a user’s Gmail account (via Google OAuth) and exposes tools to send emails, read emails (and mark them as read), list unread emails, mark an email as read, move an email to trash, and open an email in a browser.

mcp-applemusic

mcp-applemusic is an experimental MCP server for macOS that controls Apple Music using AppleScript. It exposes MCP tools to play/pause/skip tracks, search the library, play a specific song, manage playlists, and return basic library statistics.

mcp-server-desktop-notify

An MCP (Model Context Protocol) server that lets an AI assistant trigger cross-platform desktop notifications on behalf of the user. It exposes tools such as basic/urgent notifications, notifications with icons and timeouts, and a richer fully customizable notification.

social-trends-mcp-server

A Python MCP server that exposes tools for retrieving and aggregating trending topics from public Reddit and Hacker News sources (plus Hacker News search), intended for AI agents to query current social/tech trends.

jike-skill

A Python CLI/SDK and Claude Code “skill” for authenticating to the Jike (即刻) service via QR login, browsing a user’s feed, searching, posting and commenting, deleting posts/comments, viewing profiles and notifications, and exporting full posting history to Markdown (optionally downloading images).

jira

Provides a Claude Code “skill” that guides an agent to manage JIRA issues, projects, workflows, and Agile/Scrum operations via the Atlassian MCP server (mcp__atlassian). It includes workflow guidance, JQL construction patterns, custom field discovery approaches, templates, and troubleshooting best practices.

mcp-discord

Provides an MCP server that exposes Discord bot capabilities (server/channel/member lookup, message read/send, reactions, and basic moderation/role management) to MCP clients such as Claude Desktop.

mcp-server-juejin

Provides an MCP server (Spring AI MCP Server, stdio mode) that lets an AI tool create article drafts and publish articles to Juejin using a user-provided Juejin login cookie. Accepts Markdown content and tags, and exposes a tool method (saveArticleToJueJin) that calls Juejin content APIs.

mcp-telegram

Provides an MCP server/CLI that connects LLM agents to Telegram via Telethon (MTProto), enabling sending/editing/deleting messages, searching dialogs, managing drafts, and downloading media through MCP tools.

openclaw-channel-dingtalk

OpenClaw channel plugin that integrates with DingTalk (企业内部机器人) using a Stream mode to receive and send messages for private chats, group chats, and @机器人, including support for multiple message types and AI/markdown reply flows.

mcp-server-csdn

Provides an MCP server (stdio and SSE modes) that exposes a tool (e.g., saveArticle) to publish Markdown articles to the CSDN platform using a configured CSDN login cookie.

sinaweibo-mcp-server

An MCP (Model Context Protocol) server that exposes Sina Weibo-related functionality to AI agents via MCP tools. It is intended to let an agent fetch or interact with Weibo data using the server’s tool interface.

mcp-wechat-server

mcp-wechat-server is an MCP (Model Context Protocol) server that enables AI agents to perform a WeChat bot flow:扫码登录、查询登录状态、长轮询获取新消息、发送文本消息，并通过打字状态工具向对方显示“正在输入...”。它还在本地持久化登录凭证与消息游标以便重启后继续运行。

confluence-mcp-server-by-cdata

Provides a local, read-only (per README) MCP server that exposes Confluence data via CData’s JDBC Driver as MCP tools. It runs as a stdio process (suitable for clients like Claude Desktop on the same machine) and supports tool-based table discovery plus SQL SELECT queries through a JSON-RPC tool interface.

workos-gmail-mcp-server

workos-gmail-mcp-server is an MCP server wrapper intended to let an AI agent interact with Gmail-related capabilities via an MCP-compatible tool interface.

rongcloud-server-mcp-python

Provides an MCP server (built with FastMCP) that integrates with RongCloud IM services to support user management, private and group messaging, group lifecycle operations (create/dismiss/join/quit), and retrieval of messages and group members.

slack-mcp-server

MCP server (Java/Spring) that exposes Slack-related tools to an agent, including posting messages, retrieving channel message history with cursor-based paging, uploading files (by path or base64), and scheduling messages for later delivery.

facebook-mcp-server

An MCP (Model Context Protocol) server that exposes Facebook Page operations as MCP tools, including posting to a page, retrieving page posts/comments, filtering negative comments by keywords, replying to comments, and deleting posts/comments using a configured Facebook Page access token and Page ID.

mcp-telegram

An MCP (Model Context Protocol) server that provides read-only access to the Telegram API (via MTProto/Telethon), exposing tools for listing dialogs (chats/channels/groups) and fetching unread messages from a given dialog.

rickjang-gmail-mcp-server

The package provides an MCP (Model Context Protocol) server that exposes Gmail-related actions/tools to AI agents, enabling programmatic access to a user’s Gmail for tasks like reading and managing email.

misskey-mcp-server

An unofficial MCP server for Misskey that currently implements only a minimal subset of MCP tools—primarily posting notes (e.g., `post_misskey_note`) and `get_misskey_user_notes`; most other listed tools are unimplemented.

tagesschau-mcp-server

Provides an MCP server that surfaces tagesschau.de news content to an MCP-capable client/agent, including retrieval of latest articles and fetching details for a specific article (by URL).

skill-email-html-mjml

A Claude Code skill that generates responsive, cross-client HTML email templates by producing MJML (MJML 4.x) and compiling it to production-ready, minified HTML suitable for Outlook and Gmail, including Outlook-specific handling (VML/ghost tables), Gmail clipping prevention, and accessibility-oriented MJML structuring.

mail-mcp-server

mail-mcp-server is a Java/Spring AI MCP Server example that exposes email-related capabilities as MCP tools (notably: find contact email by name, and send an email via Spring Boot’s mail integration). It is intended to be used by an MCP Host/Client (e.g., via Spring AI’s MCP client) to let an LLM trigger these tools.

orange-zendesk-mcp-server

MCP server for integrating with Zendesk via the Model Context Protocol, exposing Zendesk-related capabilities to AI agents.

mcp-server-slack

mcp-server-slack is an MCP (Model Context Protocol) server that integrates a client/agent with Slack, enabling the agent to perform Slack-related actions and/or fetch information via MCP tools.

applemusic-mcp-server

Provides an MCP server (in Rust) that integrates with the Apple Music API to let clients search for songs and generate deep links for songs or playlists, using Apple Developer/Apple Music API credentials provided via CLI.

zed-resend-mcp-server

Provides a Zed context-server/MCP integration that sends emails through Resend using the (unofficial) resend-mcp npm package. Configuration is done via Zed settings.json with a Resend API key and optional sender/reply-to and related email fields (recipients, CC/BCC, scheduling, and attachments, plus remote URL attachments).

outlook-mcp-server-windows-com

An MCP server package intended to provide Outlook (Microsoft) email/calendar functionality to an AI agent via the Model Context Protocol on Windows environments. (Evaluation is limited because no README/repo contents were provided in the prompt.)

voice-status-report-mcp-server

An MCP server package intended to report “voice status” (e.g., telephony/voice activity state) to an agent via the Model Context Protocol, likely by exposing one or more MCP tools for querying/updating that status.

wecom-bot-mcp-server-remotefile

An MCP server package ("wecom-bot-mcp-server-remotefile") intended to expose functionality for a WeCom (WeChat Work) bot and provide remote-file related operations via the Model Context Protocol (MCP).

zed-mcp-server-discord

Provides an MCP (Model Context Protocol) server integration for Zed that exposes Discord operations as tools (login, send/read messages, manage channels, manage forum posts, reactions, and webhook operations).

mpd-mcp-server

A Go server that bridges Music Player Daemon (MPD) to Model Context Protocol (MCP) by exposing MPD operations (playback controls, search, and playlist management) as MCP tools. Configuration is done via environment variables for the MPD host/port.

signnow-mcp-server

MCP server package intended to expose SignNow (eSignature) capabilities to AI agents via the Model Context Protocol, enabling programmatic signing/document workflows through agent tool calls.

mcp-server-csdn

An MCP server intended to automatically generate CSDN blog posts (CSDN 自动发帖).

open-im-server

Open-IM Server is an open-source instant messaging backend for developers, providing a microservices-based IM server with support for a gateway and multiple RPC services. It offers a REST API for business integrations (e.g., group creation/message pushing) and webhook callbacks around IM events, alongside an OpenIM SDK intended for client/application integration.

weibo-mcp-server

weibo-mcp-server is an MCP (Model Context Protocol) server intended to expose Weibo-related functionality to AI agents via MCP tools.

zed-mcp-server-newsnow

A Zed extension that integrates the external `newsnow-mcp-server` and exposes an MCP tool named `get_hotest_latest_news` (spelling as provided in the README).

fake-smtp-server

fake-smtp-server is a local/testing-oriented SMTP server implementation intended to accept SMTP connections and capture/handle outbound email flows without delivering real messages to the internet (i.e., a “fake” SMTP sink for development and tests).

rtv

RTV (Reddit Terminal Viewer) is a Python-based terminal UI (TUI) for browsing Reddit from the command line, including viewing submissions and expanding/collapsing comments, with optional OAuth login for authenticated actions.

voicemcpserver

MCP server package intended to expose voice-related capabilities/tools to MCP-compatible agents ("voicemcpserver"), acting as an integration layer between an agent runtime and voice features.

spotify-server

spotify-server appears to be a server that enables access to Spotify functionality (e.g., searching/reading playback/library data and/or controlling playback) via an application-facing API, acting as a middle layer between clients and Spotify’s Web API.

docker-mailserver

docker-mailserver is a Docker-based email server stack (typically Postfix/Dovecot + related components) for running an SMTP/IMAP mail server in containers, with configuration managed via environment variables and mounted volumes.

rdesktop

rdesktop is a client for connecting to Microsoft Windows Remote Desktop Protocol (RDP) servers from Unix-like systems. It provides the ability to authenticate to an RDP server and establish an interactive remote session (and related options such as display settings and device redirection, depending on build/features).

roblox-mcp-server

Provides an MCP server (built on FastMCP) intended to fetch/show Roblox friend presence (who is in-game) and enable joining friends’ games via Roblox deep links.

imap-server

IMAP server implementation that lets clients connect over IMAP to access and manage mailbox messages (e.g., listing folders, searching, reading messages, and typically supporting standard IMAP commands).

nexu

nexu is an open-source desktop client that runs an OpenClaw agent inside IM apps (WeChat, Feishu, Slack, Discord, etc.), providing a GUI to connect, chat, and manage model/provider access for the agent.

dilli-email-validation-api-server

Email Server

Email Server

Email Server

Email Server

Funding-Machine-ghl-mcp-fundingmachine

google-maps-mcp-server

Search local businesses, generate leads, and validate emails via Google Maps data

mcp-server-security-audit

Scan websites for security vulnerabilities, headers, TLS, and email security.

sachicali-discordmcp-suite

workspace-mcp

asterisk

Asterisk is an open-source communications platform for building telephony systems (e.g., PBXs and call routing). It provides core telephony switching functionality and supports integrating with SIP/telephony hardware, voicemail, IVR, conferencing, and custom dialplan logic.

mumble-server

Mumble is a self-hosted voice chat server (SIP-like VoIP for groups) that provides real-time audio conferencing with features such as positional audio, channels, and encrypted voice transport. The package “mumble-server” typically deploys the Mumble server daemon so clients can connect for voice communication.

awtrix-server

awtrix-server is a self-hostable server intended to drive AWTRIX-style LED/display devices by accepting incoming messages/commands and serving the required data to the device over the network.

chatgpt-share-server

chatgpt-share-server appears to be a server for sharing ChatGPT-like chat experiences/content (e.g., generating shareable links). Exact API behavior, endpoints, and authentication model cannot be verified from the information provided.

freetube

freetube is an open-source project that lets users view YouTube content via a privacy-focused front-end (e.g., instances/components that proxy or scrape YouTube-facing media without using official YouTube UI).

mumble-server

mumble-server is a server application for the Mumble voice chat protocol, enabling users on a network to host and manage real-time low-latency voice communication with support for positional audio and channels/roles.

syncplay-server

syncplay-server is a server component intended to coordinate video playback synchronization across multiple clients (the Syncplay project). Based on the provided prompt, no repo/README contents, API surface, or configuration details were included, so the evaluation focuses on what can be inferred from the package name and typical behavior of Syncplay-style systems, with many fields marked as unknown via conservative defaults.

openshot

OpenShot is free/open-source video editing software. It provides a GUI for creating and editing video timelines, applying effects/transitions, and exporting rendered video files.

pidgin

Pidgin is an open-source instant messaging client that supports multiple communication protocols (e.g., XMPP, IRC, and others) via plugins.

mcp-server-email

A minimal MCP server demo intended to send email (implemented in Go), but the provided repository content includes no usage documentation or interface details beyond the short description.

pokerth-server

PokerTH is an open-source multiplayer poker server (and related components) used to host Texas Hold'em games, handling game/session state, matchmaking/players, and server-side networking for poker gameplay.

xmcp-server-wxauto

xmcp-server-wxauto appears to be an MCP server package (name suggests an “xmcp” server) intended to integrate with/automate “wxauto” (likely WeChat automation). However, no README/repo details were provided here, so the exact functionality, endpoints/tools, and behavior cannot be verified from the supplied data.

altv-voice-server

altv-voice-server is a server component for the alt:V platform that provides voice communication capabilities to game clients (e.g., enabling voice channels/transport between players).

rainloop

RainLoop is a webmail client for accessing email accounts in the browser. It supports login to standard mail servers (e.g., IMAP/SMTP) and provides a UI for common email tasks such as reading, composing, replying, and managing messages.

thunderbird

Thunderbird is a desktop email client (and news/RSS client) for managing email accounts, composing/sending messages, and handling message storage and organization locally.

firefox

Mozilla Firefox web browser for accessing the public web.

ts3server

ts3server is a TypeScript/Node package for running and managing a TeamSpeak 3 (TS3) server. As a software package, it is oriented around operating a TS3 server instance (configuration, lifecycle, and communication with the server) rather than exposing a cloud API for external clients.

chat-server

chat-server is a server-side package intended to provide a chat service (i.e., accept client connections/requests and manage chat message exchange). However, no README/repository details, API surface description, or configuration/manifest contents were provided here, so specific behavior, endpoints, and protocols cannot be verified.

misaka_danmu_server

misaka_danmu_server appears to be a server component intended to receive and/or distribute “danmu” (bullet screen) style messages, likely for use with video/comment overlay systems. No repository README or manifest content was provided here, so specifics (protocols, endpoints, message format, persistence) cannot be verified.

thelounge

TheLounge (thelounge) is a self-hosted web IRC client/server that provides chat in the browser, typically used to connect users to IRC networks with features like channels/queries, notifications, and web UI access.

ascii-telnet-server

ascii-telnet-server appears to be a local/server utility that speaks the Telnet protocol and renders/serves an ASCII-style interface over that connection.

snake-server

snake-server appears to be a server implementation for the classic Snake game (likely providing a way to run/play or communicate game state over a network). However, no README/repo details were provided in the prompt, so the exact interface and capabilities cannot be confirmed.

xbmc-video-server

xbmc-video-server is a media-serving application intended to expose local video libraries to XBMC/Kodi clients over the network (typically by serving files and/or providing a discovery interface so a client can browse/play content).

ninjam-server

ninjam-server appears to be a server component for the “Ninjam” (music collaboration/jamming) protocol, enabling hosting a session and handling client connectivity/streaming for real-time collaborative audio.

wamp

wamp appears to be a library/package related to WAMP (Web Application Messaging Protocol) message routing/messaging integration, but no README/repo metadata or package manifest was provided here to confirm exact capabilities (e.g., whether it provides a client, server, router, or websocket bindings).

syncplay-server

syncplay-server is a server component intended to work with Syncplay-style clients for synchronized media playback (e.g., keeping multiple users’ video/audio in sync across a session).

rss-impact-server

Inspects and serves RSS/Feed-related content with an emphasis on measuring or highlighting the “impact” of RSS items (e.g., parsing feeds and producing an API output suitable for downstream use).

altv-voice-server

altv-voice-server appears to be a server component for voice communication in ALT:V (a multiplayer game platform). Based on the package name alone, it likely handles audio/voice transport and session coordination for clients in a game server environment.

webcord

webcord is a community project that provides Discord client functionality to the web (e.g., enabling a Discord-like experience inside a browser, typically via reverse-engineering/using unofficial web assets).

email-mcp-server

Insufficient repository information provided to determine functionality beyond the package name (email-mcp-server).

mail-gateway

No repository/README/package-manifest content was provided for mail-gateway, so the service behavior, interfaces, auth, pricing, and operational characteristics cannot be determined from observable facts.

nyancat-server

A Node.js/TypeScript server that likely serves the “nyancat” effect (commonly a terminal/browser animation/game) over a local web server or API endpoint. Based on the provided input, no README, routes, or interface details were available to confirm exact functionality.

openvidu-server-pro

openvidu-server-pro appears to be a server component related to OpenVidu/Video conferencing, intended to be run as a backend service (e.g., for managing video sessions/media processing). However, no README/repo contents were provided in the prompt, so capabilities, endpoints, and operational details cannot be verified.

pdfviewer-server

pdfviewer-server appears to be a server component for serving/displaying PDF documents in a browser. However, no README/repo contents, API contract, or manifest were provided, so the available functionality, endpoints, and operational details cannot be verified from the supplied information.

podcast-server

podcast-server appears to be a server application for hosting and serving podcast content (e.g., audio episodes and feed/API endpoints), likely designed to generate or expose an RSS/episode listing for podcast clients. However, no README/repo metadata or manifest content was provided in the prompt, so the exact functionality and endpoints cannot be confirmed.

teamfortress2

teamfortress2 refers to the Team Fortress 2 (TF2) game. In the context of a software package evaluation, it likely provides assets/mods/tools related to TF2 rather than a service/API. Without repository/manifest details, this evaluation is limited to the publicly-known nature of TF2 content and cannot confirm specific interfaces, auth, or operational behavior.

ui

“ui” is not sufficiently described in the provided input to evaluate its functionality. No README, API spec, repository metadata, or package manifest details were included, so this evaluation is based solely on the name and lacks verifiable facts about interfaces, security, pricing, or reliability.

weixin

The package name suggests a Weixin/WeChat integration, but no README, API spec, repo metadata, or manifest content was provided to verify the actual functionality, endpoints, auth model, or behavior.

xmcp-server-outlook

Not enough repository/package content was provided to determine what xmcp-server-outlook does or how it interfaces with any service.

@0xshariq/email-mcp-server

A MCP Server + CLI Tool that perform email operations

4testing-appserver-webhooks-service

4testing-appserver-webhooks-wervice

ABOVO.co — Email-to-Web Publishing

Publish content to the web by emailing POST@abovo.co. No API key, no signup. SMTP is the API.

@agguy/email-sender-mcp

MCP server for sending SMTP email notifications

aidaemon

A personal AI agent that runs as a background daemon, accessible via Telegram, Slack, or Discord, with tool use, MCP integration, and persistent memory

@aiwerk/mcp-server-imap

IMAP/SMTP MCP server for listing, reading, searching and sending email

Approval Studio

Approval Studio is an online proofing software for creative teams and everyone working with designs

@arvoretech/sendgrid-mcp

SendGrid Dynamic Templates MCP Server

Attrove

Query your users' Gmail, Slack, and Calendar with AI — Plaid for productivity apps

@automattic/mcp-context-a8c

MCP server for Automattic internal context (Linear, Slack, P2s)

beacon-app-chat-get-server

beacon-app-chat-send-server

@benbroks/slack-mcp-server

MCP server for interacting with Slack

better-email-mcp

IMAP/SMTP MCP server for Email with composite tools. Multi-account, auto-discovery.

better-telegram-mcp

Telegram MCP server — dual-mode Bot API + MTProto, 6 composite tools.

bn-slack-mcp-server

Stateless MCP Server for Slack API

bn-telegram-mcp-server

Stateless MCP Server for Telegram via TDLib

@chaindead/telegram-mcp_darwin_arm64

Telegram MCP server with API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, and handling read status.

@chaindead/telegram-mcp_linux_arm64

Telegram MCP server with API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, and handling read status.

@chaindead/telegram-mcp_windows_amd64

Telegram MCP server with API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, and handling read status.

@chaindead/telegram-mcp_windows_arm64

Telegram MCP server with API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, and handling read status.

chaprola

Serverless API backend: query, JOIN, pivot, batch ops, email, FHIR, programs via HTTP.

@chathost/mcp-darwin-arm64

chathost MCP server binary for darwin-arm64

@chathost/mcp-darwin-x64

chathost MCP server binary for darwin-x64

@chathost/mcp-dev-darwin-arm64

chathost MCP server binary for darwin-arm64

@chathost/mcp-dev-darwin-x64

chathost MCP server binary for darwin-x64

@chathost/mcp-dev-linux-x64

chathost MCP server binary for linux-x64

@chathost/mcp-dev-win-x64

chathost MCP server binary for win-x64

@chathost/mcp-linux-x64

chathost MCP server binary for linux-x64

@chathost/mcp-uat-darwin-arm64

chathost MCP server binary for darwin-arm64

@chathost/mcp-uat-darwin-x64

chathost MCP server binary for darwin-x64

@chathost/mcp-uat-linux-x64

chathost MCP server binary for linux-x64

@chathost/mcp-uat-win-x64

chathost MCP server binary for win-x64

@chathost/mcp-win-x64

chathost MCP server binary for win-x64

ChatMCP

chat_mcp_server

Chat mcp Server

@chatppt/mcp-server-chatppt

MCP server for using the Chatppt API

chat-server

chat-server

chat-server-prod

ChatSum

chatty-server

colorchat-server

Commune

Email and SMS MCP server for AI agents — 41 tools for inboxes, sending, search, and SMS.

crabtalk-outlook

Outlook MCP server for email and calendar automation via Microsoft Graph API

@ctonti/mcp-server-microsoft-graph

MCP server for Microsoft Graph API — email, files, calendar via user OAuth token

dilli-email-validation-api-server

An MCP server that provides tools to validate an email address using Dilli Email Validation API.

Discord

discord-game-server-monitor

discord-mcp-server

A Discord webhook server using MCP

DNS MCP Server

Real-time DNS security analysis — DNSSEC, email auth, and RDAP. Built for SOC investigations.

dravr-canot-server

Unified REST API + MCP server for multi-platform messaging

@dudztroyer/slack-mcp-server

MCP server for interacting with Slack

dungngo-unichat-mcp-server

Unichat MCP Server (republished for testing)

easy-email-pro-mcp

MCP server for Easy Email Pro integration guidance and Q&A

eechat

Elastic Email

email

MCP server for Blip disposable email — create inboxes, receive emails, extract OTP codes

emailbox-mcp-server

This is MCP server to work with Email Box over IMAP/SMTP with support of both STDIO and Streaming HTTP transports and support of MCP Notifications

email-cli

Agent-friendly email CLI for Resend

email-client-mcp-server

Email search and management tool using MCP protocol

Email (IMAP/SMTP)

Multi-account IMAP/SMTP email server with 22 tools for reading, sending, searching, and organizing.

email-mcp

Unified email MCP server for Gmail, Outlook, iCloud, and IMAP with batch operations

Email Send MCP

email-server

Email Server

Still WiP!

Email Server

Still WiP

Email Server

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

Email Server

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

Email Server

Still WiP

Email Server

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

email-server-prod

email-verify-mcp-server

Add your description here

essay-wechat-analysis-mcp-server-lc

Add your description here

fake-smtp-server

fake-smtp-server

fastmcp-email-server

FastMCP 邮件收发 MCP 服务器

fe-sms-server

@fkadev/prompts.chat-mcp

A MCP server for prompts.chat

Funding-Machine-ghl-mcp-fundingmachine

Automate GoHighLevel across CRM, messaging, calendars, marketing, e-commerce, and billing. Manage…

genia-mcp-server-slack

Servidor MCP para Slack integrado con GENIA

gmail

Gmail MCP server — send, read, and search email. By Strider Labs.

@godsenal7/slack-mcp

Slack MCP Server

green-whatsapp-mcp-server

MCP Server for sending messages via WhatsApp API

@hasna/emails

Email management CLI + MCP server + dashboard for Resend and AWS SES

hook0-mcp

MCP Server for Hook0 Open-Source Webhooks as a Service

iflow-mcp_amidabuddha-unichat-mcp-server

Unichat MCP Server

@iflow-mcp/amidabuddha-unichat-ts-mcp-server

Unichat MCP Server

iflow-mcp_cactusinhand_mcp-server-notify

MCP Server for system notifications with sound

iflow-mcp_cbi-mcp-server

MCP Server for interacting with ChatCBI

iflow-mcp_google-chat-mcp-server

iflow-mcp_maitreyam_gmail-mcp-server

A resilient MCP server built with fastMCP for sending emails through Gmail's SMTP server using AI agents

iflow-mcp_unichat-mcp-server

Unichat MCP Server

keenmail-mcp-server

MCP server for KeenMail API integration

kernel-module-management-webhook-server

@kevinwatt/mcp-webhook

Generic Webhook MCP Server

KeyID

Signup sessions, browser continuity, email, SMS, and OTP/TOTP infrastructure for AI agents.

koda-email

MCP server for email read/send/search via IMAP/SMTP — part of the koda ecosystem

Kognitrix AI

8 AI services via MCP: content, code, image, docs, data extraction, translation, SEO, email.

local-mcp

Connect AI to Mail, Calendar, Contacts, Teams & OneDrive on Mac. 100% local, GDPR compliant.

MailJunky

Send emails, track events, and manage contacts with MailJunky.

manychat-mcp-server

A FastMCP-based server that integrates with ManyChat to send Instagram messages and call-button actions using async APIs and secure environment-based configuration.

mareana-outlook-mcp-server

Microsoft Outlook MCP Server for sending emails with attachments via Microsoft Graph API

markov-slack-mcp

A Slack MCP server

mcpbind-email-mcp-server

MCP Server Package: email-mcp-server

mcpbind-mcp-server-email

MCP Server Package: mcp-server-email

mcp-chat-insight

MCP Chat Insight Server

mcp-chatppt

Add your description here

mcp-connect

Coze-MCP 集成工具，将 Coze 智能体集成到 MCP 平台，实现流式对话功能

mcp-dingdingbot-server

钉钉webhook MCP server

mcp-email-0306

A standard MCP server for email operations (Send/Read)

mcp-email-client

A Model Context Protocol (MCP) server for sending and receiving emails, supporting IMAP/SMTP, with display name, reply, robust error handling, and full attachment support.

mcp-email-server-fastmcp

IMAP and SMTP via MCP Server

mcp-enrichment

Multi-source entity enrichment: company data, contacts, email verification, and phone validation

@mcp_factory/telegram-mcp-server

MCP server for Telegram - read chats, send messages, manage contacts, search messages. Built-in MTProto auth with OTP verification UI.

mcp-google-email

MCP for GMail

mcp-google-gmail

MCP server for Gmail API — list, read, send, draft, label, and trash emails

mcp-gotify

MCP server for sending gotify notifications

mcp-gotify-fastmcp

MCP server for sending gotify notifications

MCP Hub — Telegram Access

Connect your AI assistant to your Telegram. Browse chats, read and summarize messages.

mcp-mailtrap

MCP server for the Mailtrap email platform — analytics, sending, contacts, sandbox

mcp-notmuch-sendmail

A MCP server that reads email with notmuch and uses sendmail for LaTeX-enhanced email composition

MCP Registry Monitor

Monitor MCP registry for new servers - Discord Slack notifications alerts

mcp-server

MCP server for Anymail Finder API - find and verify email addresses via AI assistants

mcp-server

Is a Slack bot that acts as your assistant.

mcp-server

Push notifications with personalized sounds - manage and trigger your vybits via MCP

mcp-server-email

mcp-server-send-email

mcp-server-unipile

A comprehensive MCP server for the Unipile API — 96 tools for messaging, email, calendar, LinkedIn, and more

MCP Slack

Secure read-only MCP server for Slack workspaces

mcp-slack-crunchtools

Secure read-only MCP server for Slack workspaces

mcp-slack-server

mcp-wechat-moments

MCP server for publish wechat moments

Microsoft Teams API

AI-native Microsoft Teams integration — read chats, send messages, search people

@miguelarios/email-mcp

MCP server for email via IMAP/SMTP — read, search, send, and manage emails

MisarMail

Full email marketing platform: inbox, campaigns, contacts, templates, and analytics via MCP.

mock-smtp-server

ms365-mcp-server

Microsoft 365 MCP Server for managing Microsoft 365 email through natural language interactions with full OAuth2 authentication support

mseep-cbi-mcp-server

MCP Server for interacting with ChatCBI

mseep-mcp-server-notify

MCP Server for system notifications with sound

mseep-unichat-mcp-server

Unichat MCP Server

Multi Chat MCP Server (Google Chat)

@nasmcps/bark-mcp

MCP Server for Bark push notifications

nitrosend

AI-native email marketing. Campaigns, automations, transactional, contacts, analytics via MCP.

notification-mcp-server

MCP server for sending notifications via SendGrid email and Pushover push notifications

OpenMandate

MCP server for OpenMandate — post mandates and check matches for cofounders and early teams.

oracle.oci-email-delivery-mcp-server

OCI Email Delivery MCP server

outlook-assistant

Microsoft Outlook MCP server — 21 tools for email, calendar, contacts, and mailbox management.

outlook-mcp

Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

@piyapat/msteam-mcp-server

MCP Server for sending notifications and analyzing channel messages in Microsoft Teams via Power Automate Workflow and Office365 MCP

@piyapat/office365-mcp-server

MCP server for Office 365 email - draft and send with attachments via Microsoft Graph API

pumanitro/global-chat

RacterMX

Manage RacterMX email forwarding — domains, aliases, webhooks, and more — via AI.

Rally

Tools for Go-to-market teams creating sales materials, product demos, and deal rooms for customers.

react-server-website-slackin

resend-mcp

MCP server for the Resend email API

rsocket-chat-server

rust-mcp-server-email

Creates a basic SMTP mail sender in Rust.

sachicali-discordmcp-suite

Control your Discord community: send/read messages, manage channels and forums, and handle webhook…

ScamVerify Threat Verification

AI-powered scam and threat verification for phone numbers, URLs, texts, and emails.

selvo

Help center for SaaS teams. 14-tool MCP server for articles, collections, and search.

SendGrid

sendmailsmtp

@sigmacomputing/slack-mcp-server

MCP server for interacting with Slack

@skanda-yutori/mcp-send-email

MCP server for sending emails via Resend API

slack-clone-server

slack-mcp-server

slack-mcp-server

slack-mcp-server

slack-mcp-server

The most powerful MCP Slack Server with Stdio and SSE transports, Proxy support and no permission requirements on Slack Workspace!

slack-mcp-server

Fork of korotovsky/slack-mcp-server with saved_list and saved_complete tools for Slack Save for Later

slack-mcp-server

slack-mcp-server-wrapper

ignore me, just a temp wrapper to make cmd work for a forked project, nothing to see here

sms-server

sms-server-prod

smtp24

smtp-server-for-it

smtp-server-ui

ssh_chat

Stumpy

Persistent AI agents that run 24/7 in your Slack, Telegram, SMS, or email.

talkback

Chat with your Ableton session in real-time.

task-notification-mcp-server

A MCP server to send notification when task finish

teams-mcp-server

Microsoft Teams MCP server with direct messaging support

@teamsparta/mcp-server-slack

MCP server for interacting with Slack

teamspeak3

teamspeak3-server

telegram

Telegram

telegram-notifier-mcp

MCP server for sending notifications via Telegram Bot API

Telnyx

MCP server for the Telnyx API — billing, phone numbers, and messaging

testsmtp2

torch-discord-role-manager-api

Trunk Flaky Tests

Flaky test detection, root cause analysis, and fix suggestions for development teams.

Twilio

twilio-mcp

MCP server for Twilio SMS with AI-powered conversation management

unthread-webhook-server

vigil-server

Microservices Status Page. Monitors a distributed infrastructure and sends alerts (Slack, SMS, etc.).

vocechat-server

wangamail-rs

Send email via Microsoft Graph API using app registration (client credentials)

webex-mcp-server

Go-based Model Context Protocol server enabling AI assistants to interact with Cisco Webex APIs. Features messaging tools for rooms, teams, people & webhooks.

webhook-mcp

webhook-server

webhook-server

wechat-robot-mcp-server

微信机器人MCP服务端

wework-bot-mcp-server

企业微信机器人 MCP Server - 提供企业微信消息发送、群管理等功能

whatsapp-webhook

workspace-mcp

Google Workspace MCP server for Gmail, Drive, Calendar, Docs, Sheets, Slides, Forms, Tasks, Chat.

xmpp-prosody-chat-server