MCP Servers

Slack MCP

★ 1,700

Community Slack MCP server for reading, sending, searching, and managing Slack workspace messages and channels from MCP-compatible AI assistants.

OpenTabs

★ 834

Plugin-based MCP server that gives AI agents access to web applications through the user's authenticated browser session. Chrome extension with 100+ plugins for Slack, Discord, GitHub, Reddit, and more.

Beever Atlas

★ 388

Open-source LLM knowledge base that turns team chat (Slack, Discord, Teams, Mattermost) into a typed knowledge graph and auto-generated wiki, exposed via a 28-tool MCP server.

Graphlit

★ 374

Ingest anything from Slack to Gmail to podcast feeds, in addition to web crawling, into a searchable Graphlit project.

Slack MCP Client in Go

★ 171

A Slack bot client that bridges Slack and Model Context Protocol (MCP) servers, enabling LLMs to use MCP tools.

Slack MCP Server

★ 28

Access Slack DMs, channels, and messages from Claude. Browser token auth - no OAuth needed.

Slack

★ 28

An MCP server for interacting with the Slack API, allowing for sending messages, managing channels, and other workspace actions.

MCP Notify

★ 27

Monitor the Model Context Protocol (MCP) Registry for new, updated, and removed servers. Get real-time notifications via Discord, Slack, Email, Telegram, Microsoft Teams, Webhooks, or RSS feeds. Includes CLI, Go SDK, REST API, and MCP server for AI assistants.

Slack

★ 25

Interact with Slack workspaces, enabling message sending, channel management, and user interactions.

Local MCP (LMCP)

★ 23

143 local tools for Claude, Cursor & ChatGPT — Mail, iMessage, Teams, Slack, WhatsApp & files. 100% local, no API keys.

SuprSend MCP Server

★ 12

Manage notification workflows, users, preferences, and tenant branding via natural language. Trigger email, SMS, push, WhatsApp, Slack, and in-app notifications from Cursor, Claude Desktop, or Windsurf using 24 tools.

Slack User

★ 11

Interact with Slack workspaces as a user via the Slack API.

Brainstorm MCP

★ 7

Slack for AI agents - a local service where agents can join projects, message each other, and share resources in a structured workspace

Human-in-the-Loop Slack MCP Server

★ 6

Allows AI assistants to request information and receive responses from humans via Slack.

Lassare

★ 5

Your AI coding agent asks you questions and requests approvals via Slack — so you can respond from your phone, while AFK

MCP Server Notifier

★ 4

A lightweight notification service that sends webhooks for completed MCP tasks to providers like Discord, Slack, and Teams.

Slack Search

★ 4

Search for messages and files within a Slack workspace using the Slack API.

Memxus

★ 2

One memory. Every AI. Nothing to install. Memxus works across Claude, ChatGPT, Cursor and Slack — and any app your team uses that needs to remember (Notion, Linear/Jira, Gmail, Salesforce/HubSpot, Intercom, Zendesk, Google Drive, Confluence, GitHub). No extension, no local setup, no repeated context. Save once. Remember everywhere.

Slack Notification

★ 2

Send notifications to Slack channels using webhook URLs.

ActionKit MCP Starter

★ 1

A demonstration server for ActionKit, providing access to Slack actions via Claude Desktop.

Zero‑Exposure Slack Sender (MGC Secure Edition)

★ 1

Send Slack messages securely using MGC Blackbox. No plaintext credentials, no leaks.

Slack Webhook

★ 1

Post messages to Slack channels using incoming webhooks.

devrecall

★ 1

Local-first developer activity aggregator — Git, PRs, Jira, Confluence, Slack, Calendar — exposed as an MCP server so coding agents can search and cite past work

Claude MCP Slack

★ 1

A GitHub Action that functions as a Slack MCP server, enabling secure image downloads and integrations with Slack.

notifyhub

Unified notification MCP server with 36 tools to send messages across 23 channels — Email, SMS, Slack, Telegram, Discord, Teams, WhatsApp, Firebase Push, and more.

Rememberizer Common Knowledge

Access personal and team knowledge repositories, including documents and Slack discussions.

Salesforce MCP Server - Enhanced Edition

A Salesforce MCP server with automatic integrations for services such as WhatsApp, Slack, email, and custom webhooks.

CData Slack MCP Server

A read-only MCP server for Slack by CData, enabling LLMs to query live Slack data. Requires the CData JDBC Driver for Slack.

datavessel

Hosted MCP server that gives AI agents read and write access to your full marketing & ecommerce stack — Google Analytics, Search Console, Google & Meta Ads, Shopify, WooCommerce, Shopware, Slack and LinkedIn. 100+ tools across 10 connectors. BYOK, OAuth 2.1 with dynamic client registration.

mcpgate

Self-hosted MCP gateway that connects Claude, ChatGPT, and other AI agents to 20+ enterprise tools (GitLab, Jira, Notion, Google Workspace, Slack, Grafana, …) with OAuth, audit logs, and zero data leaving your infrastructure.