Slack
The most powerful MCP Slack Server with no permission requirements, Apps support, GovSlack, DMs, Group DMs and smart history fetch logic.
安装配置
暂未识别到可直接复制的 MCP 配置，请查看 GitHub README。后台管理员可以补充配置。
README 摘要
# Slack MCP Server [](https://archestra.ai/mcp-catalog/korotovsky__slack-mcp-server) Model Context Protocol (MCP) server for Slack Workspaces. The most powerful MCP Slack server — supports Stdio, SSE and HTTP transports, proxy settings, DMs, Group DMs, Smart History fetch (by date or count), may work via OAuth or in complete stealth mode with no permissions and scopes in Workspace 😏. > [!IMPORTANT] > We need your support! Each month, over 30,000 engineers visit this repository, and more than 9,000 are already using it. > > If you appreciate the work our [contributors](https://github.com/korotovsky/slack-mcp-server/graphs/contributors) have put into this project, please consider giving the repository a star. This feature-rich Slack MCP Server has: - **Stealth and OAuth Modes**: Run the server without requiring additional permissions or bot installations (stealth mode), or use secure OAuth tokens for access without needing to refresh or extract tokens from the browser (OAuth mode). - **Enterprise Workspaces Support**: Possibility to integrate with Enterprise Slack setups. - **Channel and Thread Support with `#Name` `@Lookup`**: Fetch messages from channels and threads, including activity messages, and retrieve channels using their names (e.g., #general) as well as their IDs. - **Smart History**: Fetch messages with pagination by date (d1, 7d, 1m) or message count. - **Unread Messages**: Get all unread messages across channels efficiently with priority sorting (DMs > partner channels > internal), @mention filtering, and mark-as-read support. - **Search Messages**: Search messages in channels, threads, and DMs using various filters like date, user, and content. - **Safe Message Posting**: The `conversations_add_message` tool is disabled by default for safety. Enable it via an environment variable, with optional channel restrictions. - **DM and Group DM support**: Retrieve direct messages and group direct messages. - **Embedded user information**: Embed user information in messages, for better context. - **Cache support**: Cache users and channels for faster access. - **Stdio/SSE/HTTP Transports & Proxy Support**: Use the server with any MCP client that supports Stdio, SSE or HTTP transports, and configure it to route outgoing requests through a proxy if needed. ### Analytics Demo  ### Add Message Demo  ## Tools ### 1. conversations_history: Get messages from the channel (or DM) by channel_id, the last row/column in the response is used as 'cursor' parameter for pagination if not empty - **Parameters:** - `channel_id` (string, required): - `channel_id` (string): ID of the channel in format Cxxxxxxxxxx or its name starting with `#...` or `@...` aka `#general` or `@username_dm`. - `include_activity_messages` (boolean, default: false): If true, the response will include activity messages such as `channel_join` or `channel_leave`. Default is boolean false. - `cursor` (string, optional): Cursor for pagination. Use the value of the last row and column in the response as next_cursor field returned from the previous request. - `limit` (string, default: "1d"): Limit of messages to fetch in format of maximum ranges of time (e.g. 1d - 1 day, 1w - 1 week, 30d - 30 days, 90d - 90 days which is a default limit for free tier history) or number of messages (e.g. 50). Must...
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