Slack MCP Server
Slack MCP Server is a MCP server for customer support and messaging, published by korotovsky.
Feature-rich MCP server enabling AI agents to read, search, and post messages to Slack workspaces with multiple authentication and transport options.
Is it any good?
Effectiveness · benchmark pending
We haven't benchmarked Slack MCP Server yet, so its score is provisional — computed from safety, maintenance, and documentation only, with popularity given no weight. When we benchmark it, we measure whether it produces materially better output than a frontier model alone, and that result leads the score. How we measure.
About Slack MCP Server
Description · AI-summarised from the korotovsky README
A comprehensive Model Context Protocol server for Slack workspaces that enables AI agents to interact with Slack across multiple channels, threads, and direct messages. Supports both stealth mode (no permissions required) and OAuth authentication. Includes tools for message history retrieval with smart pagination, message search with advanced filters, message posting, reactions, user group management, unread message tracking, and saved item management. Supports Stdio, SSE, and HTTP transports with proxy configuration.
Where it fits
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Install Slack MCP Server
Install
Install via MCP server
{
"mcpServers": {
"korotovsky-slack-mcp-server": {
"command": "npx",
"args": ["-y", "@korotovsky/korotovsky-slack-mcp-server"]
}
}
}Install with your AI
Zero install · paste into ChatGPT, Claude, Cursor…
Install the "Slack MCP Server" skill into my project by following all instructions at https://skillsdirectory.co/s/korotovsky-slack-mcp-server
Your assistant reads /s/korotovsky-slack-mcp-server and follows it — fetching the files from the source, placing them, and confirming before it runs anything. No account needed. How this works.
Frequently asked
FAQ
What does Slack MCP Server do?
Feature-rich MCP server enabling AI agents to read, search, and post messages to Slack workspaces with multiple authentication and transport options.
How do I install Slack MCP Server?
Slack MCP Server is a MCP server. Primary install path: { "mcpServers": { "korotovsky-slack-mcp-server": { "command": "npx", "args": ["-y", "@korotovsky/korotovsky-slack-mcp-server"] } } }
What is the Skill Score for Slack MCP Server?
Slack MCP Server has a Skill Score of 6.6/10 (Solid). It is currently a provisional score — Slack MCP Server hasn't been benchmarked yet, so it weights safety 75/100 (40%), maintenance 51/100 (30%), and documentation 72/100 (30%). Popularity carries zero weight until effectiveness is measured. See methodology.
Is Slack MCP Server free?
Slack MCP Server is published under the MIT license. See the vendor's source repository for any usage limits or paid tiers.
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Embed this score
For maintainers · always-current, links back
Put it in your README — it updates as the score changes.[](https://skillsdirectory.co/skills/korotovsky-slack-mcp-server)
<a href="https://skillsdirectory.co/skills/korotovsky-slack-mcp-server"><img src="https://skillsdirectory.co/badge/korotovsky-slack-mcp-server.svg" alt="Scored by skillsdirectory" height="28" /></a>