Slack MCP Server

by mintmcp

MCP server for interacting with Slack, with file upload and download tools

Node.jsstdio

context tax

pending

security

pending

cold start

pending

freshness

pending

Our reading of Slack, from the data

Slack is a communication MCP server from mintmcp.

We haven't measured its tool list yet, so its token cost is unknown.

It runs locally on your machine over stdio.

Install Slack MCP server

claude mcp add slack-mintmcp -- npx -y @mintmcp/slack-mcp-server

{
  "mcpServers": {
    "slack-mintmcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mintmcp/slack-mcp-server"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "slack-mintmcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mintmcp/slack-mcp-server"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "slack-mintmcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mintmcp/slack-mcp-server"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "slack-mintmcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mintmcp/slack-mcp-server"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Freshness

Not enough public signals yet to judge maintenance.

Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
no data · official registry

How it compares in Communication

Against the most-starred communication servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
Slack (this)	—	—	not measured	—	local
Skill Seekers	15,180	—	not measured	Active	—
Inbox Zero	12,649	—	not measured	Active	hosted
WhatsApp	6,656	—	not measured	Abandoned	—
OpenScreen	4,532	—	not measured	Active	—
Vexa	2,889	—	not measured	Active	hosted

All communication MCP servers

FAQ

›How do I install the Slack MCP server in Claude Code?

Run: claude mcp add slack-mintmcp -- npx -y @mintmcp/slack-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Slack require an API key?

No required environment variables are declared in its published metadata.

›Can I use Slack as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Slack in the official MCP registry?

No. It was indexed from npm.

Sources and method

Package registry (npm / PyPI): listed
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.