Slack Mcp Server
by korotovsky
The most powerful MCP Slack Server with no permission requirements, Apps support, GovSlack, DMs, Group DMs and smart history fetch logic.
No known CVEs
MIT license
Actively maintained
Last commit 9d ago
Works with most clients
Transport: stdio, sse, http
4 tools · ~1.4k tok
Grade B · 0.7% of 200K ctx
Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"slack-mcp-server": {
"args": [
"-y",
"@modelcontextprotocol/inspector"
],
"command": "npx"
}
}
}Are you the author?
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[](https://mcppedia.org/s/slack-mcp-server)
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What Slack Mcp Server does
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 😏.
Test This Server
No automated test available for this server. Check the GitHub README for setup instructions.
Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
74/100across 5 weighted dimensions
0255075100
17
16
16
15
10
−26
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
No package registry to scan.
Inventory
Tools (4)
Click any tool to inspect its schema.
~1.4k tokens total
Community
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Frequently Asked Questions
- Is Slack Mcp Server safe to use?
- Slack Mcp Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
- How do I install Slack Mcp Server?
- Slack Mcp Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What can Slack Mcp Server do?
- Slack Mcp Server provides 4 tools: conversations_history, conversations_replies, conversations_add_message, conversations_search_messages. See the full tools list on the server page for descriptions and parameters.
- What AI clients work with Slack Mcp Server?
- Slack Mcp Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
- Is Slack Mcp Server actively maintained?
- Slack Mcp Server is actively maintained — last commit was 9 days ago. It has 1,691 GitHub stars.
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Community
Discussion
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