korotovsky/slack-mcp-server
The most powerful MCP Slack Server with no permission requirements, Apps support, GovSlack, DMs, Group DMs and smart history fetch logic.
Implements MCP server with dual authentication modes—stealth (no permissions) and OAuth—supporting multiple transport protocols (Stdio, SSE, HTTP) with proxy configuration. Provides intelligent message fetching via flexible pagination (time ranges like "7d" or message counts), unified search across channels/threads/DMs with embedded user context, and optional message posting with granular channel restrictions. Built on Slack's Web API with caching and enterprise workspace support.
1,441 stars.
Stars
1,441
Forks
258
Language
Go
License
MIT
Category
Last pushed
Mar 05, 2026
Commits (30d)
0
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Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.
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