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slack-mcp-server

Active·★ 1.6k·MIT·Updated 2026-05-21
★ API Integration★ Workflow Automation

The most powerful MCP Slack Server with no permission requirements, Apps support, GovSlack, DMs, Group DMs and smart history fetch logic.

This is a feature-rich Model Context Protocol (MCP) server designed for Slack Workspaces, offering extensive functionalities for message management, user interaction, and workspace data access. It supports various transport methods and authentication modes, including a unique 'stealth mode' for operating without explicit Slack permissions.

#Slack API#Model Context Protocol#Go#Messaging Server#Workspace Integration#Real-time Communication#Data Caching
$ Install
$ git clone https://github.com/korotovsky/slack-mcp-server.git && cd slack-mcp-server && go build -o slack-mcp-server ./mcp
↗ Visit site★ GitHub
01

Features

01Stealth and OAuth Modes for Flexible Authentication
02Smart History Fetch and Efficient Unread Message Management
03Extensive Messaging and User Group Management Tools
04Enterprise Workspace Compatibility
05Support for Stdio, SSE, HTTP Transports and Proxy Settings
02

Compatibility

Slack
Platform
Verified via docs
Go
Language
Verified via docs
macOS
OS
Verified via docs
Linux
OS
Verified via docs
Windows
OS
Verified via docs
HTTP
Protocol
Verified via docs
03

Quick start

1
$ git clone https://github.com/korotovsky/slack-mcp-server.git
2
$ cd slack-mcp-server
3
$ go build -o slack-mcp-server ./mcp
04

Use cases

↳Integrating AI models or agents with Slack for contextual interactions.
↳Developing custom Slack clients or automation tools requiring deep access to workspace data.
↳Efficiently managing and auditing Slack communications, including history and unread messages.
↳Facilitating secure and flexible integration in enterprise Slack environments.
05

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Related searches

slack-mcp-server AlternativesBest Security & Safety Tools 2026Open Source Security & Safetyslack-mcp-server Tutorialslack-mcp-server Vs CompetitorsSlack APIModel Context ProtocolGo

Comments

Log in to leave a comment
  • M
    Morgan RiveraApr 27, 2026

    GovSlack support is rare and necessary for enterprise deployments.

  • B
    Blake GarciaApr 4, 2026

    Most powerful Slack MCP server available. The no-permission-requirements approach is clever.

  • C
    Casey JacksonApr 1, 2026

    No permission requirements for Slack integration is the key differentiator — no OAuth app approval needed.

  • E
    Elliot KimMar 30, 2026

    Smart history fetch logic prevents the token explosion problem with naive Slack history retrieval.

  • S
    Sam BrownFeb 28, 2026

    DMs and Group DMs coverage means full Slack workflow automation, not just channel access.

On this page
01Features02Compatibility03Quick start04Use cases05Alternatives
Stats
GitHub Stars★ 1.6k
Last commit1w ago
StatusActive
LicenseMIT
CategorySecurity & Safety
Trend (30d)
+0k↑ 1.5%
Links
Documentation↗Discussion↗Issues↗Releases↗

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