slack-mcp-server and slackcli

These are competitors offering similar MCP server functionality for Slack integration, though the first provides broader feature coverage (Apps, GovSlack, group DMs) while the second positions itself specifically as a CLI-first interface for programmatic agent access.

slack-mcp-server
59
Established
slackcli
24
Experimental
Maintenance 10/25
Adoption 10/25
Maturity 15/25
Community 24/25
Maintenance 13/25
Adoption 2/25
Maturity 9/25
Community 0/25
Stars: 1,441
Forks: 258
Downloads: —
Commits (30d): 0
Language: Go
License: MIT
Stars: 2
Forks: —
Downloads: —
Commits (30d): 0
Language: Go
License: MIT
No Package No Dependents
No Package No Dependents

About slack-mcp-server

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.

About slackcli

jackchuka/slackcli

The Slack CLI and MCP server built for LLM-powered agents and programmatic access.

Related comparisons

slack-mcp-server and slack-mcp

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