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.

assistantsgovslackllmmcpmcp-serverslackslack-apiCommunicationServer Implementations

Agent quality

62%

Agent quality score.

Reachable

Reputation92%

Cross-source presence, stars, and recency.

listed in multiple sources; has 1603 stars; actively maintained; credible author

Usability70%

Docs, license, auth, and clear capabilities.

Usability based on documentation, license, auth/pricing clarity, structured capabilities, and public repository presence.

Functionality45%

Predicted functionality, speed, and reliability.

Scored on specificity, consistency, reliability, speed, and scope clarity.