jtalk22/slack-mcp-server

Overview

A session-based MCP server that connects Claude or other MCP clients to Slack for local-first workflows. It operates over HTTP with secure defaults, allowing users to interact with Slack channels, messages, and threads programmatically.

Best for

Best for
Developers who want to give Claude session-based Slack access for automation

Use cases

• Send and read Slack messages from an AI assistant
• Query Slack channel history for context-aware automation
• Trigger Slack actions based on local file or command events

How to use

Install

npx -y @jtalk22/slack-mcp --setup

Tools exposed

• workflow_kind
• incident_room
• exec_brief
• support_inbox
• product_launch_watch
• slack_health_check
• slack_token_status
• slack_refresh_tokens
• slack_list_conversations
• slack_users_info
• slack_list_users
• slack_users_search
• slack_conversations_unreads
• slack_send_message
• slack_add_reaction
• slack_remove_reaction
• slack_conversations_mark
• slack_workflow_save
• slack_workflows
• slack_smart_search

Tested with

Claude Desktop, Claude Code, Cursor, Windsurf

Notes

A session-based MCP server that connects Claude or other MCP clients to Slack for local-first workflows. It operates over HTTP with secure defaults, allowing users to interact with Slack channels, messages, and threads programmatically.

27 stars on GitHub. Last updated 2026-05-29. Licensed MIT.

Use cases

• Send and read Slack messages from an AI assistant
• Query Slack channel history for context-aware automation
• Trigger Slack actions based on local file or command events

Pros

• Local-first design keeps data on your machine
• Secure-default HTTP configuration reduces setup friction
• Straightforward integration with Claude and compatible MCP clients

Cons

• Low community adoption with only 27 stars
• Requires self-hosting and manual Slack API token setup

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.