Slack Notifications Skill

Overview

This skill provides Slack API operations with progressive disclosure for optimal context usage.

Context Savings: ~90% reduction

• MCP Mode: ~15,000 tokens always loaded (30+ tools)
• Skill Mode: ~500 tokens metadata + on-demand loading

Requirements

• SLACK_BOT_TOKEN environment variable (required)
• SLACK_SIGNING_SECRET environment variable (optional, for event verification)
• SLACK_APP_TOKEN environment variable (optional, for Socket Mode)

Setting up Slack Bot Token