Slack Fast MCP Server

Example Use Cases

• 1

  Post Slack messages and updates quickly from AI editors or terminals.

• 2

  Read Slack channel history and reply to threads programmatically.

• 3

  Add or remove emoji reactions on Slack messages.

Description

slack-fast-mcp is a lightweight MCP server designed for Slack that starts in about 10ms with no runtime dependencies, providing fast and simple integration for AI editors and CLI usage. It supports posting messages, reading channel history, replying to threads, and adding/removing emoji reactions. The tool emphasizes speed, simplicity, and developer experience with features like a setup wizard, per-project config, and cross-platform binaries.