SlackCAUTION

Disclaimer

This project includes code originally developed by Anthropic and released under the MIT License. Substantial modifications and new functionality have been added by For Good AI Inc. (dba Zencoder Inc.), and are licensed under the Apache License, Version 2.0.

Overview

A Model Context Protocol (MCP) server for interacting with Slack workspaces. This server provides tools to list channels, post messages, reply to threads, add reactions, get channel history, and manage users.

Available Tools

1. slack_list_channels
2. List public or pre-defined channels in the workspace
3. Optional inputs:
4. limit (number, default: 100, max: 200): Maximum number of channels to return
5. cursor (string): Pagination cursor for next page
6. Returns: List of channels with their IDs and information

1. slack_post_message
2. Post a new message to a Slack channel
3. Required inputs:
4. channel_id (string): The ID of the channel to post to
5. text (string): The message text to post
6. Returns: Message posting confirmation and timestamp

1. slack_reply_to_thread
2. Reply to a specific message thread
3. Required inputs:
4. channel_id (string): The channel containing the thread
5. thread_ts (string): Timestamp of the parent message
6. text (string): The reply text
7. Returns: Reply confirmation and timestamp

1. slack_add_reaction
2. Add an emoji reaction to a message
3. Required inputs:
4. channel_id (string): The channel containing the message
5. timestamp (string): Message timestamp to react to
6. reaction (string): Emoji name without colons
7. Returns: Reaction confirmation

1. slack_get_channel_history
2. Get recent messages from a channel
3. Required inputs:
4. channel_id (string): The channel ID
5. Optional inputs:
6. limit (number, default: 10): Numbe