Schema | simple-slack-mcp-server

simple-slack-mcp-server

Describes the environment variables required to run the server.

Name	Required	Description	Default
`SLACK_BOT_TOKEN`	Yes	Slack Bot User OAuth Token

Features and capabilities supported by this server

Capability	Details
`tools`	{}

Functions exposed to the LLM to take actions

Name	Description
slack_list_channelsA	List public channels in the workspace with pagination
slack_post_messageA	Post a plain text message to a Slack channel or reply to a thread
slack_post_rich_messageA	Post a rich structured message to Slack with Block Kit support. Can post to channels or reply to threads. Supports plain text, markdown formatting, and rich Block Kit layouts with sections, images, dividers, headers, and more.
slack_add_reactionA	Add a reaction emoji to a message
slack_get_channel_historyA	Get messages from a channel in chronological order. Use this when: 1) You need the latest conversation flow without specific filters, 2) You want ALL messages including bot/automation messages, 3) You need to browse messages sequentially with pagination. Do NOT use if you have specific search criteria (user, keywords, dates) - use slack_search_messages instead.
slack_get_thread_repliesB	Get all replies in a message thread

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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