Schema | slack-mcp-server

slack-mcp-server

Overview Schema Related Servers Score Discussions

Server Configuration

Describes the environment variables required to run the server.

Name	Required	Description
`AUTH_TOKEN`	No	Optional: Bearer token for HTTP authorization (Streamable HTTP transport only)
`SLACK_TEAM_ID`	Yes	Slack Team ID (starts with T)
`SLACK_BOT_TOKEN`	Yes	Slack Bot User OAuth Token (starts with xoxb-)
`SLACK_CHANNEL_IDS`	No	Optional: Comma-separated list of predefined channel IDs

Instructions

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Capabilities

Features and capabilities supported by this server

Protocol revision2025-11-25

Capability	Details
`tools`	{ "listChanged": true }

Tools

Functions exposed to the LLM to take actions

Name	Description
slack_list_channelsB	List public and private channels that the bot is a member of, or pre-defined channels in the workspace with pagination
slack_post_messageA	Post a new message to a Slack channel or direct message to user. Accepts both channel names (#general, general) and channel IDs (C1234567890).
slack_reply_to_threadC	Reply to a specific message thread in Slack. Accepts both channel names (#general, general) and channel IDs (C1234567890).
slack_add_reactionA	Add a reaction emoji to a message. Accepts both channel names (#general, general) and channel IDs (C1234567890).
slack_get_channel_historyA	Get recent messages from a channel. Accepts both channel names (#general, general) and channel IDs (C1234567890).
slack_get_thread_repliesA	Get all replies in a message thread. Accepts both channel names (#general, general) and channel IDs (C1234567890).
slack_get_usersA	Get a list of all users in the workspace with their basic profile information
slack_get_user_profileB	Get detailed profile information for a specific user
slack_post_markdown_messageA	Post a new message to a Slack channel or direct message with markdown formatting enabled. Accepts both channel names (#general, general) and channel IDs (C1234567890). Supports Slack's mrkdwn formatting like bold, italic, `code`, `code blocks`, >quotes, and links.
slack_reply_to_thread_markdownA	Reply to a specific message thread in Slack with markdown formatting enabled. Accepts both channel names (#general, general) and channel IDs (C1234567890). Supports Slack's mrkdwn formatting like bold, italic, `code`, `code blocks`, >quotes, and links.

Prompts

Interactive templates invoked by user choice

Name	Description
No prompts

Resources

Contextual data attached and managed by the client

Name	Description
No resources

Server Configuration
Instructions
Capabilities
Tools
Prompts
Resources

Latest Blog Posts

Who's Calling? MCP Hosts Are an Identity Blind Spot (And the Spec Knows It)
By Om-Shree-0709 on July 25, 2026.
mcp
Agent Identity
OAuth 2.1
Your AI Chatbot Just Exposed Your CEO's Salary to an Intern
By Om-Shree-0709 on July 2, 2026.
Agent Identity
MCP Security
OAuth Delegation
Why MCP Servers Need Execution Sandboxing (And Why Your Current Stack Isn't Enough)
By Om-Shree-0709 on June 30, 2026.
Agentic Ai
Prompt Injection
WebAssembly

MCP directory API

We provide all the information about MCP servers via our MCP API.

curl -X GET 'https://glama.ai/api/mcp/v1/servers/dudztroyer/slack-mcp-server'

If you have feedback or need assistance with the MCP directory API, please join our Discord server