// MCP TOOL REFERENCE

SLACK TOOLS

8 tools from the Slack MCP Server, categorised by risk level.

View the Slack policy →
// ALL 8 SLACK TOOLS
READ 5 tools
Read slack_get_channel_history Get recent messages from a channel Read slack_get_thread_replies Get all replies in a message thread Read slack_get_user_profile Get detailed profile information for a specific user Read slack_get_users Get a list of all users in the workspace with their basic profile information Read slack_list_channels List public and private channels that the bot is a member of, or pre-defined channels in the workspace with...
WRITE 3 tools
Write slack_reply_to_thread Reply to a specific message thread in Slack Write slack_add_reaction Add a reaction emoji to a message Write slack_post_message Post a new message to a Slack channel or direct message to user

Route Slack through PolicyLayer and every one of its 8 tools is checked against your policy before it runs.

GOVERN SLACK →

Enforced before the call runs. Nothing to install.

// FAQ
How many tools does the Slack MCP server have? +

The Slack MCP server exposes 8 tools across 2 categories: Read, Write.

How do I enforce policies on Slack tools? +

Route the Slack server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do Slack tools fall into? +

Slack tools are categorised as Read (5), Write (3). Each category has a recommended default policy.

Enforce policy on every Slack tool call.

Deterministic rules across all 8 Slack tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

GOVERN SLACK →

Free to start. No card required.

42,500+ MCP servers and 110,000+ tools scanned and risk-classified.

// GET IN TOUCH

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