// MCP TOOL REFERENCE

CLAUDE SLACK TOOLS

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

// ALL 19 CLAUDE SLACK TOOLS

READ 14 tools

Read get_current_project Get information about the current project context Read get_linked_projects View which projects are linked to the current project (read-only) Read get_messages Check for new messages from your channels and DMs, or get specific messages by ID. TIP: Call this at the st... Read get_performance_stats Get performance statistics for debugging slow tool calls Read get_recent_notes Get your most recent notes Read join_channel Join a channel and receive messages from the specified channel. Read list_agents List all agents available for communication with their names and descriptions (respects project links) Read list_channel_members List all members of a specific channel, including their permissions and join information Read list_channels List all channels you could join (shows which ones you Read list_my_channels List only the channels you Read list_projects List all known projects Read peek_agent_notes Peek at another agent Read search_messages Search messages across channels and DMs Read search_my_notes Search your own notes by content or tags

WRITE 5 tools

Write leave_channel Leave a channel. You will no longer recieve messages from this channel. Write create_channel Create a new channel for topic-based discussions Write send_channel_message Send a message to a channel (only agents who are members of this channel will receive it) Write send_direct_message Send a private message to another agent Write write_note Save a note for your future self - findings, solutions, gotchas, etc. TIP: Write notes after completing tas...

// FAQ

How many tools does the Claude Slack MCP server have? +

The Claude Slack MCP server exposes 19 tools across 2 categories: Read, Write.

How do I enforce policies on Claude Slack tools? +

Route the Claude 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 Claude Slack tools fall into? +

Claude Slack tools are categorised as Read (14), Write (5). Each category has a recommended default policy.

Enforce policy on every Claude Slack tool call.

Start from Claude Slack, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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