users_channel_sections_list

Get sidebar sections and favorites (undocumented session endpoint).

SERVERSlack SOURCEkarbassi/slack-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/karbassi-slack-mcp/users-channel-sections-list.md

WHAT IT DOES

What users_channel_sections_list does on Slack

AI agents call users_channel_sections_list to retrieve information from Slack without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why users_channel_sections_list is rated Low

This tool retrieves user sidebar sections and favorites configuration—a read-only operation with no side effects. The blast radius is minimal as it only returns UI state information already accessible to the authenticated user in their Slack workspace.

From the tool's definition Tool name contains 'list' and description states 'Get sidebar sections and favorites', which retrieves data without modification. The phrase 'undocumented session endpoint' indicates it queries existing state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs users_channel_sections_list safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Slack, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For users_channel_sections_list, this is the rule to start with:

users_channel_sections_list Allowed

users_channel_sections_list is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "users_channel_sections_list": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Slack, apply this rule, and every users_channel_sections_list call is checked against it from then on.

FAQ

Questions about users_channel_sections_list

What does the users_channel_sections_list tool do? +

Get sidebar sections and favorites (undocumented session endpoint). It is categorised as a Read tool in the Slack MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on users_channel_sections_list? +

Register the Slack MCP server in PolicyLayer and add a rule for users_channel_sections_list: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Slack. Nothing to install.

What risk level is users_channel_sections_list? +

users_channel_sections_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit users_channel_sections_list? +

Yes. Add a rate_limit block to the users_channel_sections_list rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block users_channel_sections_list completely? +

Set action: deny in the PolicyLayer policy for users_channel_sections_list. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides users_channel_sections_list? +

users_channel_sections_list is provided by the Slack MCP server (karbassi/slack-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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