list_user_blocks

List active user blocks/groups.

SERVERComplianceCow MCP Server SOURCEcompliancecow/cow-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/compliancecow-cow-mcp/list-user-blocks.md

WHAT IT DOES

What list_user_blocks does on ComplianceCow MCP Server

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

RISK

Why list_user_blocks is rated Low

This tool retrieves information about user blocks/groups from the ComplianceCow platform without creating, modifying, deleting, or executing any actions. It is a straightforward data retrieval operation with minimal blast radius if misused—an AI agent could only view organizational structure information.

From the tool's definition Tool name 'list_user_blocks' and description 'List active user blocks/groups' indicate a query/retrieval operation with no side effects. The verb 'list' is explicitly a Read category operation per the classification rules.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_user_blocks safely

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

list_user_blocks Allowed

list_user_blocks 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": {
    "list_user_blocks": {}
  }
}

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

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

FAQ

Questions about list_user_blocks

What does the list_user_blocks tool do? +

List active user blocks/groups. It is categorised as a Read tool in the ComplianceCow MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_user_blocks? +

Register the ComplianceCow MCP Server MCP server in PolicyLayer and add a rule for list_user_blocks: 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 ComplianceCow MCP Server. Nothing to install.

What risk level is list_user_blocks? +

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

Can I rate-limit list_user_blocks? +

Yes. Add a rate_limit block to the list_user_blocks 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 list_user_blocks completely? +

Set action: deny in the PolicyLayer policy for list_user_blocks. 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 list_user_blocks? +

list_user_blocks is provided by the ComplianceCow MCP Server MCP server (compliancecow/cow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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