list_roles

List all roles defined in CDV.

Server Cloudera Data Visualization MCP Server kevintalbert/cdv-mcp-server
Category Read
Risk class Low
Parameters 00 required

What list_roles does on Cloudera Data Visualization MCP Server

AI agents call list_roles to retrieve information from Cloudera Data Visualization MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why list_roles needs a policy

This tool performs a read-only operation that queries and returns role data from Cloudera Data Visualization. There are no side effects, no data modification, no code execution, and no destructive or financial implications. It is purely informational retrieval, which is characteristic of the Read category.

From the tool's definition Tool name 'list_roles' and description 'List all roles defined in CDV' indicate a query operation that retrieves and enumerates existing roles without modification or deletion.

Questions about list_roles

What does the list_roles tool do? +

List all roles defined in CDV. It is categorised as a Read tool in the Cloudera Data Visualization MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_roles? +

Register the Cloudera Data Visualization MCP Server MCP server in PolicyLayer and add a rule for list_roles: 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 Cloudera Data Visualization MCP Server. Nothing to install.

What risk level is list_roles? +

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

Can I rate-limit list_roles? +

Yes. Add a rate_limit block to the list_roles 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_roles completely? +

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

list_roles is provided by the Cloudera Data Visualization MCP Server MCP server (kevintalbert/cdv-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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