get_workspaces_basic_info

THE RISK

Low Risk

Why get_workspaces_basic_info needs a policy

This tool retrieves read-only information about a workspace. The verb 'Get' and the absence of any language about modification, deletion, or execution indicates a simple data retrieval operation. Basic info queries are non-destructive and have minimal blast radius even if misused.

From the tool's definition Tool name 'get_workspaces_basic_info' and description 'Get basic information about a workspace' indicate retrieval of workspace metadata with no modification or side effects.

Documented attack patterns abuse exactly the kind of access get_workspaces_basic_info gives an agent:

POLICY

How to control get_workspaces_basic_info

PolicyLayer is an MCP gateway — it sits between your AI agents and Carbon Voice, and nothing reaches the server without passing your rules. This is the rule we recommend for get_workspaces_basic_info:

policy.json

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

get_workspaces_basic_info is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Carbon Voice — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_workspaces_basic_info

What does the get_workspaces_basic_info tool do? +

Get basic information about a workspace. It is categorised as a Read tool in the Carbon Voice MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_workspaces_basic_info? +

Register the Carbon Voice MCP server in PolicyLayer and add a rule for get_workspaces_basic_info: 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 Carbon Voice. Nothing to install.

What risk level is get_workspaces_basic_info? +

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

Can I rate-limit get_workspaces_basic_info? +

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

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

get_workspaces_basic_info is provided by the Carbon Voice MCP server (phononx/cv-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Carbon Voice tool call.

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

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