SHOW_USAGE · mocoVoice MCP Server MCP: Risk & Policy

WHAT IT DOES

What SHOW_USAGE does on mocoVoice MCP Server

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

WHY IT NEEDS A POLICY

Why SHOW_USAGE needs a policy

This is a read-only informational tool that provides documentation or help text about the server's features. It retrieves existing usage/help information without side effects, making it a Read category tool with low severity.

From the tool's definition Tool name 'SHOW_USAGE' and description 'mocoVoice MCP server の機能説明をする' (explains the functionality of mocoVoice MCP server) indicate this retrieves and displays informational content about the server's capabilities.

Attacks that exploit this kind of access

Questions about SHOW_USAGE

What does the SHOW_USAGE tool do? +

mocoVoice MCP server の機能説明をする. It is categorised as a Read tool in the mocoVoice MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on SHOW_USAGE? +

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

What risk level is SHOW_USAGE? +

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

Can I rate-limit SHOW_USAGE? +

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

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

SHOW_USAGE is provided by the mocoVoice MCP Server MCP server (mocomoco-inc/mocovoice-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.