エヴァンゲリオンの「惣流・アスカ・ラングレー」として発話を行うツール。通常会話用。
AI agents call speak_metan_aska to retrieve information from PVV MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Even though speak_metan_aska only reads data, uncontrolled read access leaks sensitive information and racks up API costs — an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
エヴァンゲリオンの「惣流・アスカ・ラングレー」として発話を行うツール。通常会話用。. It is categorised as a Read tool in the PVV MCP Server MCP Server, which means it retrieves data without modifying state.
Register the PVV MCP Server MCP server in PolicyLayer and add a rule for speak_metan_aska: 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 PVV MCP Server. Nothing to install.
speak_metan_aska is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the speak_metan_aska 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.
Set action: deny in the PolicyLayer policy for speak_metan_aska. 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.
speak_metan_aska is provided by the PVV MCP Server MCP server (lambda-tuber/pvv-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
speak_metan_aska is one line of PVV MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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