検索可能な都道府県の一覧を表示します。
AI agents call list_available_prefectures to retrieve information from Connpass MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves and lists prefectures available for event search filtering. It is a query operation that returns static reference data without modifying, executing, or deleting anything. This is clearly a Read category tool with low severity since it poses minimal risk even if misused by an AI agent.
From the tool's definition Tool name 'list_available_prefectures' and description indicate it 'displays a list of searchable prefectures' (検索可能な都道府県の一覧を表示します). This is a retrieval operation with no side effects.
Attacks that exploit this kind of access
検索可能な都道府県の一覧を表示します。. It is categorised as a Read tool in the Connpass MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Connpass MCP Server MCP server in PolicyLayer and add a rule for list_available_prefectures: 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 Connpass MCP Server. Nothing to install.
list_available_prefectures 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 list_available_prefectures 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 list_available_prefectures. 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.
list_available_prefectures is provided by the Connpass MCP Server MCP server (tyukei/commpass_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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