東京都のWBGT（暑さ指数）予測値を取得します
AI agents call get_tokyo_wbgt_forecast to retrieve information from Tokyo WBGT MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves weather/heat index forecast data from Japan's Ministry of the Environment without side effects. It is a read-only operation that queries existing data for heat stroke prevention purposes. No creation, modification, deletion, or execution capabilities are present.
From the tool's definition Tool name 'get_tokyo_wbgt_forecast' and description indicate retrieval of forecast data ('取得します' = 'retrieve/obtain'). No parameters described that would enable modification, deletion, or execution of external code.
Attacks that exploit this kind of access
東京都のWBGT（暑さ指数）予測値を取得します. It is categorised as a Read tool in the Tokyo WBGT MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tokyo WBGT MCP Server MCP server in PolicyLayer and add a rule for get_tokyo_wbgt_forecast: 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 Tokyo WBGT MCP Server. Nothing to install.
get_tokyo_wbgt_forecast 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 get_tokyo_wbgt_forecast 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 get_tokyo_wbgt_forecast. 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.
get_tokyo_wbgt_forecast is provided by the Tokyo WBGT MCP Server MCP server (yukit7s/cc-get-wbgt). 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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