Get weather information for multiple cities at once
AI agents call get_weather_batch to retrieve information from Weather Info MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries weather data for multiple cities without modifying, deleting, executing code, or performing financial operations. It is a straightforward data retrieval operation, analogous to a search or fetch. The low severity reflects minimal risk—misuse would only result in retrieving weather information, with no impact on system integrity or user data.
From the tool's definition Tool name 'get_weather_batch' and description 'Get weather information for multiple cities at once' indicate a read-only retrieval operation with no side effects.
Attacks that exploit this kind of access
Get weather information for multiple cities at once. It is categorised as a Read tool in the Weather Info MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Weather Info MCP Server MCP server in PolicyLayer and add a rule for get_weather_batch: 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 Weather Info MCP Server. Nothing to install.
get_weather_batch 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_weather_batch 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_weather_batch. 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_weather_batch is provided by the Weather Info MCP Server MCP server (raffay0177/mcp-server-using-fast-mcp). 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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