Get current weather for a city using OpenWeatherMap.
AI agents call get_current_weather to retrieve information from MCP Weather SSE 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 information without creating, modifying, deleting, or executing any operations. It is a straightforward read operation with no destructive, financial, or code execution capabilities. The severity is low because misuse would only expose publicly available weather data.
From the tool's definition Tool name 'get_current_weather' and description 'Get current weather for a city' indicate a data retrieval operation.
Attacks that exploit this kind of access
Get current weather for a city using OpenWeatherMap. It is categorised as a Read tool in the MCP Weather SSE Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Weather SSE Server MCP server in PolicyLayer and add a rule for get_current_weather: 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 MCP Weather SSE Server. Nothing to install.
get_current_weather 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_current_weather 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_current_weather. 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_current_weather is provided by the MCP Weather SSE Server MCP server (tranducthai/mcp_protocol_for_llm). 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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