Get current weather information for a specified city
AI agents call get_weather 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 retrieves weather data for a city without side effects. It does not create, modify, delete, or execute operations. The query is read-only, making it the lowest risk category. Severity is low because weather data is non-sensitive public information and misuse would not result in data loss or unauthorized changes.
From the tool's definition Tool name is 'get_weather' and description states it 'Get current weather information for a specified city' — a pure data retrieval operation with no modification, deletion, or execution of external code.
Attacks that exploit this kind of access
Get current weather information for a specified city. 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: 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 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 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. 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 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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