get_historical_weather
AI agents call get_historical_weather to retrieve information from 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 historical weather information without modifying, executing code, or causing side effects. The naming convention and server context (weather data from OpenWeather API) confirm it is a data retrieval operation. Confidence is slightly reduced due to the empty description, but the name and sibling pattern provide strong evidence for the Read category.
From the tool's definition Tool name 'get_historical_weather' indicates retrieval of past weather data. The prefix 'get_' and pattern match with sibling tools (get_air_quality, get_current_weather, get_weather_forecast, get_email_by_number, get-unread-emails) all performing read-only…
Attacks that exploit this kind of access
get_historical_weather. It is categorised as a Read tool in the MCP-server MCP Server, which means it retrieves data without modifying state.
Register the MCP-server MCP server in PolicyLayer and add a rule for get_historical_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-server. Nothing to install.
get_historical_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_historical_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_historical_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_historical_weather is provided by the MCP-server MCP server (prathapmahi/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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