meteo_warnings
AI agents call meteo_warnings to retrieve information from Pypi:meteoswiss without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Despite the empty description, the tool's name and server context strongly indicate it retrieves or queries weather warning data. No creation, modification, deletion, or execution capabilities are implied. The severity is low because weather warnings are read-only informational data with no financial, destructive, or side-effect implications.
From the tool's definition Tool named 'meteo_warnings' on a weather data server (MeteoSwiss) with sibling tools focused on retrieving observations, forecasts, and station data. Warnings are informational weather alerts, typically queried/retrieved rather than modified.
Attacks that exploit this kind of access
meteo_warnings. It is categorised as a Read tool in the Pypi:meteoswiss MCP Server, which means it retrieves data without modifying state.
Register the Pypi:meteoswiss MCP server in PolicyLayer and add a rule for meteo_warnings: 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 Pypi:meteoswiss. Nothing to install.
meteo_warnings 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 meteo_warnings 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 meteo_warnings. 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.
meteo_warnings is provided by the Pypi:meteoswiss MCP server (malkreide/meteoswiss-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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