Get Kp index (geomagnetic activity) data. Kp ranges from 0-9, where 0-2 is quiet, 3-4 is unsettled, 5+ indicates geomagnetic storms. High Kp values negatively affect HF propagation, especially at high latitudes.
AI agents call get_kp_index to retrieve information from NOAA Space Weather 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 real-time space weather data (Kp index) for informational purposes only. It has no capability to modify, delete, or trigger external operations. The data is read-only and used for analysis by amateur radio operators to determine optimal radio frequencies. There are no destructive, financial, or execution side effects from calling this tool.
From the tool's definition Tool name 'get_kp_index' and description explicitly describe fetching/retrieving Kp index data with no modification or side effects.
Attacks that exploit this kind of access
Get Kp index (geomagnetic activity) data. Kp ranges from 0-9, where 0-2 is quiet, 3-4 is unsettled, 5+ indicates geomagnetic storms. High Kp values negatively affect HF propagation, especially at high latitudes. It is categorised as a Read tool in the NOAA Space Weather MCP Server MCP Server, which means it retrieves data without modifying state.
Register the NOAA Space Weather MCP Server MCP server in PolicyLayer and add a rule for get_kp_index: 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 NOAA Space Weather MCP Server. Nothing to install.
get_kp_index 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_kp_index 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_kp_index. 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_kp_index is provided by the NOAA Space Weather MCP Server MCP server (numa08/noaa-space-weather-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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