Get current or historical forecasted AQI values and categories for a reporting area by latitude and longitude.
AI agents call get-forecast-by-lat-long to retrieve information from AirNow 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 air quality forecast data based on geographic coordinates. It performs a read-only query operation with no side effects, no data modification, no destructive actions, and no financial transactions. The blast radius of misuse is minimal — an attacker could only exfiltrate or analyze air quality data, which is already public information from the AirNow API.
From the tool's definition Tool name includes 'get-forecast' and description states 'Get current or historical forecasted AQI values and categories' — purely retrieval operations with no modification, deletion, or execution of external commands.
Attacks that exploit this kind of access
Get current or historical forecasted AQI values and categories for a reporting area by latitude and longitude. It is categorised as a Read tool in the AirNow MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AirNow MCP Server MCP server in PolicyLayer and add a rule for get-forecast-by-lat-long: 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 AirNow MCP Server. Nothing to install.
get-forecast-by-lat-long 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-forecast-by-lat-long 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-forecast-by-lat-long. 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-forecast-by-lat-long is provided by the AirNow MCP Server MCP server (prsantos-com/airnow-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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