Retrieve recent earthquakes from USGS real-time feeds with various filters
AI agents call get-usgs-earthquakes to retrieve information from Comprehensive Earthquake Monitoring 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 earthquake data from public USGS feeds with filtering options. It has no side effects, does not modify data, does not execute arbitrary code, and does not delete or create resources. The worst-case misuse would be excessive querying, which poses minimal risk. Classification as Read with low severity is appropriate.
From the tool's definition Tool name 'get-usgs-earthquakes' and description 'Retrieve recent earthquakes from USGS real-time feeds with various filters' indicate data retrieval with no modification capability.
Attacks that exploit this kind of access
Retrieve recent earthquakes from USGS real-time feeds with various filters. It is categorised as a Read tool in the Comprehensive Earthquake Monitoring MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Comprehensive Earthquake Monitoring MCP Server MCP server in PolicyLayer and add a rule for get-usgs-earthquakes: 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 Comprehensive Earthquake Monitoring MCP Server. Nothing to install.
get-usgs-earthquakes 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-usgs-earthquakes 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-usgs-earthquakes. 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-usgs-earthquakes is provided by the Comprehensive Earthquake Monitoring MCP Server MCP server (ruby0606/mcp-earthquake-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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