AI agents call usgs_recent_earthquakes to retrieve information from UnClick without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | number | — | |
period | string | — | hour, day, week, month |
minmagnitude | number | — |
Parameters from the server's own tool schema.
This tool queries and retrieves historical earthquake information from a public USGS API. It performs a read-only operation with no ability to modify, delete, or execute external operations. The data returned is informational only, posing no financial or destructive risk. Misuse by an AI agent would result in benign outcomes such as excessive API calls, not malicious data exfiltration or system compromise.
From the tool's definition Tool name 'usgs_recent_earthquakes' and description 'Get recent earthquakes from USGS' indicate retrieval of public earthquake data with no side effects.
Attacks that exploit this kind of access
Get recent earthquakes from USGS. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
usgs_recent_earthquakes accepts 3 parameters: limit, period, minmagnitude. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for usgs_recent_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 UnClick. Nothing to install.
usgs_recent_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 usgs_recent_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 usgs_recent_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.
usgs_recent_earthquakes is provided by the UnClick MCP server (@unclick/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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