Find national parks based on criteria such as keyword search, state, activities, or amenities
AI agents call findParks to retrieve information from NPS Explorer MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only search query against park data. It retrieves information based on user-provided search criteria (keywords, state, activities, amenities) but does not create, modify, delete, or execute any operations. The blast radius of misuse is minimal—incorrect search queries return irrelevant results at worst. No financial, destructive, or code execution implications.
From the tool's definition Tool name 'findParks' and description 'Find national parks based on criteria such as keyword search, state, activities, or amenities' indicates a search/query operation that retrieves public park information without modifying data or triggering external…
Attacks that exploit this kind of access
Find national parks based on criteria such as keyword search, state, activities, or amenities. It is categorised as a Read tool in the NPS Explorer MCP Server MCP Server, which means it retrieves data without modifying state.
Register the NPS Explorer MCP Server MCP server in PolicyLayer and add a rule for findParks: 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 NPS Explorer MCP Server. Nothing to install.
findParks 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 findParks 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 findParks. 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.
findParks is provided by the NPS Explorer MCP Server MCP server (kyle-ski/nps-explorer-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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