Returns aircraft filtered by "squawk" transponder code. https://en.wikipedia.org/wiki/List_of_transponder_codes
AI agents call get_squawk to retrieve information from Adsb Lol 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 publicly available aircraft tracking information by squawk code—a standard aircraft transponder identifier. It has no side effects, does not modify data, execute code, delete records, or involve financial transactions. The operation is purely informational lookup of real-time flight data, consistent with other sibling Read tools like get_callsign and get_arrivals_by_airport.
From the tool's definition The tool name is 'get_squawk' and description states it 'Returns aircraft filtered by squawk transponder code.' This is a retrieval/query operation with no modification of data.
Attacks that exploit this kind of access
Returns aircraft filtered by "squawk" transponder code. https://en.wikipedia.org/wiki/List_of_transponder_codes. It is categorised as a Read tool in the Adsb Lol MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Adsb Lol MCP Server MCP server in PolicyLayer and add a rule for get_squawk: 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 Adsb Lol MCP Server. Nothing to install.
get_squawk 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_squawk 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_squawk. 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_squawk is provided by the Adsb Lol MCP Server MCP server (x86ed/adsb.lol-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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