db_lookup_by_mode_s
AI agents call db_lookup_by_mode_s to retrieve information from Skyfly MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears to query aircraft data by Mode S identifier (a unique identifier transmitted by aircraft transponders). The name and context strongly suggest a read-only lookup operation that retrieves aircraft information without modification. While the description is empty, the naming convention and sibling tools provide sufficient context to classify this as a Read operation with high confidence.
From the tool's definition Tool name 'db_lookup_by_mode_s' indicates a database lookup operation. Mode S is a standard aircraft identification protocol.
Attacks that exploit this kind of access
db_lookup_by_mode_s. It is categorised as a Read tool in the Skyfly MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Skyfly MCP Server MCP server in PolicyLayer and add a rule for db_lookup_by_mode_s: 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 Skyfly MCP Server. Nothing to install.
db_lookup_by_mode_s 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 db_lookup_by_mode_s 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 db_lookup_by_mode_s. 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.
db_lookup_by_mode_s is provided by the Skyfly MCP Server MCP server (vog01r/skyfly-mcp). 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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