AI agents call cap_yoy_growth to retrieve information from Sflight without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs analytical querying over existing data to compute year-over-year statistics. It retrieves and aggregates data without creating, modifying, or deleting any records. The operation is read-only and produces no side effects. Misuse by an AI agent would at worst result in unnecessary queries, not data loss or unauthorized changes.
From the tool's definition Tool description states it 'Calculate[s] year-over-year growth for any entity. Shows count per year and % change from previous year.' The verbs 'calculate' and 'shows' indicate data retrieval and aggregation with no modification, deletion, or execution of…
Attacks that exploit this kind of access
Calculate year-over-year growth for any entity. Shows count per year and % change from previous year. It is categorised as a Read tool in the Sflight MCP Server, which means it retrieves data without modifying state.
Register the Sflight MCP server in PolicyLayer and add a rule for cap_yoy_growth: 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 Sflight. Nothing to install.
cap_yoy_growth 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 cap_yoy_growth 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 cap_yoy_growth. 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.
cap_yoy_growth is provided by the Sflight MCP server (mindsetconsulting/sflight-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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