人気映画ランキングを取得します。
AI agents call get_popular_films to retrieve information from Sakila 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 pre-computed or aggregated movie popularity ranking data from the Sakila database. It performs no modifications, deletions, or external operations—purely a data query with no side effects. The low blast radius reflects that misuse would only involve reading entertainment business analytics data.
From the tool's definition Tool name 'get_popular_films' and description indicate retrieval of ranking data. The Japanese description translates to 'Get popular movie rankings,' which is a query operation.
Attacks that exploit this kind of access
人気映画ランキングを取得します。. It is categorised as a Read tool in the Sakila MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Sakila MCP Server MCP server in PolicyLayer and add a rule for get_popular_films: 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 Sakila MCP Server. Nothing to install.
get_popular_films 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_popular_films 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_popular_films. 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_popular_films is provided by the Sakila MCP Server MCP server (mo3g4u/mcp-server-sample). 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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