AI agents call radarr_get_movies to retrieve information from Nas without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves movie metadata from a Radarr library. It performs a read-only operation with no side effects, data creation, deletion, code execution, or financial impact. The blast radius of misuse is minimal—an AI agent could only enumerate movies in the library, which poses no security or operational risk.
From the tool's definition Tool name 'radarr_get_movies' and description 'Liste tous les films de la bibliothèque Radarr avec leurs informations principales' (Lists all movies in the Radarr library with their main information) indicates retrieval of data without modification.
Attacks that exploit this kind of access
Liste tous les films de la bibliothèque Radarr avec leurs informations principales. It is categorised as a Read tool in the Nas MCP Server, which means it retrieves data without modifying state.
Register the Nas MCP server in PolicyLayer and add a rule for radarr_get_movies: 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 Nas. Nothing to install.
radarr_get_movies 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 radarr_get_movies 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 radarr_get_movies. 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.
radarr_get_movies is provided by the Nas MCP server (matthieurosset/nas-mcp-server). 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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