AI agents call overseerr_get_movie 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 information about a movie (details and availability status) from the Overseerr media server component. It performs a read-only operation that does not modify, delete, or execute any actions. The French description confirms it 'retrieves' (récupère) data rather than modifying it. No reversible writes, code execution, destructive operations, or financial transactions are involved.
From the tool's definition Tool name 'overseerr_get_movie' and description 'Récupère les détails d'un film et son statut de disponibilité' (retrieves movie details and availability status) indicate a data retrieval operation with no side effects.
Attacks that exploit this kind of access
Récupère les détails d'un film et son statut de disponibilité. 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 overseerr_get_movie: 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.
overseerr_get_movie 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 overseerr_get_movie 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 overseerr_get_movie. 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.
overseerr_get_movie 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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