AI agents call overseerr_discover_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 retrieves and searches for movie recommendations and metadata. It performs no write operations, does not execute code or external commands, and does not delete or move data. The 'discover' function is a read-only operation that returns filtered movie suggestions. No side effects are expected from normal use.
From the tool's definition Tool name 'overseerr_discover_movies' and description 'Découvre des films populaires, optionnellement filtrés par genre' (Discover popular movies, optionally filtered by genre) indicate a query/discovery operation that retrieves movie data without modifying…
Attacks that exploit this kind of access
Découvre des films populaires, optionnellement filtrés par genre. 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_discover_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.
overseerr_discover_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 overseerr_discover_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 overseerr_discover_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.
overseerr_discover_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.
Teams ship this data inside their own products. See what a licence covers →