AI agents call bazarr_get_movies_wanted 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 performs a read-only query of the Bazarr subtitle management system to list movies that lack subtitles. It retrieves information without modifying, deleting, or executing operations. The operation has no side effects and poses minimal risk if invoked by an AI agent.
From the tool's definition Tool name 'bazarr_get_movies_wanted' and description 'Liste les films avec sous-titres manquants' (List movies with missing subtitles) indicate a query/list operation that retrieves data about movies needing subtitles.
Attacks that exploit this kind of access
Liste les films avec sous-titres manquants. 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 bazarr_get_movies_wanted: 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.
bazarr_get_movies_wanted 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 bazarr_get_movies_wanted 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 bazarr_get_movies_wanted. 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.
bazarr_get_movies_wanted 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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