AI agents call bazarr_search_movie_subtitles 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.
The tool searches for movie subtitles within Bazarr (subtitle management service). This is a read operation that queries and retrieves subtitle information. No data is created, modified, deleted, or financial transactions occur. Even with an empty description, the naming pattern and sibling tools strongly indicate a retrieval function with no side effects.
From the tool's definition Tool name 'bazarr_search_movie_subtitles' and sibling tools (bazarr_get_*) indicate query/search operations.
Attacks that exploit this kind of access
bazarr_search_movie_subtitles. 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_search_movie_subtitles: 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_search_movie_subtitles 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_search_movie_subtitles 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_search_movie_subtitles. 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_search_movie_subtitles 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 →