AI agents call prowlarr_get_indexer 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 fetches and returns read-only information about a Prowlarr indexer configuration. It has no side effects, does not execute code or commands, does not modify data, and does not involve financial transactions. This is a standard Read operation with low security risk.
From the tool's definition Tool name 'prowlarr_get_indexer' and description 'Récupère les détails complets d'un indexeur par son ID' (Retrieves complete details of an indexer by its ID) — this is a retrieval operation that queries indexer configuration without modifying, deleting, or…
Attacks that exploit this kind of access
Récupère les détails complets d'un indexeur par son ID. 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 prowlarr_get_indexer: 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.
prowlarr_get_indexer 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 prowlarr_get_indexer 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 prowlarr_get_indexer. 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.
prowlarr_get_indexer 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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