AI agents call prowlarr_get_indexers to retrieve information from Arr Suite MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns configuration data (list of indexers) without creating, modifying, deleting, or executing operations. It is a simple read-only data retrieval operation with minimal blast radius if misused by an AI agent, as it only exposes indexer configuration metadata.
From the tool's definition Tool name 'prowlarr_get_indexers' and description 'Get all configured indexers' indicate a retrieval operation with no modification or side effects.
Documented attack patterns abuse exactly the kind of access prowlarr_get_indexers gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Arr Suite MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for prowlarr_get_indexers:
{
"version": "1",
"default": "deny",
"tools": {
"prowlarr_get_indexers": {}
}
}prowlarr_get_indexers is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get all configured indexers. It is categorised as a Read tool in the Arr Suite MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Arr Suite MCP Server MCP server in PolicyLayer and add a rule for prowlarr_get_indexers: 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 Arr Suite MCP Server. Nothing to install.
prowlarr_get_indexers 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_indexers 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_indexers. 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_indexers is provided by the Arr Suite MCP Server MCP server (shaktech786/arr-suite-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Arr Suite MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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25 Arr Suite MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.