AI agents call sonarr_search_series to retrieve information from Homelab without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries the Sonarr media server to retrieve information about TV series. It performs a lookup operation that retrieves existing data without creating, modifying, deleting, or executing anything. The note 'Use before sonarr_add_series' further confirms this is an informational/discovery tool meant to precede write operations.
From the tool's definition Tool description states 'Search for a TV series by title. Returns TVDB IDs, overviews, and network info.' The verb 'search' and the stated return values (IDs, overviews, network info) indicate pure data retrieval with no side effects.
Attacks that exploit this kind of access
Search for a TV series by title. Returns TVDB IDs, overviews, and network info. Use before sonarr_add_series. It is categorised as a Read tool in the Homelab MCP Server, which means it retrieves data without modifying state.
Register the Homelab MCP server in PolicyLayer and add a rule for sonarr_search_series: 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 Homelab. Nothing to install.
sonarr_search_series 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 sonarr_search_series 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 sonarr_search_series. 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.
sonarr_search_series is provided by the Homelab MCP server (nainounen/homelab-mcp). 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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