AI agents call tdarr_updater_check to retrieve information from Tdarr without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about available updates—a read-only operation with no side effects. It does not execute updates, modify configuration, delete data, or commit financial obligations. The severity is low because even if misused, checking for updates poses minimal risk to the system or data.
From the tool's definition Tool name 'tdarr_updater_check' and description 'Check if an update is available' indicate a query operation that retrieves status information without modifying any state or triggering side effects.
Attacks that exploit this kind of access
Check if an update is available. It is categorised as a Read tool in the Tdarr MCP Server, which means it retrieves data without modifying state.
Register the Tdarr MCP server in PolicyLayer and add a rule for tdarr_updater_check: 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 Tdarr. Nothing to install.
tdarr_updater_check 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 tdarr_updater_check 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 tdarr_updater_check. 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.
tdarr_updater_check is provided by the Tdarr MCP server (maximeallanic/tdarr-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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