Cancel a scheduled DVR recording by subscription ID. Use get_scheduled_recordings to find the ID. This removes the recording subscription from Plex.
AI agents call cancel_recording to permanently remove resources in Plex — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool irreversibly removes a DVR recording subscription from Plex. Once cancelled, the scheduled recording is gone and cannot be undone, making this Destructive. Despite the server description claiming to be 'read-only', this tool clearly performs a destructive write operation. High severity because it permanently deletes user-configured recording schedules.
From the tool's definition 'Cancel a scheduled DVR recording', 'This removes the recording subscription from Plex'
Attacks that exploit this kind of access
Cancel a scheduled DVR recording by subscription ID. Use get_scheduled_recordings to find the ID. This removes the recording subscription from Plex. It is categorised as a Destructive tool in the Plex MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Plex MCP server in PolicyLayer and add a rule for cancel_recording: 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 Plex. Nothing to install.
cancel_recording is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the cancel_recording 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 cancel_recording. 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.
cancel_recording is provided by the Plex MCP server (x10send/plex-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
cancel_recording is one line of Plex's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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