Add subtitle tracks to uploaded video media.
AI agents use createMediaSubtitles to create or update resources in Xdevplatform/xmcp — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Xdevplatform/xmcp environment.
This tool creates or adds new subtitle tracks to video media, which is a reversible modification of data. It does not execute arbitrary code, delete content, or involve financial transactions. The modification is reversible (subtitles can be removed or replaced), placing it in the Write category.
From the tool's definition Tool name 'createMediaSubtitles' and description 'Add subtitle tracks to uploaded video media' indicates creation of new media metadata that modifies existing content.
Attacks that exploit this kind of access
Add subtitle tracks to uploaded video media. It is categorised as a Write tool in the Xdevplatform/xmcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Xdevplatform/x MCP server in PolicyLayer and add a rule for createMediaSubtitles: 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 Xdevplatform/xmcp. Nothing to install.
createMediaSubtitles is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the createMediaSubtitles 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 createMediaSubtitles. 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.
createMediaSubtitles is provided by the Xdevplatform/x MCP server (xdevplatform/xmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
createMediaSubtitles is one line of Xdevplatform/x'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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