mio_video_extract_subtitles
Extract Subtitles — Extract embedded subtitles from MKV/MP4 video. Video And Audio Studio run — processes in the browser but uses more credits per run than the Document / Image / Scanner workspaces. Welcome credits cover a limited number of runs. Day Pass does not include this workspace. All thre...
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What mio_video_extract_subtitles does on MiOffice — AI-Powered Workspace Studio
AI agents call mio_video_extract_subtitles to retrieve information from MiOffice — AI-Powered Workspace Studio without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why mio_video_extract_subtitles is rated Low
Extracting subtitles from video files is a data retrieval operation that reads and outputs existing embedded content without side effects. No data is modified, deleted, or executed. The pricing and credit information in the description is administrative detail unrelated to the tool's risk profile. This falls squarely into the Read category.
From the tool's definition Tool name is 'mio_video_extract_subtitles' and description states it 'Extract[s] embedded subtitles from MKV/MP4 video' — this is a retrieval operation with no modification, deletion, or execution of arbitrary code.
Attacks that exploit this kind of access
The rule that runs mio_video_extract_subtitles safely
PolicyLayer is an MCP gateway: it sits between your AI agents and MiOffice — AI-Powered Workspace Studio, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For mio_video_extract_subtitles, this is the rule to start with:
mio_video_extract_subtitles is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect MiOffice — AI-Powered Workspace Studio, apply this rule, and every mio_video_extract_subtitles call is checked against it from then on.
Questions about mio_video_extract_subtitles
Extract Subtitles — Extract embedded subtitles from MKV/MP4 video. Video And Audio Studio run — processes in the browser but uses more credits per run than the Document / Image / Scanner workspaces. Welcome credits cover a limited number of runs. Day Pass does not include this workspace. All three credit-based workspaces unlock with the same one-time credit pack — there is no per-workspace subscription. See mioffice.ai/pricing for current plans. It is categorised as a Read tool in the MiOffice — AI-Powered Workspace Studio MCP Server, which means it retrieves data without modifying state.
Register the MiOffice — AI-Powered Workspace Studio MCP server in PolicyLayer and add a rule for mio_video_extract_subtitles: 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 MiOffice — AI-Powered Workspace Studio. Nothing to install.
mio_video_extract_subtitles 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 mio_video_extract_subtitles 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 mio_video_extract_subtitles. 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.
mio_video_extract_subtitles is provided by the MiOffice — AI-Powered Workspace Studio MCP server (https://mioffice.ai/api/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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