mio_video_merge
Merge Videos — Combine multiple videos into one file. 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-base...
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What mio_video_merge does on MiOffice — AI-Powered Workspace Studio
AI agents use mio_video_merge to create or update resources in MiOffice — AI-Powered Workspace Studio, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MiOffice — AI-Powered Workspace Studio environment.
Why mio_video_merge is rated Medium
The tool creates/writes a new merged video file from multiple source videos. This is a Write operation (creates data reversibly) rather than Read (no output modification) or Destructive (the source files are not deleted/overwritten, only combined).
From the tool's definition Tool description states 'Combine multiple videos into one file' — this creates a new output file by merging inputs. The tool performs a reversible modification operation.
Attacks that exploit this kind of access
The rule that runs mio_video_merge 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_merge, this is the rule to start with:
mio_video_merge stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. 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_merge call is checked against it from then on.
Questions about mio_video_merge
Merge Videos — Combine multiple videos into one file. 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 Write tool in the MiOffice — AI-Powered Workspace Studio MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the MiOffice — AI-Powered Workspace Studio MCP server in PolicyLayer and add a rule for mio_video_merge: 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_merge 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 mio_video_merge 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_merge. 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_merge 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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