Medium Risk

set_current_scene_transition_duration

Sets the duration of the current scene transition (if supported). Args: transition_duration: Duration in milliseconds

How to control set_current_scene_transition_duration ↓

AI agents use set_current_scene_transition_duration to create or update resources in OBS MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your OBS MCP Server environment.

Medium Risk

This tool modifies OBS Studio's scene transition timing configuration, which is reversible (can be changed back). It does not execute arbitrary code, delete data, or incur financial consequences. It falls under Write category as it changes a configuration parameter.

From the tool's definition The tool name contains 'set_current_scene_transition_duration' and the description states it 'Sets the duration of the current scene transition'. The verb 'set' indicates modification of existing OBS configuration state.

Documented attack patterns abuse exactly the kind of access set_current_scene_transition_duration gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and OBS MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for set_current_scene_transition_duration:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_current_scene_transition_duration": {
      "limits": [
        {
          "counter": "set_current_scene_transition_duration_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

set_current_scene_transition_duration 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.

  1. Create a free account and register OBS MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Go deeper

What does the set_current_scene_transition_duration tool do? +

Sets the duration of the current scene transition (if supported). Args: transition_duration: Duration in milliseconds. It is categorised as a Write tool in the OBS MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_current_scene_transition_duration? +

Register the OBS MCP Server MCP server in PolicyLayer and add a rule for set_current_scene_transition_duration: 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 OBS MCP Server. Nothing to install.

What risk level is set_current_scene_transition_duration? +

set_current_scene_transition_duration is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_current_scene_transition_duration? +

Yes. Add a rate_limit block to the set_current_scene_transition_duration 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.

How do I block set_current_scene_transition_duration completely? +

Set action: deny in the PolicyLayer policy for set_current_scene_transition_duration. 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.

What MCP server provides set_current_scene_transition_duration? +

set_current_scene_transition_duration is provided by the OBS MCP Server MCP server (royshil/obs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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200 OBS MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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