timeline_update_marker_custom_data

Update the custom data of a timeline marker.

SERVERDaVinci Resolve MCP SOURCEsamuelgursky/davinci-resolve-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/samuelgursky-davinci-resolve-mcp/timeline-update-marker-custom-data.md

WHAT IT DOES

What timeline_update_marker_custom_data does on DaVinci Resolve MCP

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

RISK

Why timeline_update_marker_custom_data is rated Medium

This tool modifies marker metadata within a DaVinci Resolve timeline—a reversible, non-destructive operation. It is a Write action (update) rather than Read (no side effects), Execute (triggering external operations), or Destructive (irreversible deletion).

From the tool's definition Tool name 'timeline_update_marker_custom_data' and description 'Update the custom data of a timeline marker' indicate modification of existing marker metadata in a video editing project.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs timeline_update_marker_custom_data safely

PolicyLayer is an MCP gateway: it sits between your AI agents and DaVinci Resolve MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For timeline_update_marker_custom_data, this is the rule to start with:

timeline_update_marker_custom_data Rate-limited

timeline_update_marker_custom_data 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "timeline_update_marker_custom_data": {
      "limits": [
        {
          "counter": "timeline_update_marker_custom_data_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect DaVinci Resolve MCP, apply this rule, and every timeline_update_marker_custom_data call is checked against it from then on.

FAQ

Questions about timeline_update_marker_custom_data

What does the timeline_update_marker_custom_data tool do? +

Update the custom data of a timeline marker. It is categorised as a Write tool in the DaVinci Resolve MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on timeline_update_marker_custom_data? +

Register the DaVinci Resolve MCP server in PolicyLayer and add a rule for timeline_update_marker_custom_data: 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 DaVinci Resolve MCP. Nothing to install.

What risk level is timeline_update_marker_custom_data? +

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

Can I rate-limit timeline_update_marker_custom_data? +

Yes. Add a rate_limit block to the timeline_update_marker_custom_data 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 timeline_update_marker_custom_data completely? +

Set action: deny in the PolicyLayer policy for timeline_update_marker_custom_data. 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 timeline_update_marker_custom_data? +

timeline_update_marker_custom_data is provided by the DaVinci Resolve MCP server (samuelgursky/davinci-resolve-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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