delete_clip_mattes
Delete clip mattes from a MediaPoolItem.
This record as markdown: /tools/samuelgursky-davinci-resolve-mcp/delete-clip-mattes.md
What delete_clip_mattes does on DaVinci Resolve MCP
AI agents call delete_clip_mattes to permanently remove resources in DaVinci Resolve MCP, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why delete_clip_mattes is rated Critical
This tool irreversibly removes mattes (layered visual elements) from media items in a video project. Deletion operations are categorized as Destructive. The severity is high because unintended deletion of mattes could corrupt or degrade video editing work, requiring manual restoration or project recovery. High confidence due to explicit 'delete' operation on project assets.
From the tool's definition Tool name 'delete_clip_mattes' and description 'Delete clip mattes from a MediaPoolItem' explicitly perform deletion of media assets within a video editing project.
Attacks that exploit this kind of access
The rule that runs delete_clip_mattes 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 delete_clip_mattes, this is the rule to start with:
delete_clip_mattes is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect DaVinci Resolve MCP, apply this rule, and every delete_clip_mattes call is checked against it from then on.
Questions about delete_clip_mattes
Delete clip mattes from a MediaPoolItem. It is categorised as a Destructive tool in the DaVinci Resolve MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the DaVinci Resolve MCP server in PolicyLayer and add a rule for delete_clip_mattes: 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.
delete_clip_mattes is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the delete_clip_mattes 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 delete_clip_mattes. 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.
delete_clip_mattes 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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