anim_set_frame_range
Set the scene frame range and optionally FPS.
This record as markdown: /tools/dwgx-blender-copilot/anim-set-frame-range.md
What anim_set_frame_range does on Blender Copilot MCP Server
AI agents use anim_set_frame_range to create or update resources in Blender Copilot MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Blender Copilot MCP Server environment.
Why anim_set_frame_range is rated Medium
This tool writes/modifies scene metadata (frame range and FPS settings) rather than reading, executing arbitrary code, or deleting data. The changes are reversible by setting different values. Severity is medium because incorrect frame range settings could disrupt animation workflows or render tasks, but do not cause data loss or irreversible damage.
From the tool's definition "Set the scene frame range and optionally FPS" — this modifies scene configuration (frame range and frames-per-second) in Blender, creating reversible changes to the animation timeline properties.
Attacks that exploit this kind of access
The rule that runs anim_set_frame_range safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Blender Copilot MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For anim_set_frame_range, this is the rule to start with:
anim_set_frame_range 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 Blender Copilot MCP Server, apply this rule, and every anim_set_frame_range call is checked against it from then on.
Questions about anim_set_frame_range
Set the scene frame range and optionally FPS. It is categorised as a Write tool in the Blender Copilot MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Blender Copilot MCP Server MCP server in PolicyLayer and add a rule for anim_set_frame_range: 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 Blender Copilot MCP Server. Nothing to install.
anim_set_frame_range 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 anim_set_frame_range 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 anim_set_frame_range. 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.
anim_set_frame_range is provided by the Blender Copilot MCP Server MCP server (dwgx/blender-copilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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