This record as markdown: /tools/keeveeg-godot-mcp/set-animation-keyframe.md
What set_animation_keyframe does on Godot
AI agents use set_animation_keyframe to create or update resources in Godot, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Godot environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
time | number | Yes | Keyframe time in seconds |
value | object | — | Keyframe value |
library | string | — | Animation library name (empty for default) |
animation | string | Yes | Animation name |
player_path | string | Yes | AnimationPlayer node path |
track_index | integer | Yes | Track index |
Parameters from the server's own tool schema.
Why set_animation_keyframe is rated Medium
This tool modifies animation tracks by setting keyframes, which is a reversible write operation. It creates or updates animation data rather than executing arbitrary code or deleting data. The severity is medium because misuse could corrupt animation sequences or timings, but changes can be undone through standard editing workflows.
From the tool's definition Tool name 'set_animation_keyframe' and description 'Set a keyframe in an animation track' indicate creation/modification of animation data within a Godot project.
Attacks that exploit this kind of access
The rule that runs set_animation_keyframe safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Godot, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_animation_keyframe, this is the rule to start with:
set_animation_keyframe 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 Godot, apply this rule, and every set_animation_keyframe call is checked against it from then on.
Questions about set_animation_keyframe
Set a keyframe in an animation track. It is categorised as a Write tool in the Godot MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
set_animation_keyframe accepts 6 parameters: time, value, library, animation, player_path, track_index. Required: time, animation, player_path, track_index. The full parameter table on this page comes from the server's own tool schema.
Register the Godot MCP server in PolicyLayer and add a rule for set_animation_keyframe: 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 Godot. Nothing to install.
set_animation_keyframe 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 set_animation_keyframe 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 set_animation_keyframe. 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.
set_animation_keyframe is provided by the Godot MCP server (@keeveeg/godot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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