live2d_motion · Live2d To Agent MCP: Risk & Policy

WHAT IT DOES

What live2d_motion does on Live2d To Agent

AI agents invoke live2d_motion to trigger actions in Live2d To Agent. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why live2d_motion needs a policy

This tool triggers playback of a Live2D motion/animation group on an external application. It causes a side effect (animation plays on the desktop pet), making it Execute rather than Read or Write. The blast radius is very low since it only affects a cosmetic desktop animation with no data modification or financial implications.

From the tool's definition 播放 Live2D 动作组 (Play Live2D motion group) — triggers an external operation (animation playback) on the desktop pet application

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

live2d_motion Rate-limited

live2d_motion stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "live2d_motion": {
      "limits": [
        {
          "counter": "live2d_motion_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Live2d To Agent, so you can run agents against it safely.

FAQ

Questions about live2d_motion

What does the live2d_motion tool do? +

播放 Live2D 动作组。从模型定义的动作组中选择。. It is categorised as a Execute tool in the Live2d To Agent MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on live2d_motion? +

Register the Live2d To Agent MCP server in PolicyLayer and add a rule for live2d_motion: 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 Live2d To Agent. Nothing to install.

What risk level is live2d_motion? +

live2d_motion is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit live2d_motion? +

Yes. Add a rate_limit block to the live2d_motion 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 live2d_motion completely? +

Set action: deny in the PolicyLayer policy for live2d_motion. 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 live2d_motion? +

live2d_motion is provided by the Live2d To Agent MCP server (lmy414/live2d-to-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.