play_bilibili_video · xigua- MCP: Risk & Policy

WHAT IT DOES

What play_bilibili_video does on xigua-MCP

AI agents invoke play_bilibili_video to trigger actions in xigua-MCP. 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 play_bilibili_video needs a policy

This tool performs browser automation actions (search, navigate, play video, fullscreen) on an external platform. It executes operations with external side effects and keeps the browser open afterward. It falls under Execute as it triggers external browser operations whose effects depend on the arguments provided.

From the tool's definition 在B站搜索并尝试全屏播放视频（成功后浏览器保持打开）— triggers external browser operations to search and play video on Bilibili in fullscreen

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

play_bilibili_video Rate-limited

play_bilibili_video 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": {
    "play_bilibili_video": {
      "limits": [
        {
          "counter": "play_bilibili_video_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 xigua-MCP, so you can run agents against it safely.

FAQ

Questions about play_bilibili_video

What does the play_bilibili_video tool do? +

在B站搜索并尝试全屏播放视频（成功后浏览器保持打开）. It is categorised as a Execute tool in the xigua-MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on play_bilibili_video? +

Register the xigua- MCP server in PolicyLayer and add a rule for play_bilibili_video: 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 xigua-MCP. Nothing to install.

What risk level is play_bilibili_video? +

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

Can I rate-limit play_bilibili_video? +

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

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

play_bilibili_video is provided by the xigua- MCP server (xiguaxiaome/xigua-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.