AI agents call search_videos to retrieve information from bilibili MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves video search results from the Bilibili platform based on keyword queries. It performs a read-only operation that does not create, modify, delete, or execute any code. The search functionality is a standard information retrieval capability with no reversible or irreversible data modifications.
From the tool's definition Tool name 'search_videos' and description 'Search for videos on Bilibili' indicate a query/retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access search_videos gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and bilibili MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for search_videos:
{
"version": "1",
"default": "deny",
"tools": {
"search_videos": {}
}
}search_videos is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Search for videos on Bilibili. It is categorised as a Read tool in the bilibili MCP Server MCP Server, which means it retrieves data without modifying state.
Register the bilibili MCP Server MCP server in PolicyLayer and add a rule for search_videos: 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 bilibili MCP Server. Nothing to install.
search_videos is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the search_videos 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 search_videos. 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.
search_videos is provided by the bilibili MCP Server MCP server (wangshunnn/bilibili-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from bilibili MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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3 bilibili MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.