当你想了解有哪些表情包可用时使用。这会返回所有表情包名称列表。如果你不知道该用哪个表情包，可以先列出所有选项。
AI agents call list_memes to retrieve information from Meme MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only query operation that retrieves and displays available memes. It has no ability to create, modify, delete, or execute anything. The blast radius of misuse is minimal—an AI agent listing available memes poses no security risk. Low severity appropriate for simple data retrieval.
From the tool's definition Tool name 'list_memes' and description indicate it returns a list of available meme names without modifying data. The description states it returns 'all meme names list' (所有表情包名称列表), which is a retrieval operation with no side effects.
Attacks that exploit this kind of access
当你想了解有哪些表情包可用时使用。这会返回所有表情包名称列表。如果你不知道该用哪个表情包，可以先列出所有选项。. It is categorised as a Read tool in the Meme MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Meme MCP Server MCP server in PolicyLayer and add a rule for list_memes: 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 Meme MCP Server. Nothing to install.
list_memes 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 list_memes 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 list_memes. 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.
list_memes is provided by the Meme MCP Server MCP server (shengchao73/meme-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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