AI agents call list_archive to retrieve information from Mcp 7zip without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and displays information about archive contents without creating, modifying, deleting, or executing anything. It is a straightforward read operation with minimal risk. Even if an AI agent misuses it, the worst outcome is information disclosure about archive structure, which poses low security risk.
From the tool's definition Tool name 'list_archive' and description indicating it 'lists contents of archive files' with no modification, deletion, or execution capabilities mentioned.
Attacks that exploit this kind of access
列出压缩文件中的内容（支持 7z, zip, rar, tar, gz 等格式）. It is categorised as a Read tool in the Mcp 7zip MCP Server, which means it retrieves data without modifying state.
Register the Mcp 7zip MCP server in PolicyLayer and add a rule for list_archive: 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 Mcp 7zip. Nothing to install.
list_archive 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_archive 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_archive. 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_archive is provided by the Mcp 7zip MCP server (qiuerjun/mcp-7zip-server). 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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