获取 .xls 文件的元数据信息
AI agents call get_xls_metadata to retrieve information from Xls Mcp Servers without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves metadata from .xls files without modifying, deleting, or executing any operations. It is a straightforward Read category tool with low severity since metadata queries cannot cause harm even if misused by an AI agent.
From the tool's definition Tool name 'get_xls_metadata' and description 'retrieves metadata information' indicate a read-only operation. Metadata retrieval has no side effects on data.
Attacks that exploit this kind of access
获取 .xls 文件的元数据信息. It is categorised as a Read tool in the Xls Mcp Servers MCP Server, which means it retrieves data without modifying state.
Register the Xls Mcp Servers MCP server in PolicyLayer and add a rule for get_xls_metadata: 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 Xls Mcp Servers. Nothing to install.
get_xls_metadata 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 get_xls_metadata 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 get_xls_metadata. 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.
get_xls_metadata is provided by the Xls Mcp Servers MCP server (lincyghb/xls-mcp-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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