获取英文文献的详细信息（标题、摘要、影响因子、分区等）
AI agents call get_paper_en to retrieve information from KnowS 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 read-only retrieval of paper metadata (title, abstract, impact factor, etc.). It has no side effects, does not modify data, execute code, delete records, or move money. It is purely an informational lookup function appropriate for a medical evidence system. The low severity reflects minimal risk of misuse — an AI agent querying paper metadata poses negligible harm.
From the tool's definition Tool description (translated): 'Retrieve detailed information of English literature (title, abstract, impact factor, classification, etc.)' — retrieves and queries metadata about academic papers with no modification, deletion, or execution capability.
Attacks that exploit this kind of access
获取英文文献的详细信息（标题、摘要、影响因子、分区等）. It is categorised as a Read tool in the KnowS MCP Server MCP Server, which means it retrieves data without modifying state.
Register the KnowS MCP Server MCP server in PolicyLayer and add a rule for get_paper_en: 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 KnowS MCP Server. Nothing to install.
get_paper_en 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_paper_en 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_paper_en. 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_paper_en is provided by the KnowS MCP Server MCP server (pancrepal-xiaoyibao/mcp-knows-ai). 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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