搜索 gateway 下真实可调用的工具。返回紧凑结果：工具名、单行描述、必填参数、少量可选参数预览。
AI agents call search_gateway_tools to retrieve information from MCP Gateway without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries metadata about available gateway tools. It has no side effects—it does not create, modify, delete, or execute any operations. It is purely informational, helping users discover what tools exist and their basic properties. This is a classic Read category operation with low severity since misuse would only result in information disclosure about the tool catalog itself.
From the tool's definition Tool description states it 'searches gateway tools' and 'returns' tool names, descriptions, and parameters. The verb '搜索' (search) and the fact that it returns information about available tools without modifying anything indicates a read-only operation.
Attacks that exploit this kind of access
搜索 gateway 下真实可调用的工具。返回紧凑结果：工具名、单行描述、必填参数、少量可选参数预览。. It is categorised as a Read tool in the MCP Gateway MCP Server, which means it retrieves data without modifying state.
Register the MCP Gateway MCP server in PolicyLayer and add a rule for search_gateway_tools: 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 Gateway. Nothing to install.
search_gateway_tools 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_gateway_tools 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_gateway_tools. 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_gateway_tools is provided by the MCP Gateway MCP server (lunfengchen/gateway-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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