列出所有配置的服务器
AI agents call list_servers to retrieve information from MCP SSH Tools Server 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 existing server configuration information. It has no side effects, does not modify data, does not execute commands, and does not delete anything. It is a pure read operation that returns a list of configured servers, making it a Read category risk with low severity.
From the tool's definition Tool name 'list_servers' and description '列出所有配置的服务器' (list all configured servers) indicates retrieval of server configuration data without modification or execution.
Attacks that exploit this kind of access
列出所有配置的服务器. It is categorised as a Read tool in the MCP SSH Tools Server MCP Server, which means it retrieves data without modifying state.
Register the MCP SSH Tools Server MCP server in PolicyLayer and add a rule for list_servers: 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 SSH Tools Server. Nothing to install.
list_servers 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_servers 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_servers. 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_servers is provided by the MCP SSH Tools Server MCP server (nwnusun-cool/mcp-server-ssh-tools). 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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