获取系统上支持的所有终端类型
AI agents call getTerminalTypes to retrieve information from Current operating environment without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves static configuration information about terminal types available on the system. It performs a simple read-only query with no side effects, no code execution, and no data modification. The blast radius of misuse is minimal—an attacker could only learn what terminal emulator types are available, which is low-severity environmental reconnaissance.
From the tool's definition Tool name is 'getTerminalTypes' and description translates to 'Get all terminal types supported on the system.' This is a getter/retrieval operation with no mutation or execution capability.
Attacks that exploit this kind of access
获取系统上支持的所有终端类型. It is categorised as a Read tool in the Current operating environment MCP Server, which means it retrieves data without modifying state.
Register the Current operating environment MCP server in PolicyLayer and add a rule for getTerminalTypes: 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 Current operating environment. Nothing to install.
getTerminalTypes 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 getTerminalTypes 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 getTerminalTypes. 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.
getTerminalTypes is provided by the Current operating environment MCP server (jackxuyi/env-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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