get_command_help
AI agents call get_command_help to retrieve information from PowerShell MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves help information about PowerShell commands, which is a read-only operation with no capability to modify, execute, or delete data. The risk profile is low because it cannot alter system state or execute arbitrary commands—it only provides documentation.
From the tool's definition Tool name 'get_command_help' indicates retrieval of help documentation for PowerShell commands. The 'get_' prefix conventionally indicates query/retrieval operations with no side effects.
Attacks that exploit this kind of access
get_command_help. It is categorised as a Read tool in the PowerShell MCP Server MCP Server, which means it retrieves data without modifying state.
Register the PowerShell MCP Server MCP server in PolicyLayer and add a rule for get_command_help: 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 PowerShell MCP Server. Nothing to install.
get_command_help 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_command_help 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_command_help. 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_command_help is provided by the PowerShell MCP Server MCP server (posidron/mcp-powershell). 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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