Get file information (size, permissions, etc.)
AI agents call ssh_file_info to retrieve information from SSH MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries file properties on a remote system via SSH, returning information only. It has no side effects, does not execute commands, modify data, or trigger external operations. While it operates over SSH (which could theoretically provide reconnaissance for a compromised agent), the tool itself is purely informational and poses minimal direct risk.
From the tool's definition Tool name 'ssh_file_info' and description 'Get file information (size, permissions, etc.)' indicate retrieval of metadata without modification or execution.
Attacks that exploit this kind of access
Get file information (size, permissions, etc.). It is categorised as a Read tool in the SSH MCP Server MCP Server, which means it retrieves data without modifying state.
Register the SSH MCP Server MCP server in PolicyLayer and add a rule for ssh_file_info: 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 SSH MCP Server. Nothing to install.
ssh_file_info 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 ssh_file_info 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 ssh_file_info. 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.
ssh_file_info is provided by the SSH MCP Server MCP server (widjis/mcp-ssh). 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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