AI agents call downloadFile to retrieve information from Mcp Ssh without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves file content from a remote system without altering, creating, or destroying data. It is a read-only operation with minimal security risk unless the file contents themselves are sensitive (which is a data classification concern, not a tool capability concern).
From the tool's definition Tool name 'downloadFile' and description 'Downloads a file from a remote server to the local machine' indicates retrieval of data with no modification or deletion of the source.
Documented attack patterns abuse exactly the kind of access downloadFile gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ssh, and nothing reaches the server without passing your rules. This is the rule we recommend for downloadFile:
{
"version": "1",
"default": "deny",
"tools": {
"downloadFile": {}
}
}downloadFile is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Downloads a file from a remote server to the local machine. It is categorised as a Read tool in the Mcp Ssh MCP Server, which means it retrieves data without modifying state.
Register the Mcp Ssh MCP server in PolicyLayer and add a rule for downloadFile: 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. Nothing to install.
downloadFile 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 downloadFile 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 downloadFile. 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.
downloadFile is provided by the Mcp Ssh MCP server (shuakami/mcp-ssh). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 23 Mcp Ssh tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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23 Mcp Ssh tools catalogued and risk-classified — across an index of 42,500+ MCP servers.