system_env_var

What system_env_var does on Container-MCP

AI agents call system_env_var to retrieve information from Container-MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why system_env_var is rated Low

Environment variable retrieval is a read operation with minimal side effects. However, confidence is reduced due to empty description—the tool could potentially modify or expose sensitive data depending on implementation. The 'system_' prefix and sibling tools (fs_read, fs_write, etc.) suggest this server provides sandboxed operations, making accidental exposure less critical than in an unrestricted environment.

From the tool's definition Tool name 'system_env_var' suggests retrieval of environment variables; no description provided to indicate modification or execution.

Risk signalsAdmin/system-level operation

The rule that runs system_env_var safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Container-MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For system_env_var, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "system_env_var": {}
  }
}

Questions about system_env_var