MCP Guardian

A6 / fail-closed · demo-fs.read_file

默认拒绝:未匹配规则

读 /tmp/bomb-1 无规则命中。fail-closed 模式下一律 deny(批量轰炸同理)。

期望:action = deny,matched_rule_id = null

实际:action=deny · risk=100 · rule=none · status=denied

脱敏后参数(审计可见)

{
  "path": "/tmp/bomb-1"
}

Reasons

  • no rule matched; fail_closed denies