The Danger Room is a training center for web services to hone their HTTP request skills. It includes alien Shi'ar proxy technology, creating the ultimate SOA simulator.
The bin/danger server exposes a JSON API that lets you setup harnesses on
paths.
PUT /~danger/foo
Content-Type: application/vnd.danger-room.limiting-harness+json
{
"target": "https://website.com/to/proxy",
"harness": {
"response_size_limit": 500
}
}