Grow up. GMod is a 20-year-old game held together by passion. Don't be the reason a 14-year-old loses their favorite server. If you are a server owner: Patch your server. Use anti-crash addons. Ban the keywords "crasher dupe" in your chat filters. If you are just curious: Learn Lua. Learn to code your own contraptions. Build something amazing—don't destroy something someone else built.
For server administrators looking to minimize the risk of dupe exploits: gmod server crasher dupe free
: Basic dupe tools can be used to spawn a large number of props (e.g., 20+) in a single tick, causing massive lag spikes or immediate crashes. Grow up
When a server crashes, it can result in lost progress, frustrated players, and a damaged reputation for your server. Moreover, dupers can exploit bugs or vulnerabilities to create duplicate items, disrupting the in-game economy and creating an unfair advantage. If you are a server owner: Patch your server