Many advanced checkers require a Discord account token ( multi-tokens ) to function, allowing them to bypass some rate limits.
Are you using it for or to claim a specific username ? Do you know if it is a Python or Go script?
Using unknown .rar or .exe files downloaded from the internet poses significant risks: discordusernamecheckermainrar work
Requires Python installed on the machine, or a compiled Go binary.
The script sends a request to the Discord API—specifically the pomelo-attempt or users/@me endpoint—to check the status of each username. Many advanced checkers require a Discord account token
DiscordUsernameCheckerMain.rar generally refers to a compressed archive containing a script (usually Python or Go) designed to automate the checking of username availability on Discord. Users looking for 3 or 4-letter usernames, or specific words, use these tools to scan thousands of possibilities quickly, rather than manually entering them into the Discord client.
For checking username availability without running potentially malicious code, users can look for open-source Python projects on GitHub with high ratings and active maintenance, or use public, web-based username checkers that do not require API tokens. Using unknown
I can then give you specific safety tips tailored to that tool. suenerve/Discord-Username-Checker - GitHub
These tools typically interact directly with the Discord API to determine if a username is taken, available, or reserved. How Does the Discord Username Checker Work?