Command reference

Every command, what each one takes, what comes back, and what the result actually means.

16 commands / type / in any server, DM or group chat

Goldberg is a user app, so the commands live on your account rather than in a server. Once installed, type / anywhere you can send a message and the commands are there, including in servers that have never heard of it.

Every command queries public sources live and replies inline. Nothing is stored after the reply is sent.

/username

People

Searches for a username across multiple sites and reports where an account under that name exists.

Input
A username.
Returns
The sites where the handle resolves to a live profile, with links, and the ones that came back empty.
Worth knowing
  • A hit means a profile with that name exists, not that the same person owns every match.
  • Some sites block automated checks, so an absent result is not proof of absence.
  • Nothing is sent to the profile owner. No follow, no view, no notification.

/email

People

Searches for an email address across multiple sites and services.

Input
A full email address.
Returns
The sites and services where the address resolves to an account.
Worth knowing
  • Run it on your own addresses to see what a stranger could learn from one of them.
  • The address is sent to each service checked. See the privacy policy for what that means.

/databreach

Breaches and passwords

Checks a username or email for infostealer and credential exposure in known breach data.

Input
A username or an email address.
Returns
The breaches and infostealer logs the identifier appears in, with what each is known to have exposed.
Worth knowing
  • Exposure means a credential leaked at some point, not that an account is compromised today.
  • Treat any password reused since an incident as burned. Rotate it and turn on two-factor.
  • Absence from the index is not a clean bill of health. Many breaches were never indexed.

/password

Breaches and passwords

Checks how many times a password has appeared in known breaches.

Input
A password.
Returns
The number of times the password has been seen in breach corpora.
Worth knowing
  • A non-zero count means the password is in attackers' wordlists. Stop using it everywhere.
  • Check passwords you are considering, not ones you actively rely on, and change any that show up.

/passwordguess

Breaches and passwords

Generates common password suggestions from personal details, using the CUPP approach.

Input
Personal details the profiler builds candidates from, such as names, dates, and keywords.
Returns
A list of likely password candidates derived from those inputs.
Worth knowing
  • This is a security-testing tool. Use it to audit the strength of your own passwords or in an authorized engagement.
  • Using it to guess someone else's password without authorization is prohibited and may be illegal.

/discord-lookup

Discord

Resolves a Discord user ID and searches for likely username matches elsewhere.

Input
A Discord user ID. Enable Developer Mode in Discord to copy one.
Returns
The account the ID belongs to, plus likely matches for that username on other sites.
Worth knowing
  • Cross-site matches are suggestions, not confirmations. Same handle does not mean same person.
  • Only public account information is used.

/discordinfo

Discord

Looks up a Discord account's age, badges, and mutual servers.

Input
A Discord user, mentioned or given as an ID.
Returns
The account creation date and age, the badges on the profile, and the servers you share with it.
Worth knowing
  • Account age is the strongest single signal when screening a suspicious join.
  • Mutual servers reflect your own visibility, not a global view.

/instagram

Accounts

Runs a lookup against an Instagram account.

Input
An Instagram handle, with or without the leading @.
Returns
The public profile information the account exposes.
Worth knowing
  • Private accounts return only what Instagram shows publicly.
  • Read-only. The account is not followed, messaged, or notified.

/tiktok

Accounts

Looks up a TikTok account's profile.

Input
A TikTok handle.
Returns
The public profile information the account exposes.
Worth knowing
  • Read-only. Only public profile data is returned.

/roblox

Accounts

Looks up a Roblox account's profile.

Input
A Roblox username.
Returns
The public profile details for the account.
Worth knowing
  • Read-only. Only public profile data is returned.

/minecraft

Accounts

Looks up a Minecraft account's UUID and renders its current skin.

Input
A Minecraft Java Edition username.
Returns
The account UUID in dashed and undashed form, and a render of the current skin.
Worth knowing
  • UUIDs are stable across name changes, so this is the reliable way to identify an account for whitelists and bans.
  • Java Edition accounts only. Bedrock uses a different identifier scheme.

/netlookup

Network

Geolocates an IP address, or looks up WHOIS and geolocation for a domain.

Input
An IP address or a domain name. A full URL is accepted for domains.
Returns
For a domain, registrar and registration records plus host geolocation. For an IP, its geolocation and network.
Worth knowing
  • A domain registered days ago behind privacy protection is a common phishing signature. Check the creation date first.
  • Most registrars redact registrant contact details under GDPR, so expect those to be withheld.
  • Geolocation reflects where the host sits, not where the operator is.

/imagecheck

Utility

Checks an image for QR codes, where else it appears online, and how likely it is to be AI-generated.

Input
An image attachment.
Returns
Any QR codes found and decoded, reverse-image matches showing where else it appears, and an AI-generation likelihood estimate.
Worth knowing
  • Decoding a QR code is not the same as visiting it. Read the destination before you open it.
  • The AI-generation likelihood is an estimate, not a verdict. Treat it as a signal, not proof.

/projectrework

Utility

Runs the prototype content-based site checker.

Input
The target the prototype checker accepts.
Returns
The prototype's assessment of the target.
Worth knowing
  • This is an experimental prototype. Its behaviour and output may change or be removed.

/info

Utility

Shows the app's rules and support information.

Input
None.
Returns
The usage rules and where to get help.
Worth knowing
  • A quick way to reread the rules before you run a lookup.

/ping

Utility

Checks the app's current response latency.

Input
None.
Returns
The round-trip time for the app to respond.
Worth knowing
  • Use it to tell a slow lookup apart from an app that is not responding at all.

Before you run one

These commands are for auditing your own footprint and for authorized work. Do not use them to stalk, harass, or track anyone without their consent. Breaking the rules can get your access revoked. The terms of service set out what you agree to.