theHarvester

theharvester

theHarvester gathers open-source intelligence about a domain or organization from public sources.

Runs as theHarvester|macOS, Linux, Windows|github.com

Open form in Otty otty.toml

Command form

ai-draft · 1 task · 6 fields

Query public sources for hosts, emails and IPs of a domain. Active options (brute force, takeover, screenshots, vhost, API scan) are left out.

Opens the form; the finished command lands at your prompt, unrun

Run in Otty

otty gui theharvester

Gather OSINT for a domainExample values, fixed in this page — nothing here reaches a terminal

Basic

Domain or company*

string

Sources or capabilities*

string

Result limit per source

integer

Output base name

string

TasksEach one presets the form for one job

Search a domain

domainsourcelimitfilename

ParametersOnly these flags are editable in the form

Domain or company

string

--domain-d

Sources or capabilities

Comma-separated source names or capabilities.
string

--source-ballsubdomainsemailsips

Result limit per source

integer

--limit-l

Result offset

integer

--start-S

Output base name

Writes NAME.json, NAME.xml and NAME.jsonl.
string

--filename-f

Verbose

boolean

--verbose-v

SourcesEvery flag above is checked against these

src

'-d', '--domain', help='Company name or domain to search, or an explicit ASN/IP/CIDR target for --routeviews.', '-l', '--limit', help='Maximum results requested from each source that supports result limits '-S', '--start', help='Result offset for sources that support pagination (default: 0).', '-f', '--filename', help='Write NAME.json, NAME.xml, and NAME.jso…

helpmaster 2026-10

github.com

Before it fills your prompt, Otty checks the installed theHarvester against its version. A form that does not match your version is not offered.