github.com/alecthomas/kong

kong

Package kong aims to support arbitrarily complex command-line structures with as little developer effort as possible.

Decision Signals

Health score 77/100, confidence 80/100.

Strong

Maintenance 83

Adoption 66

Security 92

Maturity 62

Developer DX 83

Confidence 80

go get github.com/alecthomas/kong

updated May 31, 2026

365 symbols

Symbol	Kind	Synopsis
AfterApply	Type	type AfterApply interface{ ... }
AfterApply.AfterApply	Method	AfterApply func(args ...any) error
AfterRun	Type	type AfterRun interface{ ... }
AfterRun.AfterRun	Method	AfterRun func(args ...any) error
Application	Type	type Application struct{ ... }
Application.HelpFlag	Field	HelpFlag *Flag
Argument	Type	type Argument = Node
BeforeApply	Type	type BeforeApply interface{ ... }
BeforeApply.BeforeApply	Method	BeforeApply func(args ...any) error
BeforeReset	Type	type BeforeReset interface{ ... }
BeforeReset.BeforeReset	Method	BeforeReset func(args ...any) error
BeforeResolve	Type	type BeforeResolve interface{ ... }