goreportcard

You can actually use this as a command line tool.

$ goreportcard-cli
Grade: A+ (99.9%)
Files: 362
Issues: 2
gofmt: 100%
go_vet: 99%
gocyclo: 99%
golint: 100%
ineffassign: 100%
license: 100%
misspell: 100%

https://github.com/golangci/golangci-lint

This is normally just run inside vim, but there's some extra linters you can run manually which are disabled by default for being slow or having lots of false positives.

https://github.com/praetorian-inc/gokart

A static analysis tool security tool.