And in case you need more flexibility juggling one-off calls to various similar tools, try: :cex system('grep_or_ag_or_whatever -flags pattern') | copen With

And in case you need more flexibility juggling one-off calls to various similar tools, try: :cex system('grep_or_ag_or_whatever -flags pattern') | copen With proper ':set errorformat=...', you can call your compiler with this, or 'go test', or much more various stuff (even Go panic stacktraces).