rex

run anything, know nothing.

$ go install rexrun.dev/rex/cmd/rex@latest click to copy
$ git clone https://github.com/gin-gonic/gin && cd gin $ rex ๐Ÿฆ– gin stack go commands rex test โ†’ go test ./... rex run โ†’ go run . rex build โ†’ go build ./... rex deps โ†’ go mod download $ rex test โ†’ go test ./... ok github.com/gin-gonic/gin 3.1s โœ“ 498 tests passed

Try rex in your browser

Pick a project type and watch rex detect it

$ |

Zero config

No files to write. No setup. Works instantly in any repo.

Transparent

Always shows the command it runs. No magic, no surprises.

Fast

Single binary, <50ms startup. No runtime, no network calls.

Universal

Go, Node, Python, Rust, Java, Docker, Make, Just. One interface.

Smart fallback

Reads Makefile, Justfile, Taskfile, package.json scripts first.

CI-ready

Correct exit codes. Works in GitHub Actions, GitLab CI, any pipeline.

Supported stacks

Go Node.js Python Rust PHP Ruby Java Zig Elixir Makefile Justfile

Try it โ€” paste any GitHub repo

See what rex would detect without installing anything

โญ Star on GitHub View documentation โ†’