Clojure CLI

Spec sheet

Purpose

The Clojure CLI runs Clojure programs on the Java Virtual Machine and uses deps.edn files to configure and download dependencies.Read 11 Oct 2026 · clojure.org

Audience

Clojure is designed as a general-purpose language for areas where Java is suitable, with JVM access and built-in concurrency support.Read 11 Oct 2026 · clojure.org

Free plan

YesRead 21 Sep 2026 · clojure.org

Integrations

The CLI can use Clojure and other JVM-based libraries, with dependencies downloaded from public repositories such as Maven Central.Read 11 Oct 2026 · clojure.org

Security

The latest listed Linux and POSIX installer changes include embedding and checking checksums in the installers.Read 11 Oct 2026 · clojure.org

Support

The Clojure team directs users to its Ask Clojure forum to ask questions, report potential problems, and request enhancements.Read 11 Oct 2026 · clojure.org

Classpath debugging

Options include printing the classpath or dependency tree and writing a dependency expansion trace to trace.edn.Read 11 Oct 2026 · clojure.org

Dependency management

The CLI resolves dependencies from deps.edn configuration and downloads them for the JVM classpath.Read 11 Oct 2026 · clojure.org

Dependency resolution

YesRead 21 Sep 2026 · clojure.org

Execution modes

The CLI can execute functions with -X, run tools with -T, and run a main namespace or script with -M.Read 11 Oct 2026 · clojure.org

Java requirement

Clojure requires Java; the installation guide lists supported LTS releases as Java 8, 11, 17, 21, and 25.Read 11 Oct 2026 · clojure.org

Operating systems

The installation guide provides macOS, Linux, POSIX, and Windows instructions, including a Windows installer and WSL option.Read 11 Oct 2026 · clojure.org

Package formats

Maven JARs,Git repositories,local directories,local JARsRead 21 Sep 2026 · clojure.org

Private registry auth

YesRead 21 Sep 2026 · clojure.org

REPL

The clj command starts a Clojure REPL by default.Read 11 Oct 2026 · clojure.org

Repositories

The built-in root deps.edn includes Maven Central and Clojars as Maven repositories.Read 11 Oct 2026 · clojure.org

Supported platforms

Windows,macOS,Linux,POSIX systems; Java requiredRead 21 Sep 2026 · clojure.org

Tool installation

CLI tools can be installed locally under a short name and invoked across projects using the same user configuration.Read 11 Oct 2026 · clojure.org

Workspace support

YesRead 21 Sep 2026 · clojure.org

Plans and prices

Every Clojure CLI plan and price →

Where Specifiction places it

• Package Managers#38 of 938.0