# Babashka

> Clojure scripting without JVM startup.

- Skill: `plurigrid/babashka` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add plurigrid/babashka`
- Raw SKILL.md: https://api.skillmd.com/api/skills/plurigrid/babashka/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: plurigrid (https://skillmd.com/u/plurigrid)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/plurigrid/babashka

---


# babashka

Clojure scripting without JVM startup.

## Script

```clojure
#!/usr/bin/env bb
(require '[babashka.http-client :as http])
(require '[cheshire.core :as json])

(-> (http/get "https://api.github.com/users/bmorphism")
    :body
    (json/parse-string true)
    :public_repos)
```

## Tasks

```clojure
;; bb.edn
{:tasks
 {:build (shell "make")
  :test  (shell "make test")
  :repl  (babashka.nrepl.server/start-server! {:port 1667})}}
```

## Filesystem

```clojure
(require '[babashka.fs :as fs])
(fs/glob "." "**/*.clj")
(fs/copy "src" "dst")
```

## Process

```clojure
(require '[babashka.process :as p])
(-> (p/shell {:out :string} "ls -la") :out)
```

## Run

```bash
bb script.clj
bb -e '(+ 1 2)'
bb --nrepl-server
```


## REPL atlas

Part of: `repl-commons`. Family canonical: `clojure`.