babashka

Execute lightweight Clojure scripts with Babashka without JVM startup.

60|13|Updated Dec 22, 2025
One-click install
npx skills add https://github.com/plurigrid/asi --skill babashka
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: babashka
Source: https://github.com/plurigrid/asi/tree/main/skills/babashka
Command: npx skills add https://github.com/plurigrid/asi --skill babashka

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill enables fast Clojure scripting without JVM startup overhead, empowering you to automate tasks in seconds rather than minutes.

Core Features & Use Cases

  • Lightweight scripting with Babashka for CLI tools, automation, and quick data tasks
  • Built-in capabilities to perform HTTP requests, file operations, and process execution inside a script
  • REPL-friendly development with Babashka's pods and nREPL support for iterative experimentation

Quick Start

Run a simple script with Babashka: bb script.clj, or evaluate an expression on the fly with bb -e '(+ 1 2)'

Frequently Asked Questions about babashka

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run Clojure scripts without JVM startup overhead?

Babashka executes lightweight Clojure scripts instantly by eliminating JVM startup delays. Use `bb script.clj` to run files or `bb -e '(+ 1 2)'` to evaluate expressions on the fly, making it ideal for CLI tools and automation tasks that need fast execution.

Can I use Babashka to automate CLI tasks and DevOps workflows?

Yes. Babashka includes built-in HTTP clients, JSON parsing, filesystem operations, and process execution capabilities, letting you automate ad-hoc scripting, data retrieval, and pipeline tasks without external dependencies or JVM overhead.

What's the best way to write fast automation scripts in Clojure?

Babashka provides zero-startup-overhead Clojure scripting with integrated HTTP, file, and process utilities. It's faster than traditional JVM Clojure for quick automation, making it the practical choice for DevOps pipelines, CLI tools, and lightweight data tasks.

Does Babashka support interactive development with nREPL?

Yes. Babashka includes nREPL support and pod integration, enabling REPL-friendly iterative development and experimentation within fast-executing scripts without full JVM startup penalties.

Can I perform HTTP requests and file operations directly in Babashka scripts?

Yes. Babashka has built-in HTTP client and JSON parsing capabilities alongside filesystem and process utilities, eliminating the need to add external libraries for common automation and data-retrieval tasks.