ai-agent

slim

Slim is a template language whose goal is to reduce the syntax to the essential parts without becoming cryptic.
5,375 stars497 forksRubyUpdated 10/4/2026100% free · open source
What it does

Slim is a template language that simplifies syntax to essential parts for efficient templating in Ruby applications.

When to use it
  • •When building Ruby on Rails applications that require efficient templating
  • •When working with Ruby projects that need a lightweight templating engine
  • •When simplifying template code in existing Ruby applications
Ready-to-paste prompt
slim -o output.html -p my_template.slim to compile a Slim template to HTML with the output and parse options
Heads up: Make sure you have the correct Ruby version installed, as Slim requires Ruby 2.3 or higher, and configure your Gemfile accordingly
Saves to your device
Use with Claude
New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

✅ Light setup

Installs with a command or two; your AI agent can do it for you.

Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/slim && curl -fsSL https://workflowstacks.com/api/skills/slim/claude-skill -o ~/.claude/skills/slim/SKILL.md
Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)
claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How slim works
Codeflow
Free to inspect

Slim is a small Ruby project (~1.7k lines across 27 code files, plus 49 test files). Setup is light: install Ruby, run one command. Last commit 2 months ago, MIT license, has a test suite.

Size
Small codebase
~1.7k lines · 27 code files · 14 min skim
Setup
Light setup
Install Ruby, run one command.
Runs on
Ruby
No API keys detected
Ruby 99%Slim 1%
Where to start reading
  1. 1
    README.md
    Start here — what it does and how to install it
  2. 2
    bin/slimrb
    Where the program starts running
  3. 3
    lib/slim.rb
    Inside lib/ — the main logic begins here
What's in each folder
lib/Core code — the actual logic27 files
bin/Command-line entry points1 files
doc/Documentation8 files
test/Tests — proof it works81 files
.github/CI / automation (GitHub Actions)1 files
READMEHas testsDocumentedCI checksMIT licenseUpdated 2 mo ago
Quick Actions
Details
Creator
slim-template
Language
Ruby
Category
ai-agent
Published
9/13/2010

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Featured on WorkflowStacks
[![Featured on WorkflowStacks](https://workflowstacks.com/api/badge/slim.svg)](https://workflowstacks.com/skills/slim?utm_source=github&utm_medium=badge)
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