A specialized technical resource for Openclaw Skills users designed to eliminate common Ruby anti-patterns and improve code reliability.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install ruby
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install ruby using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Ruby?
The Ruby skill for Openclaw Skills provides a comprehensive framework for writing high-quality, bug-free Ruby code. It focuses on the language's most frequent pain points, such as mutable string traps, tricky block scoping, and metaprogramming vulnerabilities. By integrating this skill, developers can leverage a structured approach to object equality, visibility, and collection management within the Openclaw Skills environment, ensuring that every line of code is both performant and maintainable.
Ruby Use Cases
- Preventing accidental data corruption caused by Ruby's mutable string behavior.
- Debugging complex control flows between Procs and Lambdas to ensure local returns work as intended.
- Implementing safe metaprogramming patterns using define_method while avoiding eval traps.
- Optimizing database interactions in Rails by identifying N+1 queries and callback misconfigurations.
- Ensuring strict object equality checks using the correct identity vs. value operators.
How Ruby Works
- The skill acts as a logic layer for the Openclaw Skills agent, providing specific rules for Ruby 3.0+ syntax and best practices.
- It categorizes Ruby expertise into dedicated modules covering objects, blocks, methods, and Rails-specific patterns.
- During the coding process, the skill monitors for common pitfalls like shadowing block variables or improper rescue clauses.
- It enforces modern Ruby standards, such as using frozen string literals and maintaining respond_to_missing? consistency when using method_missing.
Ruby Setup
This skill requires a working Ruby installation on your host machine (compatible with Linux, Darwin, and Win32). Openclaw Skills utilizes the local ruby binary to assist in code validation.
# Check your local Ruby version
ruby --version
# Ensure the ruby binary is in your system PATH for Openclaw Skills to access
Ruby Data Schema & Taxonomy
The Ruby skill for Openclaw Skills organizes its technical documentation and rule sets into the following schema:
| Module | Technical Focus |
|---|---|
| objects.md | Mutable strings, identity (equal?) vs value (==) equality |
| blocks.md | Proc vs Lambda behavior and local return scoping |
| methods.md | Method visibility, private receivers, and method_missing |
| collections.md | Mutation traps in Arrays and Hash default values |
| metaprogramming.md | define_method safety and eval execution traps |
| rails.md | ActiveRecord performance, N+1 query prevention, and callbacks |
Ruby Advanced Features
- Support for frozen_string_literal: true to optimize memory usage and immutability.
- Guidance on Symbol#to_proc limitations when dealing with methods requiring arguments.
- Advanced error handling strategies ensuring rescue blocks target StandardError rather than Exception.
- Logic to prevent shared state bugs when initializing Hashes with default objects.
- Enforcement of ensure blocks for guaranteed cleanup logic after method returns.
SKILL.md
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