/test-driven-development
Core TDD philosophy and testing principles. Use when writing tests interactively or need testing guidance. Emphasizes tests as contracts, mock boundaries not internals, and implementation fixes over test changes.
$ npx -y skills add Pyroxin/opinionated-claude-skills --skill test-driven-development --agent claude-codeHow it fires
How this skill gets triggered: by you, by Claude, or both.
- Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.
- You can call itInvoke it directly when you want it.
- Slash command
/test-driven-development
Context preview
The summary Claude sees to decide when to auto-load this skill.
Core TDD philosophy and testing principles. Use when writing tests interactively or need testing guidance. Emphasizes tests as contracts, mock boundaries not internals, and implementation fixes over test changes.
This project descends from the personal prompts I'd been keeping for Claude Code prior to the release of skills and plugins. Over time it's also evolved into a sandbox where I figure out what makes Claude reliably good at a task, and find prompts that work.
Other skills on opinionated-claude-skills.
- /macos-programmer
macOS-specific development patterns, platform APIs, and decision frameworks. Use when developing Mac apps, macOS applications, Cocoa/AppKit code, or making SwiftUI vs AppKit decisions. Covers NSWindow management, NSDocument architecture, sandboxing, code signing, notarization,
Open skill - /swift-programmer
Swift-specific idioms, tooling, and philosophy. Use when working with Swift code. Emphasizes protocol-oriented programming, value semantics, strict concurrency (Swift 6+), and compile-time safety guarantees.
Open skill - /fish-shell-scripting
Fish shell scripting judgment frameworks and critical idioms. Use when writing Fish scripts or shell automation. Focuses on when to use Fish vs bash, macOS/Fedora compatibility requirements, and Fish-specific patterns that prevent bugs (universal variable anti-patterns, wrapper
Open skill - /java-programmer
Java-specific tooling, documentation standards, testing practices, and modern idioms. Use when working with Java code or Java-based projects on the JVM.
Open skill - /clojure-programmer
Clojure-specific philosophy, idioms, and judgment frameworks. Use when working with Clojure code. Emphasizes data-oriented design, runtime validation with spec, REPL-driven development, and the philosophy of simplicity over ease.
Open skill - /racket-programmer
Racket-specific tooling, libraries, idioms, and language-oriented programming philosophy. Use when working with Racket code. Emphasizes LOP, contracts, macros, and design methodology.
Open skill