J Debug — Testing skill for Claude Code
Systematic bug investigation — root cause analysis, not random fixes.
How to install J Debug
Installs to ~/.claude/commands/jlaws-dotfiles-j-debug.md
mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/jlaws/dotfiles/HEAD/.claude/commands/j-debug.md -o ~/.claude/commands/jlaws-dotfiles-j-debug.md Restart Claude Code, or start a new session, for it to be picked up.
What J Debug does
name: j-debug description: "Systematic bug investigation — root cause analysis, not random fixes. Use when a test fails, a bug appears, or behavior is unexpected. Do NOT use for asking how to fix something (code directly instead)." argument-hint: "" model: opus effort: xhigh
Bug / failing test: $ARGUMENTS
Before investigating, gather diagnostic context:
- Check git status for uncommitted changes (note them for context).
- Detect test runner f
Alternatives in Testing
- Debug — You are tasked with helping debug issues during manual testing or implementation 10k ★
- Skill Debug — Debug issues methodically — use when stuck on errors, test failures, or unexpected behavior 2.8k ★
- Fixtests — Systematic test failure analysis and remediation 849 ★
Full documentation available on GitHub
View Source RepositoryRelated Skills
Systematic Debugging
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes - four-phase frame
Quick Debug
Structured bug investigation — reproduce, root-cause, fix, regression-test. Uses the debugger subagent for iso
St Debug
Hypothesis-driven debugging with observation-only instrumentation and user reproduction; fixes route through t
Root Cause Debugger
A Claude Code skill that enforces disciplined, evidence-based debugging — reproduce, localize, form and test o
Debugging
Debug a bug, crash, failing test, or broken build to root cause
Al Debug
Root-cause a bug/test failure/race condition before fixing; checks and maintains a project-local known-issues
Related Agents
Deep Debug
Root-cause investigation for bugs whose cause is genuinely unknown — intermittent failures, heisenbugs, "it wo
Dev Debug
Bug diagnostic and investigation. Use to identify the root cause of a problem, analyze stack traces, or unders
Debug
Debug your application to find and fix a bug. Systematic root cause analysis through structured phases: assess