debug

Identify and resolve root causes of bugs and test failures.

5|Updated Apr 9, 2026

Search Tags:#debug #reproducibility #root-cause #phase-based #software-testing #bug-troubleshooting

Ready to run

npx skills add https://github.com/KodingDev/meridian --skill debug-kodingdev

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: debug
Source: https://github.com/KodingDev/meridian/tree/main/skills/debug
Command: npx skills add https://github.com/KodingDev/meridian --skill debug-kodingdev

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Debugging complex codebases can be time-consuming and error-prone, often leaving teams with unclear root causes and repeated failures.

Core Features & Use Cases

Phase-based root-cause investigation workflow guiding reviewers from error reproduction to verified fixes.
Structured evidence gathering, hypothesis tracking, and reproducibility checks to reduce guesswork.
Use Case: When a failing test or unexpected exception occurs, apply a repeatable process to isolate the root cause and prevent regressions.

Quick Start

Run the Phase 1 Root Cause Investigation workflow to begin diagnosing the bug.

Frequently Asked Questions about debug

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

FAQPage Schema

What is the best way to find the root cause of a failing test in a complex codebase?▼

Root-cause debugging uses a structured, phase-based workflow to investigate failing tests, requiring reviewers to reproduce the error, gather evidence, and confirm hypotheses before applying fixes to eliminate guesswork and prevent regressions.

How do I troubleshoot unexpected exceptions without relying on guesswork?▼

Troubleshoot unexpected exceptions by entering a phase-based investigation workflow that tracks hypotheses and enforces reproducibility checks, ensuring you only implement code fixes after strictly confirming the root cause of the bug.

Why does my software bug keep reappearing after applying a patch?▼

Bugs reappear when patches address symptoms rather than the root cause; a disciplined debugging workflow forces you to gather evidence and verify reproducibility before implementing fixes, thereby preventing repeated failures and regressions.

How do I start a root-cause investigation when a bug occurs?▼

Start a root-cause investigation by running the Phase 1 workflow to identify the issue scope and reproduce the error, progressing through subsequent phases to analyze evidence and implement verified fixes only after confirmation.

What is the purpose of reproducibility checks in software bug troubleshooting?▼

Reproducibility checks in bug troubleshooting validate that the identified root cause consistently triggers the failure, ensuring the subsequent fix actually resolves the original issue and preventing future code regressions.