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debugger

Reproduce bugs, isolate root causes, and plan targeted fixes.

1|Updated Apr 22, 2026
Search Tags:#debugging#logging#diagnostics#traceability#root-cause#reproduction#bug-fix
One-click install
npx skills add https://github.com/unrealandychan/AgentFoundry --skill debugger-unrealandychan
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: debugger
Source: https://github.com/unrealandychan/AgentFoundry/tree/main/skills/debugger
Command: npx skills add https://github.com/unrealandychan/AgentFoundry --skill debugger-unrealandychan

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Reproduces bugs, narrows scope, adds strategic logs, and isolates root causes without large refactors to speed up reliable fixes.

Core Features & Use Cases

  • Phase-guided debugging workflow that standardizes reproduction, analysis, and verification.
  • Structured logging and diagnostic scaffolding to reveal root causes without invasive changes.
  • Safe, targeted fixes with a built-in regression-test mindset to ensure verification.

Quick Start

Describe a bug you want reproduced and let the debugger guide you through root-cause analysis steps.

Frequently Asked Questions about debugger

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

FAQPage Schema
How do I isolate the root cause of a bug without large refactors?▼

To isolate a root cause without large refactors, apply strategic logging and phase-based analysis to narrow scope. This diagnostic scaffolding reveals the failure point safely, speeding up reliable fixes without invasive code changes.

What is the best way to reproduce bugs in web apps and scripts?▼

The best way to reproduce bugs in web apps and scripts is using a phase-guided debugging workflow with structured reproduction steps. This method ensures consistent bug recreation before proceeding to targeted analysis and isolation.

How do I add targeted logging to find a root cause?▼

Add targeted logging by applying diagnostic scaffolding during analysis. This approach inserts strategic logs at critical execution points to trace the failure path, revealing the root cause without altering core application logic.

Can I use this debugging workflow for both web services and standalone scripts?▼

Yes, you can use this debugging workflow for web services and standalone scripts. The phase-guided analysis applies across any context requiring precise reproduction, targeted logging, and concise fix plans to resolve issues reliably.

How do I ensure a bug fix does not cause regressions?▼

Ensure a bug fix does not cause regressions by applying safe, targeted fixes with a built-in regression-test mindset. This verification phase confirms original reproduction steps are resolved without introducing new behavioral issues.

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