bug-fix

Reproduce software defects, identify root causes, and implement minimal fixes with regression tests.

Updated Jun 29, 2026
One-click install
npx skills add https://github.com/phanijapps/engram --skill bug-fix-phanijapps
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: bug-fix
Source: https://github.com/phanijapps/engram/tree/main/.claude/skills/bug-fix
Command: npx skills add https://github.com/phanijapps/engram --skill bug-fix-phanijapps

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill eliminates the common pitfalls of software maintenance, such as fixing symptoms instead of root causes, working without a reproduction, and leaving behind coverage gaps.

Core Features & Use Cases

  • Evidence-Based Debugging: Enforces a strict discipline of reproduction, hypothesis falsification, and root cause analysis before any code is changed.
  • Regression Prevention: Ensures that every fix is accompanied by a permanent test that pins the invariant and closes the specific coverage gap that allowed the bug to exist.
  • Use Case: When a user reports a regression in a data processing pipeline, this skill guides the agent to first reproduce the failure, identify the specific logic error, and implement a minimal fix that is verified by a new regression test.

Quick Start

Invoke the bug-fix skill to investigate and resolve the reported regression in the CSV parser module.

Frequently Asked Questions about bug-fix

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

FAQPage Schema
How do I fix a regression in my code without just patching the symptoms?

Root cause analysis identifies the exact logic error causing a software defect before any code is changed. It enforces reproduction and hypothesis falsification to ensure you fix the underlying failure rather than applying a symptomatic patch.

How do I ensure my bug fix doesn't introduce new regressions?

To prevent regressions, accompany every bug fix with a permanent regression test that pins the invariant and closes the specific coverage gap that allowed the defect. This test-driven approach verifies the minimal diff and prevents future recurrence.

What's the best way to debug unexpected behavioral deviations in a data processing pipeline?

The best way to debug pipeline deviations is to follow a systematic workflow: first reproduce the reported failure, identify the specific logic error in the data processing module, and implement a minimal fix verified by a new regression test.

Do I need to write a test for every code-level bug fix?

Yes, every code-level bug fix requires a permanent test. This test-driven development practice closes the coverage gap, pins the invariant, and documents the reasoning behind the minimal diff to prevent unexpected behavioral deviations.

Can I use this debugging workflow for any existing software system?

Yes, this debugging workflow applies to all code-level bug fixes, regressions, and unexpected behavioral deviations within existing software systems, regardless of the specific module or data processing pipeline.