How does this skill help with Python debugging?

It provides a structured 6-phase framework including intake, scoping, hypothesis testing, and root cause analysis to ensure bugs are fully understood before being fixed.

Does it automatically fix my code?

It prioritizes understanding the root cause first through systematic investigation, then proposes and implements a fix followed by a regression test.

What Python-specific patterns does it recognize?

The skill is optimized to identify common Python pitfalls such as NoneType AttributeErrors, mutable default arguments, un-awaited coroutines, and circular imports.

Can it handle intermittent Python bugs?

Yes, it includes specific strategies for investigating race conditions, state mutations, and environment-dependent issues that often cause intermittent failures.

Python Bug Investigator

Name: Python Bug Investigator
Author: Jamie-BitFlight

byJamie-BitFlight

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Security & Testing

Debugs and investigates functional Python issues using systematic root cause analysis and evidence-based testing frameworks.

The Python Bug Investigator skill provides a structured methodology for diagnosing complex Python bugs within Claude Code. It guides the model through a rigorous six-phase process—ranging from initial problem intake and minimal reproduction to hypothesis testing and root cause analysis—ensuring that fixes address the underlying issue rather than just surface-level symptoms. By utilizing standardized templates for logging, tracing data flow, and regression testing, this skill helps developers resolve regressions, intermittent failures, and logic errors with higher confidence and better documentation.

Key Features

01Comprehensive Root Cause Analysis (RCA) and investigation reporting

0218 GitHub stars

03Structured bug intake templates for consistent context and log gathering

04Systematic hypothesis formation and evidence-based testing framework

05Python-specific pattern recognition for NoneType, mutable defaults, and async errors

06Minimal reproduction case (Repro) generation for isolated debugging

Use Cases

01Identifying the root cause of regressions after major code refactors or dependency updates

02Creating minimal test cases to reproduce and verify fixes for edge-case logic failures

03Diagnosing intermittent runtime errors or race conditions in complex Python applications

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jamie-bitflight/claude_skills python3-bug

For use in Claude.ai and ChatGPT

Download Skill