Plugin · Claude Code · Testing

Alonw0 Python Debugger Skill

alonw0-python-debugger-skill is a Claude Code plugin for the Ship phase that guides systematic Python debugging with breakpoints, stepping, and stack inspection.

by alonw0 · github.com/alonw0/python-debugger-skill

Give Claude Code a structured Python debugging skill with breakpoints, stepping, stack inspection, and PyCharm-like navigation habits.

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Install

Add it to Claude Code

Install the plugin in Claude Code. One command, paste-ready.

Install the plugin
/plugin install alonw0-python-debugger-skill@alonw0/python-debugger-skill
Add to ClaudeUse the Agent APISkillselion is itself an MCP server - your agent can fetch this config directly.
Agent API

Built to be called by your agent

Skillselion is itself an MCP server. Your agent can pull this entry and a paste-ready install config straight from the API - no copy-paste.

Retrieve this entry with skillselion.get_details("plugin:alonw0/python-debugger-skill") and the paste-ready config with skillselion.get_install_config("plugin:alonw0/python-debugger-skill").

About

What it does

alonw0-python-debugger-skill is a Claude Code plugin that teaches and applies structured Python debugging: where to set breakpoints, how to step through execution, how to read the stack, and how to inspect variables with workflows familiar from PyCharm-like IDEs. Solo builders shipping scripts, APIs, data jobs, or agent tools install it when failures are intermittent or opaque and ad-hoc print statements waste hours. Because debugging is a process skill, it is tagged journey-wide—you can invoke it during Build when tests fail, during Ship before launch, and during Operate when production errors spike—while the catalog’s primary shelf remains Ship → Testing for discoverability next to other quality gates. The plugin does not replace a live debugger attachment or your IDE; it shapes how the agent reasons with you through diagnosis. Complexity is intermediate: you should already run Python locally and understand basic tracebacks.

Highlights

  • Python-focused debugging methods and best practices encoded as a single Claude Code skill plugin
  • Breakpoint, stepping, stack, and variable inspection patterns described in PyCharm-like terms
  • Navigation and inspection guidance for narrowing root cause without random print debugging
  • Applicable across backend scripts, APIs, and agent tooling—not tied to one framework
  • Lightweight one-plugin install from alonw0/python-debugger-skill

Why builders use it

Python tracebacks and silent failures leave solo builders guessing because they lack a repeatable debugger mental model inside the agent session.

After install, Claude Code can walk you through PyCharm-style debugging steps so you isolate defects faster across test, pre-launch, and incident workflows.

At a glance

  • Type - Plugin in Testing.
  • Adoption - 0 installs, 7 stars, 0 votes.

FAQ

Who is alonw0-python-debugger-skill for?

It is for Python-coding solo builders and small teams who want Claude Code to apply structured debugging—breakpoints, stepping, and inspection—when tests or prod misbehave.

When should I use alonw0-python-debugger-skill?

Use it whenever Python errors block progress: failing tests before ship, regressions during review, or confusing stack traces during operation—not only on greenfield features.

How do I add alonw0-python-debugger-skill to my agent?

Register alonw0/python-debugger-skill as a Claude Code plugin, install the single bundled skill, and invoke it in sessions where you paste tracebacks or describe broken behavior.

Discussion

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