systematic-debugging

systematic-debugging is a skill for Claude Code, Codex from alessioarzenton/claude-code-wp-toolkit. It costs 21 tokens per session (2,287 once invoked), scanned A, original, GPL-3.0.

A debugging method for investigating bugs, failed tests, and unexpected behavior. It is meant to be used before suggesting a fix.

In plain words
What is it for?
Use it to investigate application bugs, test failures, regressions, and behavior that differs from what the code or requirements imply.
Why use it?
It helps you find the underlying cause instead of applying changes that only hide the symptom or create another problem.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit Use it to investigate application bugs, test failures, regressions, and behavior that differs from what the code or requirements imply.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/alessioarzenton/claude-code-wp-toolkit/systematic-debugging
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add alessioarzenton/claude-code-wp-toolkit --skill systematic-debugging
Clone the repo
git clone --depth 1 https://github.com/alessioarzenton/claude-code-wp-toolkit

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for systematic-debugging

README.md
[![agentmods](https://agentmods.dev/badge/skills/alessioarzenton/claude-code-wp-toolkit/systematic-debugging/github.svg)](https://agentmods.dev/skills/alessioarzenton/claude-code-wp-toolkit/systematic-debugging)
Your own site
<a href="https://agentmods.dev/skills/alessioarzenton/claude-code-wp-toolkit/systematic-debugging"><img src="https://agentmods.dev/badge/skills/alessioarzenton/claude-code-wp-toolkit/systematic-debugging/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for systematic-debugging

Your own site · 80×15
<a href="https://agentmods.dev/skills/alessioarzenton/claude-code-wp-toolkit/systematic-debugging"><img src="https://agentmods.dev/badge/skills/alessioarzenton/claude-code-wp-toolkit/systematic-debugging.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 21 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,287 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00021 $0.02287
Opus 5.5 $0.00008 $0.00915
Sonnet 5.5 $0.00004 $0.00457
Haiku 4.5 $0.00002 $0.00229

Measured 2mo ago against content hash 4999cb851360, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

systematic-debugging scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

The scan reads SKILL.md. This mod also ships 2 executable files (condition-based-waiting-example.ts, find-polluter.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

core/claude/skills/community/systematic-debugging/SKILL.md · 297 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

10 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 297 lines · 21 tokens per session scan A 4999cb851360

Subscribe to this mod's changes

systematic-debugging is a skill published in the GitHub repository alessioarzenton/claude-code-wp-toolkit (26 stars, last pushed 8mo ago), licensed GPL-3.0. It adds 21 tokens to every session and 2,287 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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