github-actions-debug

A guide for investigating failed GitHub Actions workflows, which automate tasks such as building and testing code.

In plain words
What is it for?
Use it to investigate broken builds, failed tests, and other GitHub Actions workflow errors.
Why use it?
It helps identify the cause of a failed job by examining its logs and suggesting a concrete fix.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/shiiman/dotfiles/github-actions-debug
Any agent
npx skills add shiiman/dotfiles --skill github-actions-debug
Clone the repo
git clone --depth 1 https://github.com/shiiman/dotfiles

Made for: Claude Code, Codex.

Per session 101 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,144 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00101 $0.01144
Opus 5 $0.00051 $0.00572
Sonnet 5 $0.00020 $0.00229
Haiku 4.5 $0.00010 $0.00114

Measured 2d ago against content hash fd16a7cc8cd8, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

github-actions-debug 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 2d ago.

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.

ai/codex/skills/github-actions-debug/SKILL.md · 164 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 2d ago First seen · 164 lines · 101 tokens per session scan A fd16a7cc8cd8

Subscribe to this mod's changes

github-actions-debug is a skill published in the GitHub repository shiiman/dotfiles (2 stars, last pushed 29d ago), with no licence file. It adds 101 tokens to every session and 1,144 once invoked, about $0.0005 per session on Opus 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 2026-08-31.

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