mastering-github-cli

A guide to GitHub's command-line tool, covering repository search, code discovery, CI/CD monitoring, workflow authoring, and automation. CI/CD means automatically building, testing, and delivering code.

In plain words
What is it for?
Use it for GitHub CLI commands, repository and code searches, GitHub Actions workflow monitoring, pull-request checks, workflow creation, and downloads.
Why use it?
It helps developers inspect GitHub projects and monitor or automate development tasks from a terminal.

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/spillwavesolutions/agent_rulez/mastering-github-cli
Any agent
npx skills add SpillwaveSolutions/agent_rulez --skill mastering-github-cli
Clone the repo
git clone --depth 1 https://github.com/SpillwaveSolutions/agent_rulez

Made for: Claude Code, Codex.

Per session 155 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,958 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00155 $0.01958
Opus 5 $0.00077 $0.00979
Sonnet 5 $0.00031 $0.00392
Haiku 4.5 $0.00015 $0.00196

Measured 2d ago against content hash 885045eec59c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

mastering-github-cli scanned grade A with 1 finding 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.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/batch-search.sh, scripts/find-repos-with-path.sh, scripts/wait-for-run.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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- **Direct curl/HTTP**: API calls without `gh` wrapper
.claude/skills/mastering-github-cli/SKILL.md · 245 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 · 245 lines · 155 tokens per session scan A 885045eec59c

Subscribe to this mod's changes

mastering-github-cli is a skill published in the GitHub repository SpillwaveSolutions/agent_rulez (47 stars, last pushed 5mo ago), with no licence file. It adds 155 tokens to every session and 1,958 once invoked, about $0.0008 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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