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claude-skill

claude-skill is a skill for Claude Code, Codex from feiskyer/codex-settings. It costs 49 tokens per session (1,981 once invoked), scanned A, original, MIT.

A set of instructions for running Claude Code, a command-line coding assistant, in automated or background jobs.

In plain words
What is it for?
It is for CI jobs, automation scripts, unattended tasks, and work that can be resumed later through Claude Code.
Why use it?
It helps keep scripted Claude Code runs compatible with the installed command-line version and avoids unsafe or unintended settings.

Skill for Claude CodeCodex

not rated 237 +1 21d ago A scan 49 tokens original MIT
View the source file feiskyer/codex-settings
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/feiskyer/codex-settings/claude-skill
Any agent
npx skills add feiskyer/codex-settings --skill claude-skill
Clone the repo
git clone --depth 1 https://github.com/feiskyer/codex-settings

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 claude-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/feiskyer/codex-settings/claude-skill.svg)](https://agentmods.dev/skills/feiskyer/codex-settings/claude-skill)
Your own site
<a href="https://agentmods.dev/skills/feiskyer/codex-settings/claude-skill"><img src="https://agentmods.dev/badge/skills/feiskyer/codex-settings/claude-skill.svg" alt="Measured on agentmods" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,981 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original 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 $0.00049 $0.01981
Opus 5 $0.00024 $0.00991
Sonnet 5 $0.00010 $0.00396
Haiku 4.5 $0.00005 $0.00198

Measured 4d ago against content hash b3b1f3243bb1, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

claude-skill 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 4d 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.

skills/claude-skill/SKILL.md · 229 lines

How it starts

The opening of the file, as written. The whole thing — 229 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Claude Code Headless Mode

Use this skill when the job should be executed through Claude Code itself, not solved inline. Focus on commands and workflows that match current stable Claude Code behavior.

Requirements

  • Install and authenticate the Claude Code CLI (claude) on the target machine.
  • Treat the installed CLI's claude --help output as the compatibility source of truth.

Core Rules

  • Treat claude --help on the target machine as the compatibility floor. CLI flags move faster than blog posts and copied examples.
  • Permission rule syntax varies by build. Anthropic docs often show forms like Bash(git diff *), while the installed claude 2.1.71 help on this machine still shows Bash(git:*). Mirror the syntax shown by the target machine's claude --help.
  • Default to the model the user already configured through /model, settings, or ANTHROPIC_MODEL.
  • Do not add --model unless the user explicitly asked for a model override or the workflow must pin a model for reproducibility.
  • Prefer --append-system-prompt over --system-prompt unless replacing the default Claude Code behavior is intentional.
  • Default to safe automation. If the user wants a truly unattended run, use explicit permission rules or dontAsk; reserve bypassPermissions for isolated environments.

Quick Verification

Run these checks before giving advanced advice:

claude --version
claude auth status --text
claude --help

If installation or updates look odd, use:

claude doctor

Installation Guidance

  • Anthropic's getting-started docs still show npm install -g @anthropic-ai/claude-code as the standard install path.
  • Newer builds may also support native installer flows and claude install.
  • If the user needs installation help, point them to the official Claude Code setup docs and verify the result with claude doctor rather than assuming one installer path is universal.

Headless Command Patterns

Basic Non-Interactive Run

Read the full file on GitHub · 229 lines

Files

What ships with it

2 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. 4d ago First seen · 229 lines · 49 tokens per session scan A b3b1f3243bb1

Subscribe to this mod's changes

claude-skill is a skill published in the GitHub repository feiskyer/codex-settings (237 stars, last pushed 21d ago), licensed MIT. It adds 49 tokens to every session and 1,981 once invoked, about $0.0002 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 2026-08-30.

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