agentic-actions-auditor

agentic-actions-auditor is a skill for Claude Code from sickn33/agentic-awesome-skills. It costs 63 tokens per session (4,700 once invoked), scanned A, original, MIT.

A security-audit skill for GitHub Actions workflows, which are automated tasks that run in a code repository, when those workflows use AI coding agents.

In plain words
What is it for?
Use it to inspect workflow files and linked actions, trace event data into agent prompts, and check triggers, sandbox settings, permissions, and user restrictions.
Why use it?
It reveals when attacker-controlled text or settings can reach an AI agent running in a build or deployment pipeline.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions Claude Code; mentions Codex; mentions Gemini CLI.

Part of the agentic-awesome-skills plugin — 196 skills shipped together

Good fit Use it to inspect workflow files and linked actions, trace event data into agent prompts, and check triggers, sandbox settings, permissions, and user restrictions.

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Install with agentmods
npx agentmods add skills/sickn33/agentic-awesome-skills/agentic-actions-auditor
About the project

AAS Core is a local control plane for coding agents that lets them search a large catalogue of skills, choose a stack, validate it, and create a reproducible plan. It is used to assemble and review agent workflows through its CLI, local MCP server, catalogue, plugins, and Workbench. The catalogue add-ons provide the skills, plugins, bundles, and workflows that AAS Core helps agents select and validate.

sickn33/agentic-awesome-skills · 46,230 stars · on GitHub · sickn33.github.io

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 sickn33/agentic-awesome-skills --skill agentic-actions-auditor
Clone the repo
git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills

Made for: Claude Code.

Or install agentic-awesome-skills, the plugin that ships this one along with the rest of its 196 skills.

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 agentic-actions-auditor

README.md
[![agentmods](https://agentmods.dev/badge/skills/sickn33/agentic-awesome-skills/agentic-actions-auditor/github.svg)](https://agentmods.dev/skills/sickn33/agentic-awesome-skills/agentic-actions-auditor)
Your own site
<a href="https://agentmods.dev/skills/sickn33/agentic-awesome-skills/agentic-actions-auditor"><img src="https://agentmods.dev/badge/skills/sickn33/agentic-awesome-skills/agentic-actions-auditor/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 agentic-actions-auditor

Your own site · 80×15
<a href="https://agentmods.dev/skills/sickn33/agentic-awesome-skills/agentic-actions-auditor"><img src="https://agentmods.dev/badge/skills/sickn33/agentic-awesome-skills/agentic-actions-auditor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,700 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. Third-party audits
  • Snyk warn 7 Sept 2026
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 5.1 $0.00063 $0.04700
Opus 5 $0.00032 $0.02350
Sonnet 5 $0.00013 $0.00940
Haiku 4.5 $0.00006 $0.00470

Measured 4d ago against content hash cd36ee2f0e65, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

agentic-actions-auditor 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.

Origin

Copies of this mod

8 near-identical copies found in the catalogue:

plugins/agentic-awesome-skills-claude/skills/agentic-actions-auditor/SKILL.md · 344 lines

How it starts

The opening of the file, as written. The whole thing — 344 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Agentic Actions Auditor

Static security analysis guidance for GitHub Actions workflows that invoke AI coding agents. This skill teaches you how to discover workflow files locally or from remote GitHub repositories, identify AI action steps, follow cross-file references to composite actions and reusable workflows that may contain hidden AI agents, capture security-relevant configuration, and detect attack vectors where attacker-controlled input reaches an AI agent running in a CI/CD pipeline.

When to Use

  • Auditing a repository's GitHub Actions workflows for AI agent security
  • Reviewing CI/CD configurations that invoke Claude Code Action, Gemini CLI, or OpenAI Codex
  • Checking whether attacker-controlled input can reach AI agent prompts
  • Evaluating agentic action configurations (sandbox settings, tool permissions, user allowlists)
  • Assessing trigger events that expose workflows to external input (pull_request_target, issue_comment, etc.)
  • Investigating data flow from GitHub event context through env: blocks to AI prompt fields

When NOT to Use

  • Analyzing workflows that do NOT use any AI agent actions (use general Actions security tools instead)
  • Reviewing standalone composite actions or reusable workflows outside of a caller workflow context (use this skill when analyzing a workflow that references them via uses:)
  • Performing runtime prompt injection testing (this is static analysis guidance, not exploitation)
  • Auditing non-GitHub CI/CD systems (Jenkins, GitLab CI, CircleCI)
  • Auto-fixing or modifying workflow files (this skill reports findings, does not modify files)

Rationalizations to Reject

When auditing agentic actions, reject these common rationalizations. Each represents a reasoning shortcut that leads to missed findings.

1. "It only runs on PRs from maintainers" Wrong because it ignores pull_request_target, issue_comment, and other trigger events that expose actions to external input. Attackers do not need write access to trigger these workflows. A pull_request_target event runs in the context of the base branch, not the PR branch, meaning any external contributor can trigger it by opening a PR.

Read the full file on GitHub · 344 lines

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 Changed · +6 lines cd36ee2f0e65
  2. 11d ago First seen · 338 lines · 63 tokens per session scan A 5c20a6b301fd

Subscribe to this mod's changes

agentic-actions-auditor is a skill published in the GitHub repository sickn33/agentic-awesome-skills (46,230 stars, last pushed yesterday), licensed MIT. It adds 63 tokens to every session and 4,700 once invoked, about $0.0003 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.