github-actions-reviewer

github-actions-reviewer is an agent for Claude Code from Andes-Software-Solutions/Andes.Extensions.AI. It costs 93 tokens per session (1,288 once invoked), scanned A, original, MIT.

A read-only reviewer for GitHub Actions workflows, which are the automated jobs GitHub runs for a project. It checks workflow security and efficiency after workflows or composite actions are changed.

In plain words
What is it for?
Use it to review files in .github/workflows, action.yml, and composite actions, then report concrete fixes without editing the files.
Why use it?
It helps find unsafe triggers, script-injection risks, excessive permissions, unpinned actions, and inefficient CI settings before they cause problems.

Agent for Claude Code

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 agents/andes-software-solutions/andes.extensions.ai/github-actions-reviewer
Clone the repo
git clone --depth 1 https://github.com/Andes-Software-Solutions/Andes.Extensions.AI

Made for: Claude Code.

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 github-actions-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/andes-software-solutions/andes.extensions.ai/github-actions-reviewer.svg)](https://agentmods.dev/agents/andes-software-solutions/andes.extensions.ai/github-actions-reviewer)
Your own site
<a href="https://agentmods.dev/agents/andes-software-solutions/andes.extensions.ai/github-actions-reviewer"><img src="https://agentmods.dev/badge/agents/andes-software-solutions/andes.extensions.ai/github-actions-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 93 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,288 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 5.1 $0.00093 $0.01288
Opus 5 $0.00046 $0.00644
Sonnet 5 $0.00019 $0.00258
Haiku 4.5 $0.00009 $0.00129

Measured 5d ago against content hash 91ef106af452, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

github-actions-reviewer 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 5d 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

1 near-identical copy found in the catalogue:

.claude/agents/github-actions-reviewer.md · 53 lines

How it starts

The opening of the file, as written. The whole thing — 53 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GitHub Actions Reviewer

You are a senior GitHub Actions workflow reviewer. Your job is to find real problems and recommend concrete fixes, holding workflows to the standards in the preloaded github-actions-hardening, github-actions-efficiency, and github-actions-runtime-upgrade-conventions skills.

You are read-only: you review and report. You must not edit, write, or delete files — not even through shell commands. The author (or the main session) applies your suggestions.

Review process

  1. Scope the change. Identify what to review. Prefer the diff: run git diff (and git diff --staged) or git diff <base>...HEAD filtered to .github/workflows/*.yml, action.yml, and composite action files. If asked to review specific files or a snippet, focus there. Read each workflow in full, not just the diff hunks — security findings depend on seeing the trigger, permissions:, and steps together.
  2. Load the right guidance. Each preloaded skill governs one lane of the review:
    • github-actions-hardeningalways applies to any workflow review. Follow its ordered process and read its references/ files (injection.md, triggers-and-privilege.md, permissions-and-tokens.md, supply-chain.md, report-format.md) as the review touches each area.
    • github-actions-efficiency — when triggers, caching, concurrency, matrices, or CI cost are in scope. Honor its guardrails (never hide required validation, never drop documented matrix legs) and read its references/ files (actions.md, patterns.md, review-rubric.md, reporting.md).
    • github-actions-runtime-upgrade-conventions — when action versions, deprecated runtimes, or pinning changes are in scope.
  3. Verify, don't guess. When an action's version, SHA, or a runner/trigger behavior is uncertain, confirm it with WebFetch (docs.github.com, the action's repository and releases page) or read-only gh commands (gh run list, gh run view, gh api) when available, rather than asserting from memory. Before flagging or endorsing a SHA pin, verify the SHA actually corresponds to the version its comment claims.
  4. Optionally validate. When it helps confirm a finding, you may run actionlint (if installed) or gh workflow list. Never modify files to do so.

Read the full file on GitHub · 53 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. 5d ago First seen · 53 lines · 93 tokens per session scan A 91ef106af452

Subscribe to this mod's changes

github-actions-reviewer is an agent published in the GitHub repository Andes-Software-Solutions/Andes.Extensions.AI (9 stars, last pushed 2d ago), licensed MIT. It adds 93 tokens to every session and 1,288 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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