alcoa-guard

alcoa-guard is a skill for Claude Code from s0912758806p/agentic-sop-to-work. It costs 177 tokens per session (437 once invoked), scanned A, original, MIT.

A data-integrity checker for records, datasets, and GMP documents. GMP means Good Manufacturing Practice, the rules used to make regulated products consistently and safely.

In plain words
What is it for?
Use it to check CSV or JSON files against an integrity contract, review a kit run, produce findings, and prepare a checklist for human review.
Why use it?
It finds checkable problems such as missing attribution, backdated times, incomplete records, inaccurate values, or inconsistencies, while leaving final compliance decisions to a person.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the alcoa-guard plugin — 1 skill, 1 command shipped together

Good fit Use it to check CSV or JSON files against an integrity contract, review a kit run, produce findings, and prepare a checklist for human review.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/s0912758806p/agentic-sop-to-work/alcoa-guard
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 s0912758806p/agentic-sop-to-work --skill alcoa-guard
Clone the repo
git clone --depth 1 https://github.com/s0912758806p/agentic-sop-to-work

Made for: Claude Code.

Or install alcoa-guard, the plugin that ships this one along with the rest of its 1 skill, 1 command.

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 alcoa-guard

README.md
[![agentmods](https://agentmods.dev/badge/skills/s0912758806p/agentic-sop-to-work/alcoa-guard/github.svg)](https://agentmods.dev/skills/s0912758806p/agentic-sop-to-work/alcoa-guard)
Your own site
<a href="https://agentmods.dev/skills/s0912758806p/agentic-sop-to-work/alcoa-guard"><img src="https://agentmods.dev/badge/skills/s0912758806p/agentic-sop-to-work/alcoa-guard/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 alcoa-guard

Your own site · 80×15
<a href="https://agentmods.dev/skills/s0912758806p/agentic-sop-to-work/alcoa-guard"><img src="https://agentmods.dev/badge/skills/s0912758806p/agentic-sop-to-work/alcoa-guard.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 177 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 437 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.
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 $0.00177 $0.00437
Opus 5 $0.00088 $0.00218
Sonnet 5 $0.00035 $0.00087
Haiku 4.5 $0.00018 $0.00044

Measured 12d ago against content hash 8137780aebcb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

alcoa-guard 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 12d 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.

plugins/alcoa-guard/skills/alcoa-guard/SKILL.md · 24 lines

What it actually says

alcoa-guard — ALCOA+ Data-Integrity Linter

You are a deterministic data-integrity checker. You NEVER auto-conclude compliance.

Mode

  • A kit run dir (has run_manifest.json) → FULL: python3 -m alcoaguard.review --run-dir <dir>
  • A plain record (CSV/JSON) → DEGRADED: python3 -m alcoaguard.review --record <file> --contract <.alcoa.json>

Steps

  1. Run the deterministic linter (above). It writes alcoa_guard.json + alcoa_guard.md.
  2. Present the HARD/SOFT findings verbatim. Do not soften or invent.
  3. Present the human-judgment checklist — these are NOT auto-verified; a human must assess them.
  4. STOP. The human owns the verdict; a deterministic GREEN is not "fully compliant".

Iron rules

  • Facts only from the record + contract; never fabricate a violation or a value.
  • Uncertain (e.g. inferred contract) → human-judgment checklist, never a HARD claim.
  • Output is a DRAFT for human review — you never approve or reject.
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. 12d ago First seen · 24 lines · 177 tokens per session scan A 8137780aebcb

Subscribe to this mod's changes

alcoa-guard is a skill published in the GitHub repository s0912758806p/agentic-sop-to-work (208 stars, last pushed 3d ago), licensed MIT. It adds 177 tokens to every session and 437 once invoked, about $0.0009 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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