An audit tool for EOU specifications, which are governed descriptions of repeatable work. It checks their classification, authority limits, required fields, validation, failure handling, traceability, impact scope, and ownership.

Use it to audit one EOU specification or all specifications in the project's EOU directories, including schema and governance checks.

It identifies missing or inconsistent governance details before an EOU is used or advanced through its lifecycle.

eou-audit — Skill for Claude Code by xiaolai

Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo

git clone --depth 1 https://github.com/xiaolai/eou-foundry

agentmods

npx agentmods add skills/xiaolai/eou-foundry/eou-audit

Made for: Claude Code.

Or install eou-foundry, the plugin that ships this one along with the rest of its 14 skills, 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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/xiaolai/eou-foundry/eou-audit.svg)](https://agentmods.dev/skills/xiaolai/eou-foundry/eou-audit)

Your own site

<a href="https://agentmods.dev/skills/xiaolai/eou-foundry/eou-audit"><img src="https://agentmods.dev/badge/skills/xiaolai/eou-foundry/eou-audit.svg" alt="Measured on agentmods" height="20"></a>

Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,497 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.

Model	Per session	Once invoked
Fable 5.1	$0.00037	$0.01497
Opus 5	$0.00018	$0.00749
Sonnet 5	$0.00007	$0.00299
Haiku 4.5	$0.00004	$0.00150

Measured 8d ago against content hash 68e0b9946a38, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

eou-audit 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 8d 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.

codex/skills/eou-audit/SKILL.md · 141 lines

How it starts

The opening of the file, as written. The whole thing — 141 lines — stays where its author put it; the contents beside it link to each section on GitHub.

EOU Audit

Audit an EOU spec at $target, or all specs in foundry/eous/ and foundry/meta-eous/ when no target is given.

Optional input (ECP-0017 / Rule 96)

Auto-discover any foundry/captured-workflows/cw-*.yml with all four human_approval gates populated. When found AND the audited spec's target_object is not in engine/governance.yml rule_96_exempt_target_objects, Step 9 (Value Operationalization Test) runs.

Required reading

foundry/constitution.yml
foundry/governance.yml
foundry/failure-taxonomy.yml
schemas/eou.schema.yml
Target EOU spec(s)

Stop conditions

Stop and record a critical finding before proceeding if:

schemas/eou.schema.yml does not exist — cannot validate spec completeness.
$target is provided but does not resolve to any spec file in foundry/eous/ or foundry/meta-eous/.

Procedure

Step 1 — Deterministic validation

python3 scripts/validate_foundry.py

Record any schema errors as critical findings before proceeding.

Step 2 — Faceted classification (per EOU)

Verify all six classification facets are present and use schema-allowed values:

Facet	Allowed values
`function`	`generate \| specify \| validate \| diagnose \| promote \| refactor \| audit \| propose \| activate \| implement \| retire`
`automation_mode`	`deterministic \| LLM_assisted \| hybrid \| human_executed`
`authority_level`	`suggest_only \| draft_only \| write_candidate \| write_inactive \| mutate_active \| approve \| publish`
`risk_level`	`low \| medium \| high \| critical`
`lifecycle_stage`	`candidate \| draft \| simulated \| pilot \| active \| monitored \| stable \| deprecated \| retired`

Finding: any missing or out-of-vocabulary value → severity high.

Step 3 — Authority and blast-radius consistency

mutate_active or higher requires risk_level: high or critical.
blast_radius.forbidden_scope must be declared for mutate_active or higher.
authority_level must not exceed what the EOU's function requires.

Read the full file on GitHub · 141 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.

8d ago First seen · 141 lines · 37 tokens per session scan A 68e0b9946a38

Subscribe to this mod's changes

eou-audit is a skill published in the GitHub repository xiaolai/eou-foundry (10 stars, last pushed 14d ago), licensed ISC. It adds 37 tokens to every session and 1,497 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 2026-08-31.

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