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.
npx skills add xiaolai/eou-foundry --skill audit-candidate-eou-setgit clone --depth 1 https://github.com/xiaolai/eou-foundryWrote 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.
[](https://agentmods.dev/skills/xiaolai/eou-foundry/audit-candidate-eou-set)<a href="https://agentmods.dev/skills/xiaolai/eou-foundry/audit-candidate-eou-set"><img src="https://agentmods.dev/badge/skills/xiaolai/eou-foundry/audit-candidate-eou-set.svg" alt="Measured on agentmods" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00032 | $0.01413 |
| Opus 5 | $0.00016 | $0.00707 |
| Sonnet 5 | $0.00006 | $0.00283 |
| Haiku 4.5 | $0.00003 | $0.00141 |
Grade A, and why
audit-candidate-eou-set 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 7d 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.
How it starts
The opening of the file, as written. The whole thing — 112 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Audit Candidate EOU Set
Audit $path (a candidate-set artifact under foundry/self-evolution/candidate-sets/, schema schemas/candidate-set.schema.yml — ECP-0013).
Optional input (ECP-0017 / Rule 96)
If foundry/captured-workflows/cw-{app_id}.yml exists with all four human_approval gates populated, load it. The Set Value Coverage Test runs against its domain_values block.
Required reading
foundry/constitution.ymlfoundry/registry.ymlfoundry/governance.ymlfoundry/meta-eous/audit-candidate-eou-set.yml
Stop conditions
Halt and report before running tests if:
$pathdoes not resolve to a readable YAML file.- The file does not contain a
candidatesarray, orcandidatesis empty. foundry/constitution.ymlorfoundry/registry.ymldoes not exist — required for Authority and Non-Overlap tests.
Tests
Run each test against every candidate in the set.
Boundary Test
Each candidate must have one distinct success criterion. A candidate whose success criterion subsumes another candidate's fails this test. Flag candidates with compound or overlapping success criteria.
Non-Overlap Test
No candidate may duplicate an existing EOU in foundry/registry.yml or another candidate in this set. Check by purpose, target_object, and success criterion. Flag overlapping pairs and recommend merge or rejection.
Minimality Test
Each candidate must fail the following substitution checks — if it passes any, it should be converted instead of created as an EOU:
- Can this be a rule (static constraint, no execution required)?
- Can this be a validator (schema constraint, machine-checkable)?
- Can this be a regression case (captures a known failure)?
- Can this be a stop condition on an existing EOU?
- Can this be a checklist item inside an existing EOU's steps?
Authority Test
Generating EOUs in the candidate set must not have authority_level set to approve, publish, or mutate_active. Flag candidates claiming more authority than write_candidate or write_inactive without constitutional justification.
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.
- 7d ago First seen · 112 lines · 32 tokens per session scan A c080b769470d
audit-candidate-eou-set is a skill published in the GitHub repository xiaolai/eou-foundry (10 stars, last pushed 14d ago), licensed ISC. It adds 32 tokens to every session and 1,413 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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