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 paruff/uFawkesAI --skill manifest-protectiongit clone --depth 1 https://github.com/paruff/uFawkesAIWrote 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/paruff/ufawkesai/manifest-protection)<a href="https://agentmods.dev/skills/paruff/ufawkesai/manifest-protection"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/manifest-protection/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.
<a href="https://agentmods.dev/skills/paruff/ufawkesai/manifest-protection"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/manifest-protection.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00036 | $0.00421 |
| Opus 5 | $0.00018 | $0.00211 |
| Sonnet 5 | $0.00007 | $0.00084 |
| Haiku 4.5 | $0.00004 | $0.00042 |
Grade A, and why
invalid-manifest-protection 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 11d 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.
What it actually says
Skill: Invalid Manifest Protection
Load trigger:
"load invalid-manifest-protection skill"> DORA: Cap 5 (Operational Resilience) Token cost: Low
Purpose
Ensure invalid manifests never reach GitOps or the cluster.
Responsibilities
- Simulate invalid Kustomize overlays
- Simulate invalid Helm templates
- Validate pipeline rejection
Inputs
- Broken manifests
Outputs
manifest-protection.json
Invalid Manifest Types
| Type | Example | Expected Behavior |
|---|---|---|
| Invalid YAML | Malformed syntax | Pipeline rejects |
| Missing required field | Missing apiVersion | Pipeline rejects |
| Invalid image tag | Empty tag | Pipeline rejects |
| Schema violation | Wrong field type | Pipeline rejects |
| Kustomize error | Missing base | Pipeline rejects |
Validation Rules
- Invalid manifests detected
- Pipeline rejects invalid manifests
- No invalid manifests reach GitOps
- Error messages clear
Output Format
{
"skill": "invalid-manifest-protection",
"status": "pass | fail",
"tests": [
{ "type": "invalid_yaml", "rejected": true },
{ "type": "missing_field", "rejected": true },
{ "type": "invalid_tag", "rejected": true }
],
"all_rejected": true
}
Success Criteria
- Invalid manifests blocked
- No invalid manifests reach GitOps
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.
- 11d ago First seen · 70 lines · 36 tokens per session scan A a2775f5b9380
invalid-manifest-protection is a skill published in the GitHub repository paruff/uFawkesAI (2 stars, last pushed 19d ago), licensed MIT. It adds 36 tokens to every session and 421 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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