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.
git clone --depth 1 https://github.com/oscal-compass-lab/compliance-trestle-skillsWrote 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/rules/oscal-compass-lab/compliance-trestle-skills/oscal-workspace-guardrails)<a href="https://agentmods.dev/rules/oscal-compass-lab/compliance-trestle-skills/oscal-workspace-guardrails"><img src="https://agentmods.dev/badge/rules/oscal-compass-lab/compliance-trestle-skills/oscal-workspace-guardrails/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/rules/oscal-compass-lab/compliance-trestle-skills/oscal-workspace-guardrails"><img src="https://agentmods.dev/badge/rules/oscal-compass-lab/compliance-trestle-skills/oscal-workspace-guardrails.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 | $0.00006 | $0.00178 |
| Opus 5 | $0.00003 | $0.00089 |
| Sonnet 5 | $0.00001 | $0.00036 |
| Haiku 4.5 | $0.00001 | $0.00018 |
Grade A, and why
oscal-workspace-guardrails 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.
What it actually says
When you work in an OSCAL import workspace:
- Keep original source files in
input/unchanged. - Maintain
source-map.csvsource traceability for every mapped OSCAL field. - Mark uncertain mappings as
needs_review. - Do not invent system boundaries, control implementations, or authorization conclusions.
- Do not commit real customer SSPs, credentials, diagrams, or sensitive evidence.
- Make import summary, validation report, and unmapped or review-queue artifacts before you claim success.
- Schema-valid OSCAL is structural validation only. It is not an audit opinion.
Use /import-legacy-ssp or agent-skills/oscal-document-engineering/SKILL.md for the full workflow.
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.
- 12d ago First seen · 19 lines · 6 tokens per session scan A b6320ac00fcc
oscal-workspace-guardrails is a cursor rule published in the GitHub repository oscal-compass-lab/compliance-trestle-skills (16 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 6 tokens to every session and 178 once invoked, about $0.0000 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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00-compliance-agent-core
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