Borrowing it
Nothing to install: this file belongs to Stahl-G/briefloop. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/Stahl-G/briefloop/main/.agents/skills/rendered-output-harness/SKILL.mdgit clone --depth 1 https://github.com/Stahl-G/briefloopWrote 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/stahl-g/briefloop/rendered-output-harness)<a href="https://agentmods.dev/skills/stahl-g/briefloop/rendered-output-harness"><img src="https://agentmods.dev/badge/skills/stahl-g/briefloop/rendered-output-harness/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/stahl-g/briefloop/rendered-output-harness"><img src="https://agentmods.dev/badge/skills/stahl-g/briefloop/rendered-output-harness.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 | $0.00038 | $0.00288 |
| Opus 5 | $0.00019 | $0.00144 |
| Sonnet 5 | $0.00008 | $0.00058 |
| Haiku 4.5 | $0.00004 | $0.00029 |
Grade A, and why
rendered-output-harness 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 9d 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
Rendered Output Harness Skill Contract
Scope
This is a runtime skill contract. It describes the capability and artifact contract for this role.
It is not the platform-specific subagent definition. Claude Code subagents live in .claude/agents/; OpenCode subagents live in .opencode/agents/; Codex custom agents live in .codex/agents/; Hermes child tasks are created through delegate_task.
Purpose
Review rendered output gates for document fidelity.
Use When
Use when changing DOCX/PDF/Markdown rendering or rendered-output validation.
Inputs
output/delivery/brief.mdoutput/delivery/<named>.docx or configured rendered artifactsoutput/source_appendix.mdas an audit/control copy when source appendix is configured- rendering code or tests
Outputs
- rendering findings
- updated rendered-output checks or tests when requested
Work
- Check rendering depth, heading mapping, bullet separation, margins, footer/page fields, and wide table handling.
- Separate rendering failures from source-audit failures.
- Keep rendered-output checks executable where possible.
Handoff
Return rendered artifact status and any blocking fidelity issues.
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.
- 9d ago First seen · 43 lines · 38 tokens per session scan A 6d40f232d105
rendered-output-harness is a skill published in the GitHub repository Stahl-G/briefloop (9 stars, last pushed 5d ago), licensed MIT. It adds 38 tokens to every session and 288 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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