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 IgorWarzocha/Opencode-Workflows --skill prd-authoringgit clone --depth 1 https://github.com/IgorWarzocha/Opencode-WorkflowsWrote 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/igorwarzocha/opencode-workflows/prd-authoring)<a href="https://agentmods.dev/skills/igorwarzocha/opencode-workflows/prd-authoring"><img src="https://agentmods.dev/badge/skills/igorwarzocha/opencode-workflows/prd-authoring/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/igorwarzocha/opencode-workflows/prd-authoring"><img src="https://agentmods.dev/badge/skills/igorwarzocha/opencode-workflows/prd-authoring.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 | $0.00128 | $0.03490 |
| Opus 5.5 | $0.00051 | $0.01396 |
| Sonnet 5.5 | $0.00026 | $0.00698 |
| Haiku 4.5 | $0.00013 | $0.00349 |
Grade B, and why
prd-authoring scanned grade B with 1 finding 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 1mo 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.
Sends data to an external URLmediumData exfiltration
A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.
const response = await fetch('http://service-b/api/process', { method: 'POST', The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 1mo ago First seen · 499 lines · 128 tokens per session scan B df2736ef9db6
prd-authoring is a skill published in the GitHub repository IgorWarzocha/Opencode-Workflows (123 stars, last pushed 8mo ago), with no licence file. It adds 128 tokens to every session and 3,490 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it B with 1 finding (sends data to an external url). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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