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 wolfenazz/YzPzCode --skill od-plugin-authoringgit clone --depth 1 https://github.com/wolfenazz/YzPzCodeWrote 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/wolfenazz/yzpzcode/od-plugin-authoring)<a href="https://agentmods.dev/skills/wolfenazz/yzpzcode/od-plugin-authoring"><img src="https://agentmods.dev/badge/skills/wolfenazz/yzpzcode/od-plugin-authoring.svg" alt="Measured on agentmods" 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 | $0.00023 | $0.00384 |
| Opus 5 | $0.00012 | $0.00192 |
| Sonnet 5 | $0.00005 | $0.00077 |
| Haiku 4.5 | $0.00002 | $0.00038 |
Grade A, and why
od-plugin-authoring 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 3d 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
od-plugin-authoring (scenario)
Use this scenario when the user wants to create their own Open Design plugin.
Required outcome
Produce a folder named generated-plugin/ in the active project workspace.
At minimum, the folder must contain:
SKILL.mdwith frontmatter and clear agent instructions.open-design.jsonwith valid plugin metadata,od.kind, mode, task kind, capabilities, and inputs when needed.
Add examples/, assets/, or other supporting files only when they help the plugin be used or reviewed.
Authoring rules
- Follow
docs/plugins-spec.mdand the schema atdocs/schemas/open-design.plugin.v1.json. - Treat
SKILL.mdas the canonical behavior description.open-design.jsonshould describe how Open Design installs, applies, and presents that behavior. - Keep the generated plugin local-user friendly: it should not require marketplace publishing, enterprise trust setup, or private team catalog configuration.
- Choose a stable plugin id from the user's requested workflow. Use lowercase letters, numbers, dashes, underscores, or dots.
- Include a short readiness summary when finished:
- Files created.
- Whether the folder is ready to add to My plugins.
- Any validation or follow-up needed before install.
- A direct next-action prompt that offers: Add to My plugins, Publish repo, or Open Design PR.
Suggested folder shape
generated-plugin/
SKILL.md
open-design.json
examples/
assets/
The examples/ and assets/ directories are optional. Do not create empty directories just to match the sketch.
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.
- 3d ago First seen · 46 lines · 23 tokens per session scan A cda1fc87bade
od-plugin-authoring is a skill published in the GitHub repository wolfenazz/YzPzCode (13 stars, last pushed 2d ago), licensed Apache-2.0. It adds 23 tokens to every session and 384 once invoked, about $0.0001 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 2026-09-03.
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