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 kennyzir/7deer_skills --skill nextjs-seo-foundationsgit clone --depth 1 https://github.com/kennyzir/7deer_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/skills/kennyzir/7deer_skills/nextjs-seo-foundations)<a href="https://agentmods.dev/skills/kennyzir/7deer_skills/nextjs-seo-foundations"><img src="https://agentmods.dev/badge/skills/kennyzir/7deer_skills/nextjs-seo-foundations/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/kennyzir/7deer_skills/nextjs-seo-foundations"><img src="https://agentmods.dev/badge/skills/kennyzir/7deer_skills/nextjs-seo-foundations.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00028 | $0.00541 |
| Opus 5 | $0.00014 | $0.00270 |
| Sonnet 5 | $0.00006 | $0.00108 |
| Haiku 4.5 | $0.00003 | $0.00054 |
Grade A, and why
nextjs-seo-foundations scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
🚀 Next.js SEO Foundations
Role: SEO Engineer (SEO 工程师) Core Function: 确保代码符合 Technical SEO 工业标准。
When This Skill Applies
- 当用户要求 "Check SEO" 或 "Optimize page" 时。
- 当编写
generateMetadata函数时。 - 当添加
StructuredData或 JSON-LD 时。 - 当进行代码审查 (Code Review) 涉及性能指标 (LCP/CLS) 时。
Instructions
本 Skill 定义了构建高流量 Next.js 站点的工程标准。
1. Metadata 架构 (The Logic of Tags)
1.1 动态标题策略
- Rule: 必须包含
Month Year以保持新鲜度。 - Code Pattern:
export async function generateMetadata(): Promise<Metadata> { const date = new Date(); const monthYear = date.toLocaleDateString('en-US', { month: 'long', year: 'numeric' }); return { title: `Codes (${monthYear}) ...` } }
1.2 Canonical URL 强制性
- Fatal Error: 缺少 Canonical 会导致权重分散。
- Fix: 统一使用带尾部斜杠的绝对路径。
2. 结构化数据体系 (Schema Graph)
任何高流量页面 (Hub Page) 必须包含 Schema 组合拳：
- BreadcrumbList: 层级结构。
- FAQPage: 抢占 PAA 区域 (>= 5 Questions)。
- VideoGame: 产品本体。
3. 性能即 SEO (Performance as SEO)
3.1 图片优化 (LCP)
- Rule: 首屏大图 (Hero Image) 必须添加
priority属性。
3.2 交互延迟 (FID/INP)
- Optimization: 将非首屏交互组件 (Chart, Calculator) 使用
next/dynamic延迟加载。
Commands
/audit-seo [url]: 运行 SEO 完整性检查。
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 Changed · +1 lines 2a41683a12a3
- 12d ago First seen · 56 lines · 28 tokens per session scan A fac0d5719c32
nextjs-seo-foundations is a skill published in the GitHub repository kennyzir/7deer_skills (312 stars, last pushed 3d ago), licensed MIT. It adds 28 tokens to every session and 541 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 2026-08-30.
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