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 T4wroot/agentic-seo --skill breadcrumbgit clone --depth 1 https://github.com/T4wroot/agentic-seoWrote 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/t4wroot/agentic-seo/breadcrumb)<a href="https://agentmods.dev/skills/t4wroot/agentic-seo/breadcrumb"><img src="https://agentmods.dev/badge/skills/t4wroot/agentic-seo/breadcrumb/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/t4wroot/agentic-seo/breadcrumb"><img src="https://agentmods.dev/badge/skills/t4wroot/agentic-seo/breadcrumb.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 | $0.00096 | $0.01728 |
| Opus 5.5 | $0.00038 | $0.00691 |
| Sonnet 5.5 | $0.00019 | $0.00346 |
| Haiku 4.5 | $0.00010 | $0.00173 |
Grade A, and why
breadcrumb-generator 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 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.
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.
This is a copy
100% identical to breadcrumb-generator — 153 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 155 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Components: Breadcrumb Navigation
Guides breadcrumb implementation for SEO, UX, and GEO. Breadcrumbs show users their location in the site hierarchy and help search engines understand content taxonomy. Well-implemented breadcrumbs can increase CTR by 20–30%, reduce bounce rates by up to 30%, and strengthen internal linking.
When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.
Scope
- Breadcrumb UI: Visual trail (Home > Category > Page)
- BreadcrumbList schema: JSON-LD structured data for rich results
- Placement: Typically below header, above main content
Breadcrumb Types
| Type | Use case | Recommendation |
|---|---|---|
| Location-based | Reflects site hierarchy (Home > Blog > SEO > Page) | Recommended — most SEO-friendly; clear structure |
| Attribute-based | Shows product attributes (Home > Electronics > Phone > iPhone 15) | E-commerce; product classification |
| Path-based | Shows user's browsing path | Avoid — different users, different paths; can cause confusion |
Default: Use location-based for most sites. Use attribute-based for e-commerce product pages.
Initial Assessment
Check for project context first: If .claude/project-context.md or .cursor/project-context.md exists, read it for site structure and key pages.
Identify:
- Site structure: Hierarchy depth (e.g., Home > Category > Subcategory > Product)
- Page types: Blog, e-commerce, docs, etc.
- Multi-category: Products in multiple categories—need canonical path
Best Practices
Structure & Hierarchy
| Practice | Guideline |
|---|---|
| Depth | 3–5 levels optimal; avoid very long trails |
| Anchor text | Keyword-rich, human-readable; descriptive |
| Consistency | Same pattern across all pages (blog, category, product) |
| Canonical path | For items in multiple categories, define one canonical breadcrumb to avoid diluted link equity |
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 · 155 lines · 96 tokens per session scan A 5c06ac3ff307
breadcrumb-generator is a skill published in the GitHub repository T4wroot/agentic-seo (15 stars, last pushed 1mo ago), licensed MIT. It adds 96 tokens to every session and 1,728 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to breadcrumb-generator, differing in 153 lines, and is treated as a copy.
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