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 norahe0304-art/30x-seo --skill 30x-seo-redirectsgit clone --depth 1 https://github.com/norahe0304-art/30x-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/norahe0304-art/30x-seo/30x-seo-redirects)<a href="https://agentmods.dev/skills/norahe0304-art/30x-seo/30x-seo-redirects"><img src="https://agentmods.dev/badge/skills/norahe0304-art/30x-seo/30x-seo-redirects/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/norahe0304-art/30x-seo/30x-seo-redirects"><img src="https://agentmods.dev/badge/skills/norahe0304-art/30x-seo/30x-seo-redirects.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 | $0.00055 | $0.01161 |
| Opus 5 | $0.00028 | $0.00580 |
| Sonnet 5 | $0.00011 | $0.00232 |
| Haiku 4.5 | $0.00006 | $0.00116 |
Grade A, and why
30x-seo-redirects 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 12d 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.
How it starts
The opening of the file, as written. The whole thing — 147 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Redirect Audit
What This Skill Does
Analyzes website redirects to find problems that hurt SEO and user experience.
Why Redirects Matter
- Every redirect = delay: 301 redirects add 100-500ms latency
- Chains lose link equity: Google follows max ~5 hops, then stops
- Wrong type = lost ranking: 302 (temporary) doesn't pass full link juice
- Loops = crawl waste: Googlebot hits loop, gives up, page not indexed
Check Categories
1. Redirect Chains
A redirect pointing to another redirect, pointing to another...
BAD: /old → /old-2 → /old-3 → /final (3 hops, slow, loses equity)
GOOD: /old → /final (1 hop, fast, full equity)
Rule: Maximum 1 redirect hop. More than 1 = fix immediately.
2. Redirect Loops
Page A redirects to B, B redirects back to A. Infinite loop.
BAD: /page-a → /page-b → /page-a (loop!)
Detection: Follow redirects up to 10 hops. If same URL appears twice = loop.
3. Redirect Type Audit
| Type | When to Use | SEO Impact |
|---|---|---|
| 301 | Permanent move | Passes ~95% link equity |
| 302 | Temporary (A/B test, maintenance) | Passes less equity, can cause issues if permanent |
| 307 | Temporary (preserves HTTP method) | Same as 302 |
| 308 | Permanent (preserves HTTP method) | Same as 301 |
| Meta refresh | NEVER for SEO | Bad UX, slow, not recommended |
| JavaScript redirect | Avoid if possible | Googlebot may not follow |
Rule: Permanent moves must use 301 or 308. Using 302 for permanent = error.
4. Protocol Issues
BAD: https://site.com → http://site.com (downgrade, security warning)
BAD: http → https → http (mixed, confusing)
GOOD: http://site.com → https://site.com (upgrade, correct)
5. Domain Consistency
BAD: www.site.com → site.com → www.site.com (inconsistent)
GOOD: Pick ONE (www or non-www) and redirect all others to it
6. Trailing Slash Consistency
BAD: /page → /page/ → /page (loop risk)
GOOD: Pick ONE pattern (/page or /page/) and redirect all others
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.
- 12d ago First seen · 147 lines · 55 tokens per session scan A 97fe1b9a6f65
30x-seo-redirects is a skill published in the GitHub repository norahe0304-art/30x-seo (51 stars, last pushed 6mo ago), licensed MIT. It adds 55 tokens to every session and 1,161 once invoked, about $0.0003 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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