seo

seo is a skill for Claude Code, Codex from hugocarreira/agentrc. It costs 46 tokens per session (3,368 once invoked), scanned A, original, no licence file.

A set of practices for helping websites appear more clearly and rank better in search engines.

In plain words
What is it for?
It helps improve SEO, fix meta tags, add structured data, and optimize sitemaps.
Why use it?
It addresses common search-visibility problems such as incomplete metadata, structured data, and sitemap issues.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit It helps improve SEO, fix meta tags, add structured data, and optimize sitemaps.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/hugocarreira/agentrc/seo
Install

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.

Any agent
npx skills add hugocarreira/agentrc --skill seo
Clone the repo
git clone --depth 1 https://github.com/hugocarreira/agentrc

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for seo

README.md
[![agentmods](https://agentmods.dev/badge/skills/hugocarreira/agentrc/seo.svg)](https://agentmods.dev/skills/hugocarreira/agentrc/seo)
Your own site
<a href="https://agentmods.dev/skills/hugocarreira/agentrc/seo"><img src="https://agentmods.dev/badge/skills/hugocarreira/agentrc/seo.svg" alt="Measured on agentmods" height="20"></a>
Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,368 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00046 $0.03368
Opus 5 $0.00023 $0.01684
Sonnet 5 $0.00009 $0.00674
Haiku 4.5 $0.00005 $0.00337

Measured 8d ago against content hash 2efc6825c868, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

seo scanned grade A 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 8d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

**`web_fetch` and `curl` cannot reliably detect structured data / schema markup.**
skills/seo/SKILL.md · 567 lines

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.

Read it on GitHub

Changes

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.

  1. 8d ago First seen · 567 lines · 46 tokens per session scan A 2efc6825c868

Subscribe to this mod's changes

seo is a skill published in the GitHub repository hugocarreira/agentrc (5 stars, last pushed 3mo ago), with no licence file. It adds 46 tokens to every session and 3,368 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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