seo-sitemap

seo-sitemap is a skill for Claude Code, Codex from oegeyilmaz9/seo-aeo-geo-ultimate. It costs 40 tokens per session (688 once invoked), scanned A, original, Apache-2.0.

A guide for auditing and planning XML sitemaps, which are files that list important website URLs to help search engines discover them. It compares sitemap entries with verified canonical and indexable URLs.

In plain words
What is it for?
Use it to inspect sitemap files, find missing or conflicting URLs, plan cleanup or generation, and check host, protocol, locale, access, and update-time rules.
Why use it?
It prevents unfiltered or outdated URLs from being added and avoids treating a sitemap as a guarantee that search engines will crawl or index a page.

Skill for Claude CodeCodex

Written for Claude Code and Codex: ${CLAUDE_PLUGIN_ROOT} variable, but also agents/openai.yaml present. Also seen: mentions Claude Code; mentions Codex.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the seo-aeo-geo-ultimate plugin — 27 skills shipped together

Good fit Use it to inspect sitemap files, find missing or conflicting URLs, plan cleanup or generation, and check host, protocol, locale, access, and update-time rules.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add oegeyilmaz9/seo-aeo-geo-ultimate
Claude Code
/plugin install seo-aeo-geo-ultimate

Made for: Claude Code, Codex.

Or install seo-aeo-geo-ultimate, the plugin that ships this one along with the rest of its 27 skills.

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-sitemap

README.md
[![agentmods](https://agentmods.dev/badge/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-sitemap/github.svg)](https://agentmods.dev/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-sitemap)
Your own site
<a href="https://agentmods.dev/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-sitemap"><img src="https://agentmods.dev/badge/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-sitemap/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.

agentmods 80×15 button for seo-sitemap

Your own site · 80×15
<a href="https://agentmods.dev/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-sitemap"><img src="https://agentmods.dev/badge/skills/oegeyilmaz9/seo-aeo-geo-ultimate/seo-sitemap.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 688 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original 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 $0.00040 $0.00688
Opus 5 $0.00020 $0.00344
Sonnet 5 $0.00008 $0.00138
Haiku 4.5 $0.00004 $0.00069

Measured 12d ago against content hash f7f6db2ac435, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

seo-sitemap 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.

skills/seo-sitemap/SKILL.md · 40 lines

How it starts

The opening of the file, as written. The whole thing — 40 lines — stays where its author put it; the contents beside it link to each section on GitHub.

XML Sitemaps

Purpose

Compare sitemap files with the URLs a site actually intends to expose, then produce safe inventory, generation, or cleanup recommendations. A sitemap is a discovery hint; it neither forces crawling nor guarantees indexation.

Read references/sitemap-inventory-protocol.md before creating or changing a sitemap.

Input gate

Require the current sitemap/index files, expected canonical/indexable URL inventory, preferred host/protocol, robots/sitemap discovery context, relevant locale rules, and source of truth for update time. Do not generate a sitemap from an unfiltered crawler export or an unverified CMS list.

Workflow

  1. Parse and retain evidence. Record sitemap URL, fetch time/status, declared locations, syntax errors, and any nested sitemap references.
  2. Compare with intent. Check whether each listed URL is expected to be canonical, accessible, indexable, stable, and within the declared locale/host policy. Separately identify important intended URLs that are absent.
  3. Classify mismatches. Distinguish sitemap hygiene, canonical/indexability conflict, stale inventory, locale mapping, server delivery, and unresolved access issues.
  4. Generate only from verified inventory. Use current official protocol/engine documentation for limits and fields. Include lastmod only when it is a truthful, reliable content-change timestamp. Do not fill optional fields with invented values.
  5. Release safely. State source system, affected sitemap/index, rollout, test URL, validation, monitoring, and rollback. Coordinate locale URLs with seo-hreflang and technical delivery with seo-technical.

Guardrails

  • Do not list redirecting, error, duplicate, blocked, noindex, session, staging, faceted, or unapproved URLs merely to increase coverage.
  • Do not submit every URL variant, use sitemap timestamps as a freshness hack, or assume sitemap acceptance proves indexing.
  • Keep user-facing availability, crawlability, canonicalization, and actual indexed state as separate measurements.
  • For large/sensitive changes, create an approved seo-action-plan; this skill only prepares the change and validation path.

Read the full file on GitHub · 40 lines

Files

What ships with it

2 files 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.

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. 12d ago First seen · 40 lines · 40 tokens per session scan A f7f6db2ac435

Subscribe to this mod's changes

seo-sitemap is a skill published in the GitHub repository oegeyilmaz9/seo-aeo-geo-ultimate (2 stars, last pushed 22d ago), licensed Apache-2.0. It adds 40 tokens to every session and 688 once invoked, about $0.0002 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 2026-08-31.

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