A sitemap comparison tool for websites. An XML sitemap is a file listing pages a site wants search engines to crawl; this tool compares that list with a recent SE Ranking website audit.

Use it to find orphaned pages, missing sitemap entries, broken URLs, and other differences between a sitemap and a crawler's results. It requires a completed SE Ranking audit first.

The two sources can disagree: pages may be missing from the sitemap, listed but undiscovered, or listed even though they now return a 404 error.

seo-sitemap — Skill for Claude Code by seranking

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 seranking/seo-skills --skill seo-sitemap

Clone the repo

git clone --depth 1 https://github.com/seranking/seo-skills

Made for: Claude Code.

Or install seo-skills, the plugin that ships this one along with the rest of its 32 skills, 1 MCP server.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/seranking/seo-skills/seo-sitemap/github.svg)](https://agentmods.dev/skills/seranking/seo-skills/seo-sitemap)

Your own site

<a href="https://agentmods.dev/skills/seranking/seo-skills/seo-sitemap"><img src="https://agentmods.dev/badge/skills/seranking/seo-skills/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/seranking/seo-skills/seo-sitemap"><img src="https://agentmods.dev/badge/skills/seranking/seo-skills/seo-sitemap.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 117 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 2,314 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. Third-party audits

NVIDIA SkillSpector pass 7 Sept 2026

How audits are shown

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.

Model	Per session	Once invoked
Fable 5.1	$0.00117	$0.02314
Opus 5	$0.00059	$0.01157
Sonnet 5	$0.00023	$0.00463
Haiku 4.5	$0.00012	$0.00231

Measured 11d ago against content hash ae8c38eaf1f9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, 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 11d 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 · 133 lines

How it starts

The opening of the file, as written. The whole thing — 133 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Example output: examples/seo-sitemap-notion-so-20260514/SITEMAP.md

Sitemap Analysis

Compare a domain's XML sitemap against the most recent SE Ranking website audit. Surface what the sitemap claims vs what the crawler actually found, in both directions.

Prerequisites

SE Ranking MCP server connected.
Claude's WebFetch tool available.
User provides: a target domain. Optional: the sitemap URL if not at /sitemap.xml (auto-discovery from robots.txt is attempted first).
Predecessor: seo-technical-audit (or any prior SE Ranking audit) on this domain. Without an existing audit, this skill has nothing to compare against — chain seo-technical-audit first.

Process

Validate target & confirm audit
- Normalise the domain.
- DATA_listAudits → confirm an audit exists for this domain. If none, surface a clear message: "Run seo-technical-audit first; this skill compares the sitemap to that audit's crawl."
- Use the most recent done audit by default.
- Firecrawl availability check. If mcp__firecrawl-mcp__firecrawl_map is available, Mode-2 (URL discovery via crawl) is offered when the sitemap is missing or suspect. Cost: ~0.5 Firecrawl credits per URL discovered, hard cap 500 URLs (~250 credits). Without Firecrawl, the skill runs Mode-1 only and notes the gap if Mode-2 was needed. User may pass --no-firecrawl to force Mode-1 even when Firecrawl is available (saves credits at the cost of orphan/missing analysis when sitemap is broken).
Build URL lists WebFetch (sitemap) + mcp__firecrawl-mcp__firecrawl_map (optional Mode-2)
- Mode-1 (default). Try https://{domain}/sitemap.xml. If 404, fetch /robots.txt and look for Sitemap: directives. For sitemap-of-sitemaps, recursively fetch each child sitemap. Build the canonical URL list from the sitemap.
- Mode-2 trigger. Switch on Mode-2 when (a) no sitemap is reachable, (b) the sitemap returns < 10% of the audit's DATA_getCrawledPages count, or (c) the user explicitly requests --discover. Always surface the trigger and the cost estimate to the user before running Mode-2.
- Mode-2 execution (requires Firecrawl): call firecrawl_map(url=domain, limit=500). The response is the URL list Firecrawl could discover from the homepage and internal linking. Use this list as the "sitemap-equivalent" in step 6 — the diffs run identically, just with discovered URLs in place of declared sitemap URLs.
- If Mode-2 is needed but Firecrawl is unavailable: continue with whatever sitemap data Mode-1 returned (possibly empty). Surface clearly in SITEMAP.md: Mode-2 (Firecrawl URL discovery) needed but Firecrawl not installed — sitemap-vs-audit diffs run on partial data only.

Read the full file on GitHub · 133 lines

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.

11d ago First seen · 133 lines · 117 tokens per session scan A ae8c38eaf1f9

Subscribe to this mod's changes

seo-sitemap is a skill published in the GitHub repository seranking/seo-skills (139 stars, last pushed 2mo ago), licensed MIT. It adds 117 tokens to every session and 2,314 once invoked, about $0.0006 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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