Docs Auditor Skill

Audits a developer documentation site across 33 checks in 7 categories. Given a docs URL, fetch all required pages, evaluate every check, and render a visual scored report.

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Step 0a — Unlock Derived URLs via Targeted Search (CRITICAL, do this first)

Before fetching any derived URLs, run a single web_search that includes the exact file paths you need. This is required because web_fetch only allows fetching URLs that were user-provided or appeared in prior search/fetch results — the tool cannot fetch derived paths on its own, even if the root domain is known.

Given a docs URL like https://docs.example.com/, construct and run this search:

docs.example.com/llms.txt docs.example.com/robots.txt docs.example.com/sitemap.xml example.com/llms.txt example.com/robots.txt example.com/sitemap.xml

Include both the subdomain and the root domain variants in the same query — these files may be hosted on either. This single search surfaces the exact file URLs in results, making them immediately fetchable. If a file doesn't appear in results at all, that is itself strong evidence it doesn't exist — mark the relevant checks as fail without needing to attempt a fetch.

Do this search silently as an internal setup step. Do not narrate it to the user.

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Step 0b — URL Expansion (CRITICAL)

When the user provides a base docs URL (e.g. https://docs.example.com/), you MUST immediately treat ALL of the following derived URLs as user-provided and fetch them without asking for permission. This is the core mechanic that makes the audit work.

Given base URL https://docs.example.com/, fetch ALL of these in your first round:

{base}/robots.txt
{base}/sitemap.xml
{base}/llms.txt
{base}/llms-full.txt

Also try the root domain variants if the docs are on a subdomain:

https://{root-domain}/robots.txt
https://{root-domain}/llms.txt
https://{root-domain}/llms-full.txt
https://{root-domain}/sitemap.xml

Then fetch the main docs page itself, plus these standard sub-pages (adjust slugs based on what you find in the sidebar/nav):

{base}/                          ← landing / intro page
{base}/quickstart  (or /getting-started, /get-started)
{base}/changelog   (or /releases, /release-notes)
{base}/api         (or /api-reference, /reference)
{base}/faq         (or /troubleshooting, /help)
{base}/[one use-case or tutorial page]
{base}/[one deep settings or config page]

Fetch 6–8 pages minimum. More is better. Do NOT ask the user for more URLs — derive them.

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Step 1 — Run All 33 Checks

After fetching, evaluate every check below. Use the fetched HTML/markdown content as evidence. Mark each check as pass, warn, or fail using the criteria defined per check.

Category 1 — AI & LLM Discoverability (5 checks)

#	Check	Pass	Warn	Fail
1.1	llms.txt present at root domain	File fetched successfully with content	File exists but empty or malformed	404 / not found
1.2	llms-full.txt present	File fetched successfully	File exists but sparse	404 / not found
1.3	Docs pages listed in llms.txt	Links to doc pages found inside llms.txt	Some pages listed but incomplete	llms.txt absent or no doc links
1.4	AI bots allowed in robots.txt	GPTBot, ClaudeBot, or similar explicitly allowed OR no disallow rules for them	Bots not mentioned (ambiguous)	Bots explicitly disallowed
1.5	Docs pages in sitemap.xml	Sitemap found and contains doc page URLs	Sitemap exists but sparse / partial	Sitemap missing or 404

Category 2 — Structure & Navigation (6 checks)

#	Check	Pass	Warn	Fail
2.1	Introduction / overview page exists with real content	Page exists with substantive product description (>200 words)	Page exists but thin / vague	No intro page found
2.2	Quickstart / Getting Started with actionable steps	Step-by-step guide gets user to working state	Page exists but steps are vague or incomplete	No quickstart found
2.3	API Reference / Reference section present	Dedicated API reference section with endpoints or methods	Some reference content but not organized as API ref	No reference section found
2.4	Sidebar / navigation menu present	Sidebar with categorized links visible in HTML	Sidebar present but flat / uncategorized	No sidebar detected
2.5	Breadcrumb navigation present	Breadcrumb trail visible on sampled pages	Present on some pages but not all	No breadcrumbs found
2.6	Search functionality present	Search input detected in HTML	Search linked externally but not on-page	No search found

Category 3 — Content Completeness (6 checks)

#	Check	Pass	Warn	Fail
3.1	Use cases / tutorials / examples section present	Dedicated section with at least 2 full tutorial pages	Section exists but only 1 page or very thin	No use cases / tutorials found
3.2	Code examples present	Code blocks found on multiple sampled pages	Code present on 1 page only	No code examples found
3.3	Multiple language examples (Python, JS, cURL, etc.)	2+ languages shown in code examples	Only 1 language shown	No code examples at all
3.4	Changelog / Release notes present	Changelog page exists with actual entries	Page exists but empty or placeholder	No changelog found
3.5	FAQ / Troubleshooting section present	Dedicated FAQ or troubleshooting page with real Q&As	FAQ mentioned but minimal	No FAQ or troubleshooting found
3.6	Error messages / status codes documented	Error codes or status codes listed anywhere in docs	Brief mentions only	No error documentation found

Category 4 — Content Quality (3 checks)

#	Check	Pass	Warn	Fail
4.1	Intro page explains what the product is and who it's for	Clear product description + target audience stated	Product described but audience vague	Generic/marketing intro with no substance
4.2	Quickstart gets user to a working state	End-to-end steps from zero to working output	Steps present but incomplete or missing key detail	Quickstart too vague to follow
4.3	Sampled pages have sufficient depth (not stubs)	All sampled pages have real content (>150 words, structured)	Mix of full pages and stubs	Majority of sampled pages are stubs

Category 5 — Technical SEO & Crawlability (5 checks)

#	Check	Pass	Warn	Fail
5.1	HTTPS enforced	All fetched URLs use HTTPS	Mixed HTTP/HTTPS	HTTP only
5.2	Meta titles present on docs pages	<title> tag found on all sampled pages	Present on some pages	Missing on most pages
5.3	Meta descriptions present on docs pages	meta-description found on all sampled pages	Present on some pages	Missing on most pages
5.4	Canonical URLs present and correct	Canonical tag present and points to the correct domain	Canonical present but points to wrong/preview domain	No canonical tags found
5.5	No noindex directives on docs pages	meta-robots: index, follow on all sampled pages	Mixed — some pages noindex	Most pages set to noindex

Category 6 — Internal Linking & Flow (4 checks)

#	Check	Pass	Warn	Fail
6.1	Docs pages cross-link to each other	Internal links found in body content of sampled pages	Some pages cross-link but most don't	No internal links found in body
6.2	Next / previous page navigation present	Prev/next nav links at bottom of sampled pages	Present on some pages	Not found
6.3	Links to GitHub / source code	GitHub or source code link found in docs	Mentioned in text but not linked	No GitHub / source links found
6.4	Community / support links present (Discord, Slack, Forum, Chat)	Direct links to community or support channel found	Mentioned but no direct link	No community or support references

Category 7 — Versioning & Maintenance (4 checks)

#	Check	Pass	Warn	Fail
7.1	Version indicator visible (v1.2, "latest", badge)	Version badge or label visible on sampled pages	Version mentioned in text but no badge	No versioning signals found
7.2	Last updated / freshness signal on pages	"Last updated" date or similar visible	Changelog exists as proxy signal	No freshness signals found anywhere
7.3	Install commands include version pinning	Install commands show pinned versions (e.g. pip install foo==1.2)	Install commands present but unpinned	No install commands found
7.4	Deprecation notices present (if multi-version)	Deprecation banners or notices visible	Changelog mentions deprecations	No deprecation notices (only fail if multi-version product)

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Step 2 — Score Calculation

Score each category out of its max points. Each check is worth equal points within its category. Each category is weighted equally (each = 100/7 ≈ 14.3 points max).

Within each category:

• Pass = full points
• Warn = half points
• Fail = 0 points

Final score = sum across all 7 categories, rounded to nearest integer out of 100.

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Step 3 — Render the Report

Generate a standalone HTML report file:

• Use the HTML/CSS/JS template in references/widget-template.md as the design reference.
• Write the completed report to a file named {domain}-docs-audit.html in the current working directory (e.g. supabase-docs-audit.html).
• The report must include:
  1. Score hero — large score out of 100, domain name, pass/warn/fail summary counts
  2. Legend — green dot = Pass, amber dot = Warn, red dot = Fail
  3. Category sections — one block per category with:
     • Category name and score (e.g. "3/5")
     • Pill badges: "X pass", "X warn", "X fail"
     • Each check row with icon (✓ / ! / ✗), label, and a short evidence note
• Substitute all audit data (score, counts, category scores, check statuses, evidence notes) directly into the template — do not leave any placeholder values unfilled.
• The file must be fully self-contained (no external dependencies) so it opens correctly in any browser without a server.

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Step 4 — After the Report

After rendering, provide a short text summary (3–5 sentences) covering:

• The 1–2 strongest categories
• The biggest gaps / quick wins
• Any critical issues (e.g. broken canonical, noindex on docs, AI bots blocked)

Offer to go deeper on any category or create a prioritized action plan.

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Notes for Edge Cases

• Subdomain docs (e.g. docs.stripe.com): always also check root domain (stripe.com) for robots.txt, llms.txt, and sitemap.xml — they are often hosted at root.
• Docs behind auth: if pages return 401/403, mark relevant checks as warn with note "Could not verify — page requires authentication."
• JS-rendered docs: if fetched HTML is sparse (< 200 chars of text), note that the docs may be JS-rendered and some checks may be inconclusive.
• check 7.4 (deprecation): only fail this if evidence suggests the product has multiple versions. If it's clearly v1 only, mark as N/A (counts as pass for scoring).