OpenGSC: Skill for Claude Code

.agents/skills/aeo-visibility-review/SKILL.md

aeo-visibility-review is a skill for Claude Code, Codex from fenjo26/OpenGSC. It costs 48 tokens per session (574 once invoked), scanned A, original, MIT.

A review of how often a website is cited or mentioned by AI answer tools such as ChatGPT, Perplexity, Claude, and Grok. It uses tracked questions and related search data to show where the site appears or is missing.

In plain words
What is it for?
Use it to compare AI visibility across answer engines, find unanswered questions, inspect pages that may be good sources, and recommend improvements based on stored visibility and search data.
Why use it?
It shows which questions already lead AI tools to the site and where competitors or other sources are being used instead. This helps identify content and authority improvements that may make the site more citable.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is fenjo26/OpenGSC's own configuration. It tells Claude Code and Codex how to work on OpenGSC itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything OpenGSC configures →

Reuse

Borrowing it

Nothing to install: this file belongs to fenjo26/OpenGSC. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/fenjo26/OpenGSC/main/.agents/skills/aeo-visibility-review/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/fenjo26/OpenGSC

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 aeo-visibility-review

README.md
[![agentmods](https://agentmods.dev/badge/skills/fenjo26/opengsc/aeo-visibility-review/github.svg)](https://agentmods.dev/skills/fenjo26/opengsc/aeo-visibility-review)
Your own site
<a href="https://agentmods.dev/skills/fenjo26/opengsc/aeo-visibility-review"><img src="https://agentmods.dev/badge/skills/fenjo26/opengsc/aeo-visibility-review/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 aeo-visibility-review

Your own site · 80×15
<a href="https://agentmods.dev/skills/fenjo26/opengsc/aeo-visibility-review"><img src="https://agentmods.dev/badge/skills/fenjo26/opengsc/aeo-visibility-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 574 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 $0.00048 $0.00574
Opus 5 $0.00024 $0.00287
Sonnet 5 $0.00010 $0.00115
Haiku 4.5 $0.00005 $0.00057

Measured 12d ago against content hash 733b0131a9d8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

aeo-visibility-review 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.

.agents/skills/aeo-visibility-review/SKILL.md · 43 lines

How it starts

The opening of the file, as written. The whole thing — 43 lines — stays where its author put it; the contents beside it link to each section on GitHub.

OpenGSC AEO Visibility Review

Goal

Tell the user where they stand in AI search: which tracked questions cite/mention their site per engine, where they're invisible, and what content or authority signals would most plausibly change that.

Required inputs

  • The site (domain). Call list_sites if unknown.

OpenGSC MCP tools

  • get_aeo_visibility: tracked questions with the latest per-engine cited/not-cited state. Engines using live web search (ChatGPT, Perplexity) signal citation; Claude/Grok signal brand mention.
  • get_search_performance (dimension=query): questions people already find the site with in Google — candidates to add to AEO tracking.
  • get_striking_distance: pages close to page 1 often correlate with citability — sources AI search tends to pick up.
  • get_geo_audits: stored GEO audit reports. Where AEO tracks the same questions over time, these are one-off deep audits of a single query — they name which competitors AI search cited and why, which is the "what does a citable source look like here" evidence the scoreboard lacks.
  • fetch_page_content: pull a page that did get cited and read what makes it quotable — direct answers up top, named entities, data points, visible dates.

Workflow

  1. Pull get_aeo_visibility. Build a per-engine scoreboard: cited / not cited / never checked.
  2. Classify the losses: invisible everywhere (content gap) vs cited by search-grounded engines only (authority/mention gap) vs mentioned but not cited (formatting/source-quality gap).
  3. Cross-reference with get_search_performance: strong Google queries with zero AI citations are the highest-leverage fixes — the content already ranks, it needs to become quotable (clear answers, data points, named entities, updated dates).
  4. Suggest 3–5 new questions worth tracking, phrased the way real users ask assistants.

Output format

  • Scoreboard table: question × engine (✓ cited / ✗ not / — unchecked).
  • Diagnosis per losing question (one line each).
  • Prioritized fixes: content changes first, then authority plays.
  • Suggested new questions to track.

Read the full file on GitHub · 43 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.

  1. 12d ago First seen · 43 lines · 48 tokens per session scan A 733b0131a9d8

Subscribe to this mod's changes

aeo-visibility-review is a skill published in the GitHub repository fenjo26/OpenGSC (22 stars, last pushed yesterday), licensed MIT. It adds 48 tokens to every session and 574 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 2026-08-30.

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