What is ai-overviews-impact?

An analysis workflow for measuring whether Google's AI Overviews, summaries shown above some search results, are reducing organic click-through rates. It compares affected searches with other searches and with an earlier period.

Use it to find impacted search queries, estimate lost clicks, compare recent and previous performance, and group affected searches by informational, navigational, or transactional intent.

It identifies cases where search rankings stayed the same or improved but fewer people clicked through. This helps separate possible AI Overview effects from ordinary ranking or traffic changes.

How FlorianBruniaux/google-search-console-mcp configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to FlorianBruniaux/google-search-console-mcp. 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/FlorianBruniaux/google-search-console-mcp/main/.claude/skills/ai-overviews-impact/SKILL.md

Clone the repo

git clone --depth 1 https://github.com/FlorianBruniaux/google-search-console-mcp

Made for: Claude Code.

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/florianbruniaux/google-search-console-mcp/ai-overviews-impact/github.svg)](https://agentmods.dev/skills/florianbruniaux/google-search-console-mcp/ai-overviews-impact)

Your own site

<a href="https://agentmods.dev/skills/florianbruniaux/google-search-console-mcp/ai-overviews-impact"><img src="https://agentmods.dev/badge/skills/florianbruniaux/google-search-console-mcp/ai-overviews-impact/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/florianbruniaux/google-search-console-mcp/ai-overviews-impact"><img src="https://agentmods.dev/badge/skills/florianbruniaux/google-search-console-mcp/ai-overviews-impact.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 107 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 402 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.

Model	Per session	Once invoked
Fable 5.1	$0.00107	$0.00402
Opus 5	$0.00053	$0.00201
Sonnet 5	$0.00021	$0.00080
Haiku 4.5	$0.00011	$0.00040

Measured 12d ago against content hash 9ccdbcab0007, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

ai-overviews-impact 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.

.claude/skills/ai-overviews-impact/SKILL.md · 33 lines

What it actually says

AI Overviews Impact Analysis

Measure how Google's AI Overviews are affecting organic click-through rates on the property.

Steps

Call list_properties to confirm the exact site_url.
Call ai_overviews_impact to get the dedicated report on queries where AI Overviews appear and their CTR compared to queries without.
Call compare_search_periods for the last 90 days vs. the prior 90 days, using dimensions=query and limit=100.
From step 3, isolate queries where position held steady or improved but CTR declined by more than 15%. These are the primary AI Overview candidates.
Sort those queries by impressions descending and take the top 20.

Output format

AI Overview impact summary: total queries affected, estimated clicks lost vs. 90 days ago, overall CTR delta.

Strategic recommendations:

Which query types are most cannibalized (informational vs. navigational vs. transactional)
Whether to optimize for AI Overview inclusion (structured answers, schema markup) or shift focus to transactional intents where AI Overviews are less prevalent
Queries safe from AI Overviews that are worth reinforcing

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.

12d ago First seen · 33 lines · 107 tokens per session scan A 9ccdbcab0007

Subscribe to this mod's changes

ai-overviews-impact is a skill published in the GitHub repository FlorianBruniaux/google-search-console-mcp (11 stars, last pushed 10d ago), licensed MIT. It adds 107 tokens to every session and 402 once invoked, about $0.0005 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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google-search-console-mcp: Skill for Claude Code