Individual skill

investigation-methodology

Structured hypothesis-driven investigation framework for diagnosing Google Ads performance issues. Auto-invoke when user says "investigate," "why is [account] performing poorly," "dig into," or asks to diagnose a performance issue.

investigation-methodology/SKILL.md

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# Investigation Methodology

Structured framework for diagnosing Google Ads performance issues. Follow this process for every investigation — no exceptions.

## What This Skill Deliberately Does NOT Do

- **Replace domain judgment.** Step 4's recommendation must be specific, but the domain rules that make it safe live in their own skills — a budget fix still goes through [`budget-recommendation-calculator`](../budget-recommendation-calculator/)'s conservative caps; a live-account change still goes through [`mutation-safety`](../mutation-safety/)'s approval gate.
- **Pull data for you.** The framework sequences WHICH evidence to gather at each layer; it works with the API, exports, or screenshots — whatever access exists.
- **Format the client deliverable.** Findings presented to a client go through [`client-communication-standards`](../client-communication-standards/) (Background → Analysis → Conclusions); Step 4 here is the internal analytical output that feeds it.
- **Guarantee an answer.** Inconclusive is a valid verdict — the Rules require saying so over inventing a cause.

## Step 1: Define the Problem Statement

Start with the specific question. Do not generalize.
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