ContentSEO · AEO
Diagnostics
Use for structured technical SEO audits, incident response, and validation.
by GTM Agents·Apache-2.0·★ 230 on GitHub·updated 2026-04-03
claude plugin marketplace add gtmagents/gtm-agentsWhat this skill does
- 1Triangulates signals from Search Console, log files, crawler output, and analytics to identify root causes.
- 2Documents replication steps (user agents, locales, device types) so issues can be reproduced and verified.
- 3Maps symptoms to hypotheses: render blocking, redirect chains, robots rules, schema errors.
- 4Designs remediation options with risk level, dependencies, and testing approach before any change.
- 5Specifies post-fix metrics and alert thresholds to confirm resolution and catch regressions early.
When to use
- Organic traffic drops sharply after a deployment and you need to isolate the cause fast.
- Running a scheduled technical SEO audit before a major site launch or migration.
- Validating that a technical fix actually resolved an indexation or crawl issue.
- Correlating a ranking anomaly with a recent infrastructure or code change.
Tools used
Google Search Console· SEO/Search
Best for
Marketing Manager
Format
FrameworkTemplateWorkflowAnalyzerTrackerPlaybook
Frequently asked questions
What is Diagnostics?
Diagnostics is a Claude Code skill for content by GTM Agents. Use for structured technical SEO audits, incident response, and validation.
When should I use Diagnostics?
Organic traffic drops sharply after a deployment and you need to isolate the cause fast. Running a scheduled technical SEO audit before a major site launch or migration.
How do I install Diagnostics?
Run the install command (claude plugin marketplace add gtmagents/gtm-agents). Once the skill is in place, Claude Code loads it automatically whenever a task matches what it does.
Is Diagnostics free to use?
Yes. Diagnostics is open source under the Apache-2.0 license, published in the gtmagents/gtm-agents repository on GitHub.
Source repository
gtmagents/gtm-agents★ 230 · 39 forks
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