Troubleshoots and diagnoses Cloud Storage on Google Cloud (also known colloquially as GCS) errors, 403 Permission Denied or Insufficient Permission denials, and access control conflicts. Use whenever a user encounters or asks to analyze a 403 error on a bucket or object — including analysis-only questions where no commands are run — or needs help with IAM bindings, fine-grained ACLs, Uniform…
Install
npx skills add GoogleCloudPlatform/google-cloud-storage-plugin --skill google-cloud-storage-diagnosticnpx skills add GoogleCloudPlatform/google-cloud-storage-plugin --skill google-cloud-storage-diagnostic -a claude-code -gnpx skills add GoogleCloudPlatform/google-cloud-storage-plugin --skill google-cloud-storage-diagnostic -a codex -ggemini skills install https://github.com/GoogleCloudPlatform/google-cloud-storage-plugin.git --path skills/google-cloud-storage-diagnosticgh skill install GoogleCloudPlatform/google-cloud-storage-plugin google-cloud-storage-diagnosticgit clone --depth 1 https://github.com/GoogleCloudPlatform/google-cloud-storage-plugin /tmp/GoogleCloudPlatform__google-cloud-storage-plugin
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/GoogleCloudPlatform__google-cloud-storage-plugin/skills/google-cloud-storage-diagnostic ~/.claude/skills/google-cloud-storage-diagnostic # Claude Code
cp -R /tmp/GoogleCloudPlatform__google-cloud-storage-plugin/skills/google-cloud-storage-diagnostic ~/.agents/skills/google-cloud-storage-diagnostic # Codex, Cursor, Gemini CLI, Copilot, OpenCode