Amazon Redshift is NOT PostgreSQL; corrects LLM mistakes; covers SQL, metadata, connectivity/auth, storage, query performance, and operations. Applies ONLY to Redshift (provisioned or Serverless). Pushes back on: CREATE INDEX, string_agg, pg_catalog, text type, SERIAL, stl_query.
Install
npx skills add aws/agent-toolkit-for-aws --skill redshift-guidenpx skills add aws/agent-toolkit-for-aws --skill redshift-guide -a claude-code -gnpx skills add aws/agent-toolkit-for-aws --skill redshift-guide -a codex -ggemini skills install https://github.com/aws/agent-toolkit-for-aws.git --path plugins/aws-data-analytics/skills/redshift-guidegh skill install aws/agent-toolkit-for-aws redshift-guidegit clone --depth 1 https://github.com/aws/agent-toolkit-for-aws /tmp/aws__agent-toolkit-for-aws
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/aws__agent-toolkit-for-aws/plugins/aws-data-analytics/skills/redshift-guide ~/.claude/skills/redshift-guide # Claude Code
cp -R /tmp/aws__agent-toolkit-for-aws/plugins/aws-data-analytics/skills/redshift-guide ~/.agents/skills/redshift-guide # Codex, Cursor, Gemini CLI, Copilot, OpenCode