Guide Elasticsearch reindex for performance: local and remote, slicing, throttling, task API. Use when copying or migrating indices, changing mappings, or transforming during reindex.
Install
npx skills add elastic/agent-skills --skill elasticsearch-reindexnpx skills add elastic/agent-skills --skill elasticsearch-reindex -a claude-code -gnpx skills add elastic/agent-skills --skill elasticsearch-reindex -a codex -ggemini skills install https://github.com/elastic/agent-skills.git --path skills/elasticsearch/elasticsearch-reindexgh skill install elastic/agent-skills elasticsearch-reindexgit clone --depth 1 https://github.com/elastic/agent-skills /tmp/elastic__agent-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/elastic__agent-skills/skills/elasticsearch/elasticsearch-reindex ~/.claude/skills/elasticsearch-reindex # Claude Code
cp -R /tmp/elastic__agent-skills/skills/elasticsearch/elasticsearch-reindex ~/.agents/skills/elasticsearch-reindex # Codex, Cursor, Gemini CLI, Copilot, OpenCode