Individual skill

elasticsearch-index-design

Design and review Elasticsearch index mappings for stated access patterns: correct field types, text+keyword multi-fields, doc_values tuning, mapping-explosion avoidance, and explicit shard settings. Use when creating a new index, reviewing a mapping for storage or query performance, fixing wrong field types, or when the user asks which type to use for search, filter, sort, or aggregation on a field.

skills/elasticsearch/elasticsearch-index-design/SKILL.md

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Last checked: Nov 6, 2026

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Repository stars (not skill ratings): 603
Repository last updated: Nov 6, 2026
License: Apache-2.0

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SKILL.mdcore · 12,507 bytes
SKILL.mdcore · 12,507 bytes
SKILL.mdcore · 12,507 bytes
SKILL.mdcore · 12,507 bytes
references/field-type-decisions.mddoc · 5,875 bytes
references/mapping-explosion.mddoc · 4,010 bytes
references/multi-field-patterns.mddoc · 3,213 bytes

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# Elasticsearch Index Design

Design explicit index mappings from access patterns, review existing mappings for type and storage mistakes, and apply
corrections through a new index plus reindex when field types must change.

<!-- begin-partial: preamble -->

## Environment Configuration

This skill executes Elasticsearch operations through the `elastic` CLI. If the
[`elastic` CLI](https://github.com/elastic/cli#configuration) is not installed, tell the user what it is needed for. Do
not guess credentials, call the HTTP API directly, or attempt other workarounds.

This skill references operations in HTTP-shorthand form (e.g., `GET /`, `GET /_cat/indices`, `GET /{index}/_mapping`,