# Ecto

> Ecto database toolkit reference for Elixir. Covers schemas, changesets with validation, composable query DSL, joins, preloading, aggregates, migrations, transactions with Ecto.Multi, and embedded schemas.

- Skill: `bytesagain/ecto` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add bytesagain/ecto`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bytesagain/ecto/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: bytesagain (https://skillmd.com/u/bytesagain)
- Updated: 2026-08-19
- Page: https://skillmd.com/skills/bytesagain/ecto

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# Ecto Reference

Elixir database toolkit with composable queries.

## Commands

| Command | Description |
|---------|-------------|
| `intro` | Overview, components |
| `schema` | Schemas, changesets |
| `queries` | Query DSL, joins, preload |
| `migrations` | Migrations, transactions |