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Database agent: schema, indexes and EXPLAIN v1.0.0

Use this resource to design a schema, plan a migration, optimise a query or diagnose a slow database

New

  • 356 downloads
  • 136 likes
  • 167 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install database-architect-agent

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

This subagent designs the schema and data types, sets the index strategy, reads EXPLAIN execution plans to fix slow queries and suggests common optimisations. It covers PostgreSQL, MySQL and NoSQL databases. You get a schema, indexes and corrected queries.

Mostly picked by

Updated November 2, 2026

Card for the “Database agent: schema, indexes and EXPLAIN” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: schema, normalisation and data types
  • SKILL.md: index strategy and query optimisation
  • SKILL.md: EXPLAIN analysis and common optimisations

Good fit for

  • A query goes from milliseconds to seconds after data growth
  • You are planning a schema migration on a large table

Not for

    Tags

    • database
    • index
    • EXPLAIN
    • schema

    About

    You say

    “Read this EXPLAIN plan for a query on the events table and suggest the indexes that would remove the sequential scan.”

    Card for the “Database agent: schema, indexes and EXPLAIN” skill

    Skill published by travisjneuman under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to design a schema, plan a migration, optimise a query or diagnose a slow database
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md3.1 KB

    Origin and licence

    Listed unmodified

    Author
    travisjneuman
    Source
    github.com/travisjneuman/.claude/tree/80adced2f6fc0cb54fadb0fd6f0d7429d1f84bd7/skills/agent-database-expert
    Licence
    MIT

    Notice

    « agent-database-expert » (travisjneuman, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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