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PostgreSQL and MySQL query optimisation v1.0.0

Use this resource to diagnose and speed up slow queries on PostgreSQL or MySQL

New

  • 364 downloads
  • 139 likes
  • 247 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install sql-query-performance-tuning-3

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

The agent measures a baseline, reads EXPLAIN ANALYZE plans, then proposes indexes, rewrites or settings and checks the gain after the change. You get a measured diagnosis and the commands to apply.

Mostly picked by

Updated November 2, 2026

Card for the “PostgreSQL and MySQL query optimisation” skill

Details

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

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What you get

  • SKILL.md: analysis method, from baseline to verification
  • references/index-strategies.md: indexing strategies
  • references/mysql-tuning.md: MySQL settings

Good fit for

  • Pages that slow down as data grows
  • An EXPLAIN plan to interpret before creating an index

Not for

    Tags

    • SQL
    • index
    • EXPLAIN
    • PostgreSQL

    About

    You say

    “This query on the orders table takes 4 seconds: analyse the plan and suggest a covering index.”

    Card for the “PostgreSQL and MySQL query optimisation” skill

    Skill published by jeffallan 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 diagnose and speed up slow queries on PostgreSQL or MySQL
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/index-strategies.md8.3 KB
    • references/monitoring-analysis.md14.7 KB
    • references/mysql-tuning.md11.2 KB
    • references/postgresql-tuning.md10.4 KB
    • references/query-optimization.md5.9 KB
    • SKILL.md6.2 KB

    Origin and licence

    Listed unmodified

    Author
    jeffallan
    Source
    github.com/jeffallan/claude-skills/tree/b7f220d32a0925c9bbfd24995e208e76bb74507c/skills/database-optimizer
    Licence
    MIT

    Notice

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

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