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Database query tuning subagent v1.0.0

Use this resource to analyze slow queries and design indexes to speed up a database

New

  • 531 downloads
  • 30 likes
  • 90 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install database-query-tuning-subagent

First time: connect the CLI with

npx --yes palatekit@latest login

The database-optimizer subagent is called to find slow queries, analyze execution plans, review joins and indexes, and tune database and connection pool settings across several engines.

Mostly picked by

Updated November 2, 2026

Card for “Database query tuning subagent”

Details

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

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What you get

  • The subagent file (in English): role, checklist and optimization methods
  • Index and query rewrite leads, to be validated by measurement

Good fit for

  • A page that loads slowly because of a SQL query
  • A database whose locks and cache hit rate are degrading

Not for

    Tags

    • database
    • sql queries
    • indexes
    • execution plan

    About

    You say

    “Analyze this slow query, read its execution plan and suggest the missing indexes.”

    Card for “Database query tuning subagent”

    Subagent published by VoltAgent under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Copy the file into .claude/agents/ (project) or ~/.claude/agents/ (all your projects)
    2. Ask your agent to analyze slow queries and design indexes to speed up a database, or call the subagent by name
    3. Review its work

    Content preview

    Files

    • database-query-tuning-subagent.md6.7 KB
    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB

    Origin and licence

    Listed unmodified

    Author
    VoltAgent
    Source
    github.com/VoltAgent/awesome-claude-code-subagents/blob/f2e2ea7e0202cc05fa2d469fcb2c57fe08603450/categories/05-data-ai/database-optimizer.md
    Licence
    MIT

    Notice

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

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