FreeSkills
Commits, branches and sync with the but CLI
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- Claude Code
- Codex
- Cursor
- and 3 more
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Use this resource to speed up SQL queries and choose indexes across several engines
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Free
In a terminal, from the folder you want:
npx --yes palatekit@latest install sql-query-performance-tuningWith 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 loginThe agent reviews your queries and their execution plans, then spots anti-patterns: SELECT *, functions applied to indexed columns, unnecessary subqueries. It proposes more efficient indexes, joins, pagination and batch operations. The advice applies to MySQL, PostgreSQL, SQL Server and Oracle.
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Updated November 2, 2026
You say
“This orders query with YEAR(created_at) is slow: rewrite it so it can use an index.”

Skill published by github under the MIT license, delivered in its original version.
Listed unmodified
« sql-optimization » (github, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.
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