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database-performance

100 / 100 · Low risk

Fine to try.

By nimadorostkar/Claude-Skills-collection (GitHub) · data · 36 stars · scanned at commit 1691932

Use when a database is the bottleneck. Covers finding the expensive queries, index strategy, lock contention, connection saturation, and the schema decisions that make queries fast or impossible. Trigger on "this query is slow", "the page is slow and i think it's the database", "deadlocks in production", "too many connections". Do not use for Postgres-specific vacuum, bloat, or pooling — see the postgres skill; for writing the SQL itself, see the sql skill.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'database-performance' ] || [ -L ~/.agents/skills/'database-performance' ]; then echo 'A skill folder named database-performance already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/nimadorostkar/Claude-Skills-collection' "$d" && git -C "$d" checkout --quiet '1691932edc17063d712a85d02bcc7a1cd3791057' -- 'skills/data/database-performance' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/data/database-performance' ~/.agents/skills/'database-performance' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'database-performance' ~/.claude/skills/'database-performance' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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