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Review Code Performance
Performance review for changes in critical paths and resource-intensive operations Use when this capability is needed.
tomevault-io
Updated Review Code Performance by tomevault-io · dbc7bfe
npx skillmds@latest add tomevault-io/review-code-performance File contents
---name: review-code-performancedescription: Performance review for changes in critical paths and resource-intensive operations Use when this capability is needed.---<when_to_use> <trigger>Changes in hot paths, DB queries, queues, or processing loops</trigger> <trigger>There is a risk of latency, throughput, or cost degradation</trigger></when_to_use><input_requirements> <required>Description of load scenario and critical operations</required> <required>PR/diff with changes</required> <optional>Baseline metrics before the change</optional> <optional>Profiling data, traces, or explain plans</optional></input_requirements><core_checks> <check priority="P0">Algorithmic complexity: no unjustified growth to O(n^2) or worse</check> <check priority="P0">I/O and DB: no N+1, unnecessary round trips, or repeated heavy queries</check> <check priority="P1">Memory: no obvious leaks or unbounded collection growth</check> <check priority="P1">Concurrency: no unnecessary locks, races, or serialized execution where parallelism is needed</check> <check priority="P1">Caching and reuse: heavy computations are not duplicated without reason</check> <check priority="P1">Measurability: at least one verification signal exists (metric, benchmark, trace)</check></core_checks><quality_rules> <rule importance="critical">Performance conclusions are based on data, not assumptions</rule> <rule importance="high">Concrete mitigations are proposed for significant risks</rule> <rule importance="medium">Optimizations without observable benefit are not blockers</rule></quality_rules><do_not> <item importance="critical">Do not do premature micro-optimization outside critical paths</item> <item importance="high">Do not claim a perf regression without a reproducible scenario</item></do_not><output_requirements> <requirement>List of perf risks: area, impact, evidence, recommendation</requirement> <requirement>Note if separate benchmarking/profiling is needed due to insufficient data</requirement></output_requirements>---> Converted and distributed by [TomeVault](https://tomevault.io/claim/ozerohax) — claim your Tome and manage your conversions.<!-- tomevault:4.0:skill_md:2026-04-11 -->
tomevault-io/skills-registry/tree/main/ozerohax--assistagents--performance commit dbc7bfe79f
Frequently asked questions
Run npx skillmds@latest add tomevault-io/review-code-performance in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.
Performance review for changes in critical paths and resource-intensive operations Use when this capability is needed. It is listed under Coding & Dev Tools on SkillMD.
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This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.
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tomevault-io (@tomevault-io) published this skill. Their other Agent Skills are listed on their SkillMD profile.