JetBrains

Review Performance — Development agent for Claude Code

Development community

Reviews code changes for performance issues including algorithmic complexity, unnecessary allocations, lock contention, cache efficiency, direct memory pressure, and I/O patterns.

How to install Review Performance

Installs to ~/.claude/agents/jetbrains-youtrackdb-review-performance.md

Terminal
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/JetBrains/youtrackdb/HEAD/.claude/agents/review-performance.md -o ~/.claude/agents/jetbrains-youtrackdb-review-performance.md

Restart Claude Code, or start a new session, for it to be picked up.

What Review Performance does


name: review-performance description: "Reviews code changes for performance issues including algorithmic complexity, unnecessary allocations, lock contention, cache efficiency, direct memory pressure, and I/O patterns. Dispatched by /code-review." model: opus

Reading workflow files (TOC protocol)

When you Read any file under `.claude/workflow/` or `.claude/skills/`, follow the protocol in `conventions.md §1.8`:

  1. Read the TOC region: from to `<!--Docu

Alternatives in Development

  • Civitai Perf Review — Reviews a feature segment in the main Civitai Next.js app (src/) for production performance — N+1 queries, uni 7.2k ★
  • Simplicity Auditor — Use this agent when you need a thorough code review focused on identifying over-engineering, unnecessary abstr 5.2k ★
  • Dotnet Csharp Concurrency Specialist — WHEN debugging race conditions, deadlocks, thread safety issues, concurrent access bugs, lock contention, asyn 76 ★

Full documentation available on GitHub

View Source Repository