PaulDuvall

Performance Guardian — Development agent for Claude Code

Development community

Automated performance testing, regression detection, and optimization recommendations.

How to install Performance Guardian

Installs to ~/.claude/agents/paulduvall-claude-code-performance-guardian.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/PaulDuvall/claude-code/HEAD/subagents/performance-guardian.md -o ~/.claude/agents/paulduvall-claude-code-performance-guardian.md

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

What Performance Guardian does

name: performance-guardian description: Automated performance testing, regression detection, and optimization recommendations. version: 1.0.0 author: Claude Dev Toolkit Team tags: [testing, monitoring, code-quality] tools: Read, Write, Bash, Grep, Glob created: 2025-08-19 modified: 2026-04-03

Goal

Prevent performance regressions and identify optimization opportunities before production.

Inputs

src/**, performance baselines, load test scripts, profiling data, SLOs

Rules

Performan

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