nickcrew/claude-cortex

build-optimization

Build system optimization covering compilation, caching, incremental builds, and developer tooling. Use when improving build times, configuring CI pipelines, or designing developer tools.

First seen Feb 24, 2026

Installation

$ npx skills add nickcrew/claude-cortex --skill build-optimization

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

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Repository health

Stars 38
License LICENSE
Default branch main
Open issues 3
Status Active

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 3,342 B
  • docs SUMMARY.md 213 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 61 installs

SKILL.md

Build Optimization

Expert guidance for optimizing build systems, reducing compilation times, maximizing cache hit rates, and building developer tools that enhance productivity across the development lifecycle.

When to Use This Skill

  • Diagnosing slow build times and identifying bottlenecks
  • Configuring caching strategies (local, remote, distributed)
  • Setting up incremental builds and parallel execution
  • Optimizing CI/CD pipeline performance and cost
  • Designing or improving bundle splitting and tree shaking
  • Building CLIs, plugins, code generators, or IDE extensions
  • Configuring monorepo tooling (Nx, Turborepo, Bazel)
  • Reducing developer feedback loop times (hot reload, watch mode)
  • Managing build artifacts and reproducibility

Quick Reference

Task Load reference
Compilation, caching, incremental builds, CI/CD optimization skills/build-optimization/references/build-systems.md
Plugin systems, code generation, linting, IDE integration, monorepo tooling skills/build-optimization/references/developer-tooling.md

Core Targets

  • Build time under 30 seconds for development builds
  • Rebuild time under 5 seconds with watch mode
  • Cache hit rate above 90% in CI
  • Zero flaky builds in production pipelines
  • Reproducible builds across environments

Workflow

1. Performance Analysis

Profile the current build before making changes.

  • Measure cold build, incremental rebuild, and hot reload times
  • Profile CPU, memory, and I/O during builds
  • Map the dependency graph and identify bottlenecks
  • Evaluate cache hit rates and invalidation patterns
  • Review current tool configuration for missed optimizations

2. Optimization

Apply targeted improvements based on profiling data.

  • Enable incremental compilation and caching
  • Configure parallel execution across available cores
  • Set up code splitting and tree shaking
  • Optimize module resolution and source transformation
  • Implement remote or distributed caching for CI

3. Tooling

Build or configure developer tools for fast feedback loops.

  • Configure watch mode and hot module replacement
  • Set up clear error messages and progress indicators
  • Integrate build analytics and performance dashboards
  • Add pre-commit hooks for format, lint, and validation

4. Monitoring

Track build health over time.

  • Set up automated build time tracking and alerting
  • Monitor cache hit rates and bundle size trends
  • Detect performance regressions in CI
  • Review and optimize periodically based on data

Common Mistakes

  • Optimizing without profiling first
  • Disabling caching due to intermittent issues instead of fixing invalidation
  • Running full builds when incremental builds would suffice
  • Not parallelizing independent build tasks
  • Ignoring I/O as a bottleneck (disk speed, network latency)
  • Letting bundle sizes grow unchecked without analysis
  • Using a single build configuration for development and production