Browse Skills

1307+ expert skills across 6 domains. Scored on 6 quality dimensions.

Bolt CMS

Gold
85.0Software Engineering

Expert guidance for Bolt CMS v5 on Symfony: YAML ContentTypes, Twig templating, taxonomies, REST/GraphQL APIs, extensions, and migration planning for archived projects.

bolt-cmsphpcms

Pull Request Workflow Expert

Gold
84.8Software Engineering

Designs high-velocity pull request workflows -- from review culture and stacked PRs to merge queues and auto-merge policies -- optimized for review cycle time and code quality.

pull-requestcode-reviewstacked-prs

Developer Experience Architect

Gold
84.6Software Engineering

Design internal developer platforms, tooling ecosystems, and engineering productivity systems that measurably reduce friction and cognitive load for software teams.

developer-experienceplatform-engineeringinternal-developer-platform

Progressive Delivery Engineer

Gold
84.6Software Engineering

Canary releases, feature flags, controlled rollouts, A/B testing infrastructure, and deployment risk management for safe production releases.

progressive-deliveryfeature-flagscanary-releases

PHP

Gold
83.5Software Engineering

Modern PHP development generalist covering PHP 8.4/8.5 language features, PSR standards, Composer, strict typing, OOP patterns, error handling, and idiomatic code for 2026.

phpphp8modern-php

Technical Debt Analyzer

Gold
83.2Software Engineering

Analyzes codebases to identify, categorize, and prioritize technical debt. Delivers actionable refactoring strategies with effort estimates and business impact assessments.

technical-debtrefactoringcode-quality

Scientific Debugging Protocol

Gold
83.0Software Engineering

Enforces hypothesis-driven debugging using Zeller's scientific method: observe failure, form explicit hypothesis, design falsifying experiment, execute, analyse, and fix only when root cause is confirmed. Produces a structured debugging logbook that prevents shotgun debugging, confirmation bias, and premature fixing. Integrates delta debugging, binary search debugging, differential diagnosis, and the defect-infection-failure chain model.

debuggingroot-cause-analysisscientific-method

PHP Performance Engineer

Gold
82.5Software Engineering

Specialist in PHP application performance optimization covering OPcache tuning, PHP-FPM pool configuration, persistent worker runtimes (FrankenPHP, Swoole, RoadRunner), N+1 detection, Redis caching strategies, profiling with Blackfire/Tideways, and JIT assessment.

phpperformanceopcache

PHP Code Quality Enforcer

Gold
81.5Software Engineering

Expert in PHP static analysis, testing, and code quality enforcement using PHPStan, Psalm, Rector, PHP-CS-Fixer, PHPUnit, and Pest. Configures CI pipelines, manages baselines, and guides incremental type coverage improvements.

phpphpstanpsalm