The library

php-pro · When developing Laravel or Symfony APIs with type safety, dependency injection, and 80%+ test coverage.

delivery.release_notes · When shipping a release and need consistent, value-oriented communication for customers or internal teams.

critical-thinking · When analyzing arguments, practicing Socratic questioning, or developing clear thinking under uncertainty.

playwright-expert · When building maintainable browser automation that resists flakiness via role-based selectors and proper waits.

ac-spec-parser · When loading structured specs (YAML/JSON/Markdown) and extracting requirements for feature generation.

epistemology · When evaluating what counts as knowledge, how beliefs are justified, or foundational epistemological questions.

postgres-pro · When tuning PostgreSQL for production performance via indexes, connection pooling, or replication strategy.

ethics · When evaluating AI policy, stakeholder conflicts, or decisions requiring ethical reasoning.

prompt-engineer · When tuning LLM behavior via prompt design, few-shot demonstrations, or chain-of-thought guidance.

video-chunk · When splitting long videos into searchable segments with thumbnails and aligned transcripts.

formal-logic · When checking argument validity via propositional/predicate logic or verifying deductive reasoning.

python-pro · When building production Python with strict typing, 80%+ test coverage, and async I/O optimization.

bio-experimental-design-power-analysis · When planning experiments with statistical power calculations and multiple-comparison corrections.

metaphysics · When evaluating claims about the nature of existence, identity, or what kinds of things are real.

rag-architect · When building domain-specific QA systems that ground responses in corpus documents via semantic search.

political-philosophy · Analyzing legitimacy of power structures and competing justice frameworks.

rails-expert · Building production Rails apps with real-time updates and background job processing.

empathy-mapping · Synthesizing research into stakeholder profiles during empathize phase of design.

cardiovascular-fitness · Designing evidence-based aerobic training units in PE with baseline and progression assessment.

react-expert · Building modern React architectures with Server Components and minimal client-side state.

apply-migration · Applying schema changes to Supabase with transactional safety and verification logging.

coaching-and-teaching · Designing deliberate practice with high-quality feedback (6-second information bits, M+M modeling).

react-native-expert · Building production mobile apps with cross-platform code sharing and platform-specific optimization.

playbook-quellenkarte · Verifying German legal authorities and citing laws with current status in professional documents.

inclusive-physical-education · Designing co-educational PE units that serve all learners regardless of gender, ability, or prior experience.

rust-engineer · Building systems software and libraries that require both safety and zero-cost performance.

consult-oracle · Retrieving domain context and historical precedents without full web search.

movement-fundamentals · Teaching K-5 motor skill fundamentals with evidence-based progression sequences.

salesforce-developer · Extending Salesforce with custom objects and automation to meet business requirements.

managing-infra · Managing repeatable, observable infrastructure deployments at scale.

sport-education-pedagogy · Structuring multi-lesson sport units with clear objectives, progression, and inclusive assessment.

secure-code-guardian · Finding exploitable code patterns and guiding remediation in production applications.

date-timezone · Ensuring correct cross-timezone scheduling and temporal calculations without off-by-one errors.

strength-and-conditioning · Designing long-term resistance training progressions that peak athletes for competition.

security-reviewer · Building strategic security improvements across engineering teams and infrastructure.

classical-mechanics · Analyzing forces, trajectories, orbital mechanics, or any problem where objects move under deterministic forces

shopify-expert · Building Shopify themes, custom apps, Hydrogen storefronts, or checkout extensions with full stack expertise

meldung-grenzueberschreitend · Determining lead authority and multi-jurisdiction compliance for GDPR data breaches under Art. 56 DSGVO

electromagnetism · Circuit design, electromagnetic wave propagation, optical systems, or problems involving electricity and magnetism

spark-engineer · Large-scale ETL, DataFrame transformations, partitioning, shuffle optimization, or Spark SQL queries

experimental-methods · Measurement methodology, uncertainty analysis, experimental design, data validation, or Fermi estimation

spec-miner · Creating specifications for legacy systems, mapping dependencies, or documenting existing code without docs

better-all · Running multiple async operations with complex interdependencies using automatic DAG optimization

quantum-mechanics · Atomic-scale phenomena, quantum states, superposition, entanglement, tunneling, or subatomic physics

spring-boot-engineer · REST APIs, Spring Security 6, reactive WebFlux, Spring Data JPA, or microservices architecture

relativity-astrophysics · Special relativity, general relativity, black holes, cosmology, or high-velocity/gravity effects

sql-pro · Query optimization, indexing strategy, performance tuning, or advanced SQL patterns

simple-fetch · Reliable HTTP requests with automatic retries, error handling, or timeout management

thermodynamics · Heat engines, entropy, enthalpy, phase transitions, or thermodynamic efficiency calculations

sre-engineer · SLO/SLI definition, error budgets, capacity planning, incident response, or operational resilience