The library
Everything we index — ranked by what works, never by stars.
forSalesMarketingHRFinanceLegalOpsProductEngineeringDataProductivitySupportsetup≤ plug & play≤ + a key≤ multi-tool
● works · ● untested / no effect · ● hurts — every rank is measured against a no-skill baseline
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Implement inclusive physical education programsskillL1
inclusive-physical-education · Designing co-educational PE units that serve all learners regardless of gender, ability, or prior experience.
Write idiomatic Rust with memory safetyskillEngineeringL1
rust-engineer · Building systems software and libraries that require both safety and zero-cost performance.
Escalate hard problems to ChatGPT Pro oracleskillL1
consult-oracle · Retrieving domain context and historical precedents without full web search.
Teach fundamental movement and motor skillsskillL1
movement-fundamentals · Teaching K-5 motor skill fundamentals with evidence-based progression sequences.
Develop Apex and Lightning Web ComponentsskillEngineeringSalesL2
salesforce-developer · Extending Salesforce with custom objects and automation to meet business requirements.
Structure Sport Education pedagogy and unitsskillL1
sport-education-pedagogy · Structuring multi-lesson sport units with clear objectives, progression, and inclusive assessment.
Implement authentication and prevent vulnerabilitiesskillEngineeringL2
secure-code-guardian · Finding exploitable code patterns and guiding remediation in production applications.
Handle dates and timezones correctlyskillEngineeringL1
date-timezone · Ensuring correct cross-timezone scheduling and temporal calculations without off-by-one errors.
Design strength training and conditioning programsskillL1
strength-and-conditioning · Designing long-term resistance training progressions that peak athletes for competition.
Audit code and infrastructure for securityskillEngineeringOpsL2
security-reviewer · Building strategic security improvements across engineering teams and infrastructure.
Solve classical mechanics and physics problemsskillL1
classical-mechanics · Analyzing forces, trajectories, orbital mechanics, or any problem where objects move under deterministic forces
Build and customize Shopify storefrontsskillEngineeringSalesL2
shopify-expert · Building Shopify themes, custom apps, Hydrogen storefronts, or checkout extensions with full stack expertise
Report cross-border data breach complianceskillLegalOpsL2
meldung-grenzueberschreitend · Determining lead authority and multi-jurisdiction compliance for GDPR data breaches under Art. 56 DSGVO
Solve electromagnetism and Maxwell equationsskillL1
electromagnetism · Circuit design, electromagnetic wave propagation, optical systems, or problems involving electricity and magnetism
Master experimental physics methodsskillEngineeringL1
experimental-methods · Measurement methodology, uncertainty analysis, experimental design, data validation, or Fermi estimation
Extract specifications from legacy codeskillEngineeringL2
spec-miner · Creating specifications for legacy systems, mapping dependencies, or documenting existing code without docs
Parallelize async operations with DAGskillEngineeringL2
better-all · Running multiple async operations with complex interdependencies using automatic DAG optimization
Master quantum mechanics principlesskillL1
quantum-mechanics · Atomic-scale phenomena, quantum states, superposition, entanglement, tunneling, or subatomic physics
Build Spring Boot microservicesskillEngineeringL2
spring-boot-engineer · REST APIs, Spring Security 6, reactive WebFlux, Spring Data JPA, or microservices architecture
Understand relativity and astrophysicsskillL1
relativity-astrophysics · Special relativity, general relativity, black holes, cosmology, or high-velocity/gravity effects
Optimize database schemas and queriesskillEngineeringL2
sql-pro · Query optimization, indexing strategy, performance tuning, or advanced SQL patterns
Fetch URL content with CLIskillEngineeringL2
simple-fetch · Reliable HTTP requests with automatic retries, error handling, or timeout management
Apply thermodynamics principlesskillL1
thermodynamics · Heat engines, entropy, enthalpy, phase transitions, or thermodynamic efficiency calculations
Annotate biological sequencesskillEngineeringL2
bio-annotation · Gene annotation, sequence analysis, or biological data enrichment pipelines
Facilitate structured group problem-solvingskillProductivityL1
collaborative-problem-solving · Group decision-making, brainstorming, resolving conflicts, or cross-functional ideation
Build iOS and macOS appsskillEngineeringL2
swift-expert · Swift concurrency, SwiftUI, async/await, actor isolation, or Apple platform development
Define new data column conventionsskillDataL1
new-column · Schema evolution, adding new data fields, or incremental database schema changes
Apply design thinking to problemsskillProductL1
design-thinking-ps · Problem framing, user research, prototyping, iterative testing, or ill-structured problem solving
Debug Manim animation scenesskillEngineeringL2
manim-skill · Iterating on complex animations by rendering frames and diagnosing visual issues before committing to final video production.
Solve mathematical problems systematicallyskillL1
mathematical-problem-solving · Solving proof-based and computational math problems where Polya's phases and Schoenfeld's control prevent dead-end grinding.
Design comprehensive test strategiesskillEngineeringL2
test-master · Designing comprehensive test architectures across unit, integration, E2E, performance, and security when coverage gaps risk production failures.
Monitor problem-solving progressskillProductivityL1
metacognitive-monitoring · Preventing unproductive grinding by actively checking progress every 2-5 minutes and switching strategies when stalled.
Challenge ideas with critical reasoningskillProductivityL1
the-fool · Stress-testing decisions via pre-mortems and red teams before committing when a single bad choice carries high cost.
Manage environment variables securelyskillEngineeringL1
env-handler · Securing API keys and secrets in .env.local while distributing safe templates in .env across the team.
Comprehend problems systematicallyskillProductivityL1
problem-comprehension · Avoiding misinterpreted problems by systematically identifying knowns, unknowns, constraints, and problem type before solving.
Build advanced TypeScript type systemsskillEngineeringL2
typescript-pro · Building type-safe APIs where branded types and discriminated unions catch misuse at compile time rather than runtime.
Match problems to solving strategiesskillL1
strategy-selection · Matching well-understood problems to their natural solving strategy rather than brute-forcing with trial-and-error.
Build Vue 3 components with vanilla JavaScriptskillEngineeringL2
vue-expert-js · Building Vue 3 Composition API components in JavaScript with JSDoc types when TypeScript setup adds overhead.
Onboard new team members systematicallyskillHRL2
team-onboarding · Accelerating new developer ramp-up through structured context transfer, pair programming, and guided codebase tours.
Run Agile and Lean development cyclesskillOpsL2
agile-methods · Running iterative sprints with clear ceremonies, retrospectives, and continuous feedback when coordination overhead matters.
Build Vue 3 apps with Composition APIskillEngineeringL2
vue-expert · Building Vue 3 Composition API components with strict type safety across composables, routing, and state management.
Plan and estimate software projectsskillOpsL2
estimation-planning · Breaking large work into estimable pieces and adding contingency buffers when time accuracy drives scheduling.
Improve quality and test coverageskillEngineeringL2
quality-assurance · Designing QA workflows that balance automated gate checks with manual exploration when shipping must meet quality bars.
Find the actual root causeskillL1
find-bug-root-cause · Isolating elusive bugs using binary search and hypothesis testing rather than random code inspection or blame.
Run blameless postmortems and retrosskillOpsL2
retrospective-learning · Extracting actionable improvements from past work when structured reflection beats informal debrief discussions.
Identify and manage project risksskillOpsL2
risk-management · Projects where risk blindsides kill delivery; proactive identification beats reactive firefighting.
Review code against latest standardsskillEngineeringL2
quality-reviewing · Catching ecosystem mismatches before they reach production; complements automatic hook with external verification.
Communicate with project stakeholdersskillOpsL2
stakeholder-communication · Projects where stakeholder misalignment kills adoption; communication is connective tissue.
Track client deliverables in GitHubskillOpsL2
deliverable-tracking · Client work where explicit tracking + dynamic labels beat unstructured task lists.
Learn behavioral neuroscience foundationsskillL1
behavioral-neuroscience · Understanding brain constraints on behavior, design decisions informed by neural limits, or psychopharmacology reasoning.