TypeScript-first schema validation library. Use for ALL input validation in TypeScript projects — API inputs, form data, environment variables, config files.
Expert in background job processing with Bull/BullMQ (Redis), Celery, and cloud queues. Implements retries, scheduling, priority queues, and worker management.
Use when adding background jobs (Bull queues) or a Redis cache to a backend service — multi-queue architecture, enqueue/process, dynamic delayed jobs, job idempotency via a DB…
Build Backstage backend plugins with createBackendPlugin and core services: DI, httpRouter, secure-by-default auth, Knex DB, routes, testing. Use for APIs and background jobs.
Build Backstage frontend plugins with the new Frontend System: createFrontendPlugin, blueprints, routes, Utility APIs, testing. Use for pages, nav, entity content, or cards.
Backtest results interpreter and strategy evaluator. Analyzes historical backtest performance, identifies strengths/weaknesses, and provides actionable recommendations for…
Critical fix for backtest capital accounting when equity curves are inflated or drawdown metrics are meaningless
Converting backtest visualizations from bar indices/timesteps to actual datetime axes for clearer time context
Build a backtest that will not lie to you — the engineering, not the statistics. Use when implementing, reviewing, or debugging a backtest/simulation of a trading or…
Expert guidance for systematic backtesting of trading strategies. Use when developing, testing, stress-testing, or validating quantitative trading strategies.
Expert guidance for systematic backtesting of trading strategies on Indian markets (NSE/BSE). Use when developing strategies, testing robustness, avoiding overfitting, or…
Save backtest results to SQLite database for comparison. Trigger when: (1) tracking backtest history, (2) comparing model performance, (3) querying best backtests.
Guide agents through backtesting strategy ideas with automatic data fetching and performance analysis
Comprehensive guidance for interpreting backtest results and detecting overfitting (project) — from engineering/testing
Comprehensive guidance for interpreting backtest results and detecting overfitting (project) — from majiayu000/claude-skill-registry
Phylax Credible Layer assertions backtesting. Runs assertion backtests against historical transactions.
Build robust, production-grade backtesting systems that avoid common pitfalls and produce reliable strategy performance estimates.
Build robust backtesting systems for trading strategies with proper handling of look-ahead bias, survivorship bias, and transaction costs.
Build robust backtesting systems for trading strategies with proper handling of look-ahead bias, survivorship bias, and transaction costs.
backtesting.py configuration for SQL oracle validation and range bar pattern backtesting. Use when running backtesting.py against ClickHouse SQL results, configuring Backtest()…
Backtest crypto and traditional trading strategies against historical data. Calculates performance metrics (Sharpe, Sortino, max drawdown), generates equity curves, and optimizes…
PostgreSQL's backup + point-in-time recovery — `pg_basebackup` + WAL archiving (archive_command / archive_library) + `restore_command` + `pg_wal_replay_*` targets + the…
Comprehensive guide to backward compatibility rules for APIs, databases, and data contracts with migration strategies and testing approaches
MicroPython REPL usage, package management, module inspection, and interactive debugging for Universe 2025 (Tufty) Badge.
Create MicroPython applications for Universe 2025 (Tufty) Badge including display graphics, button handling, and MonaOS app structure.
Deployment workflows, file management, and project organization for Universe 2025 (Tufty) Badge. Use when deploying apps to MonaOS, managing files on device, syncing projects,…
Badi's behavioral discipline distilled into a portable skill — surgical changes, simplicity first, think before coding, goal-driven execution, yak-shave detection, TaskBoard…
Business Architecture Decision Records. Documents the business context, opportunity cost, and ROI of technical choices.
Use when configuring docker/bake-action: the `set` parameter has higher precedence than `push`; an unconditional `*.output=type=cacheonly` silently prevents image pushes on main.
Interactúa con el CLI `bal` para gestionar finanzas personales (app Balance con Supabase). Usa cuando el usuario menciona registrar un gasto o ingreso, consultar saldo, ver…
Analyze game balance by extracting stats from code and running mathematical simulations. Calculates DPS tier lists, TTK matrices, EHP comparisons, and character power rankings.
The Balanced Coupling model for software design. Use when: designing modular architectures, evaluating coupling between components, reviewing code modularity, deciding whether to…
Use when decisions happen async — reviewer(s) look at it over chat, on a PR, on a train, or any time outside the agent session.
Configure CI/CD pipelines for BambooHR integrations with GitHub Actions, automated testing, and secret management.
Diagnose and fix BambooHR API errors and exceptions. Use when encountering BambooHR errors, debugging failed requests, or troubleshooting HTTP 400/401/403/404/429/500/503…
Optimize BambooHR integration costs through request reduction, caching, and usage monitoring. Use when analyzing API usage patterns, reducing unnecessary calls, or implementing…
Collect BambooHR debug evidence for support tickets and troubleshooting. Use when encountering persistent issues, preparing support tickets, or collecting diagnostic information…
Deploy BambooHR integrations to Vercel, Fly.io, and Cloud Run platforms. Use when deploying BambooHR-powered applications to production, configuring platform-specific secrets, or…
Create a minimal working BambooHR example — fetch employee directory and single employee. Use when starting a new BambooHR integration, testing your setup, or learning basic…
Configure BambooHR local development with hot reload, mocking, and testing. Use when setting up a development environment, configuring test workflows, or establishing a fast…
Optimize BambooHR API performance with caching, batch reports, incremental sync, and connection pooling.
Execute BambooHR production deployment checklist and rollback procedures. Use when deploying BambooHR integrations to production, preparing for launch, or implementing go-live…
Implement BambooHR rate limiting, backoff, and request optimization. Use when handling 429/503 rate limit errors, implementing retry logic, or optimizing API request throughput…
Implement BambooHR reference architecture for production HR data pipelines. Use when designing new BambooHR integrations, building employee sync systems, or establishing…
Generates production-ready BAML applications from natural language requirements. Creates complete type definitions, functions, clients, tests, and framework integrations for data…
Minimal BAML skill. BAML is a statically-typed, expression-oriented language with first-class LLM functions — TypeScript-like, snake_case methods, etc.
BAML (Boundary ML) expert for projects defining LLM calls as typed functions in .baml files with a generated Python client.
Architecture guidance for Salesforce FSC banking and Digital Lending: loan origination platform design, ResidentialLoanApplication data model, payment processing integration…
Manages banking relationships — account optimization, fee negotiation, credit facility oversight, treasury yield, and fraud prevention.
Calculates pre-petition interest for bankruptcy proofs of claim and produces a filing-ready worksheet.
Use when implementing or debugging code that uses @suaveplan/barcode: Barcode generation and parsing for common 1D symbologies: Code 128, Code 39, EAN-13, EAN-8, UPC-A, UPC-E, ITF.
Run isolated eval and grading calls using CC 2.1.81 --bare mode. Constructs claude -p --bare invocations for skill evaluation, trigger testing, and LLM grading without plugin/hook…
Use when bringing up bare-metal or kernel code on a new architecture, SoC, or board (RISC-V, ARM, x86, ESP32) and it won't boot, hangs after boot, or faults early; covers trap…
Supporto documentale al superamento delle barriere architettoniche negli edifici privati e di edilizia residenziale pubblica, secondo la Legge 9 gennaio 1989, n. 13 e il D.M.
Authentication scaffolding Laravel — Breeze (Blade+Alpine ou React/Vue), Jetstream (Livewire ou Inertia, Teams, 2FA) e Fortify (headless).
Estratégias de Deploy Laravel — Forge, Vapor, Envoyer, Docker Compose, CI/CD (GitHub Actions), Zero-downtime, migrations seguras, gestão de workers e cron jobs em produção.
Excelência em contentores Docker — Dockerfile, Docker Compose (Compose Specification), BuildKit, redes, volumes, secrets, healthchecks, multi-stage builds, segurança de imagens,…
Filament 5.x — Panels, Resources, Tables, Schemas (Forms + Infolists), Actions, Widgets, multi-tenancy nativa e integração com Livewire 4 + Tailwind CSS v4.
Laravel Horizon — instalação, filas nomeadas por domínio, prioridades, supervisor config, métricas e failed job management.
Laravel AI SDK — Agents, structured output, tools, streaming, embeddings, vector stores, imagens, áudio TTS/STT e failover multi-provider.