Desenvolvimento

Nix naming conventions for files, variables, packages, and NixOS options based on nixpkgs official coding standards. Use when writing or reviewing Nix code.

Este adaptador de autocompreensão em linha utiliza um motor de destilação para extrair a essência de textos longos e renderizá-los como markdown em linha. Ele gera apenas saída, sem criação de arquivos, e corrige automaticamente 'audience=me'.

Update Cabal project index-state to the latest timestamp. Use when it needs to bump the cabal index-state.

Cria arquivos README.md específicos para repositórios que funcionam como páginas de destino, guias de integração e sinais de confiança. Esta habilidade é usada quando um usuário solicita escrever, reescrever, melhorar, auditar, localizar ou reestruturar um README, ou quando uma base de código precisa de uma visão geral do projeto voltada para o GitHub.

Use when tests have race conditions, timing dependencies, or inconsistent pass/fail behavior - replaces arbitrary timeouts with condition polling to wait for actual state changes, eliminating flaky tests from timing guesses

Create and manage temporary/disposable email inboxes via tempmail.lol API (no dependencies, just curl). Use whenever the user needs a throwaway email — E2E testing, account registration, email verification, OTP confirmation, or any disposable inbox scenario. Triggers on: "temp email", "temporary email", "disposable email", "docasny email", "docasna schranka", "throwaway email", "fake email for tes

Arquivado. As habilidades ativas de PM do Lenny agora estão em claude-code-skills, sob product-management/lenny-*.

Revenue analytics architecture - ARR / NRR / GRR decomposition, cohort retention, expansion drivers, segment economics, and CAC payback diagnostics. Use when: revenue analytics, ARR waterfall, NRR analysis, GRR, expansion analysis, cohort revenue retention, CAC payback, magic number, segment economics, revenue diagnostics.

Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing applications for better maintainability.

Generate a single canonical AGENTS.md context file plus minimal CLI-specific shim files that @-import it for coding agents that do not read AGENTS.md natively (Claude Code, Gemini CLI, Qwen Code). Based on "Evaluating AGENTS.md" (ETH Zurich, Feb 2026) which found auto-generated context files DECREASE performance by ~3% and increase costs by 20-23%, while minimal human-written files improve perform

Product announcement and launch communications generator that creates coordinated multi-channel launch messaging from press releases to social posts to internal comms. Use when: product announcement, launch announcement, product launch comms, press release, launch communications, announce new feature, announce new product.

Algoritmo de Dijkstra: Caminhos Mais Curtos em Grafos Ponderados