Loading...
Loading...
Found 1,499 Skills
Rails 7+ framework guardrails, patterns, and best practices for AI-assisted development. Use when working with Rails projects, or when the user mentions Ruby on Rails. Provides ActiveRecord, Hotwire/Turbo, Action Cable, and convention-over-configuration guidelines.
Core Python development concepts, idioms, best practices, and language features. Covers Python 3.10+ features, type hints, async/await, and Pythonic patterns. For running scripts, see uv-run. For project setup, see uv-project-management. Use when user mentions Python, type hints, async Python, decorators, context managers, or writing Pythonic code.
Python coding standards with automatic version detection. Use when writing, reviewing, or refactoring Python to ensure adherence to LBYL exception handling patterns, modern type syntax (list[str], str | None), pathlib operations, ABC-based interfaces, absolute imports, and explicit error boundaries at CLI level. Also provides production-tested code smell patterns from Dagster Labs for API design, parameter complexity, and code organization. Essential for maintaining erk's dignified Python standards.
Comprehensive pytest testing skill for Python projects. Write efficient, maintainable tests with fixtures, parametrization, markers, mocking, and assertions. Use when: (1) Writing new tests for Python code, (2) Setting up pytest in a project, (3) Creating fixtures for test dependencies, (4) Parametrizing tests for multiple inputs, (5) Mocking/patching with monkeypatch, (6) Debugging test failures, (7) Organizing test suites with markers, (8) Any Python testing task.
Structured workflow for writing high-quality Go tests. Applicable scenarios: When a user explicitly requests test generation for specific code, or when new Go code is submitted to the repository.
Use the mermaid-diagrams skill whenever you are creating or updating mermaid diagrams. Provides guidance on mermaid best practices.
Best practices and guidelines for TypeScript (2025-2026 Edition), focusing on TS 5.x+, modern type safety, and performance.
Guide for creating effective internal technical documentation (READMEs, ADRs, Contribution Guides). Use this skill when the user asks to write, refactor, or improve internal project documentation.
General code quality and engineering discipline. Use on any code task to enforce minimal, clean, production-grade changes. Follow these rules when writing, editing, or reviewing code. Activates on: code, implement, fix, build, refactor, feature, bug, change, modify, add, create, develop, write, edit, improve, optimize, update, remove, delete, rename, move, extract, inline, migrate, convert, replace, rewrite.
TypeScript/JavaScript guardrails, patterns, and best practices for AI-assisted development. Use when working with TypeScript (.ts, .tsx) or JavaScript (.js, .jsx) files, package.json, or tsconfig.json. Provides strict mode conventions, async patterns, testing standards, and module system guidelines.
Use this skill whenever writing, reviewing, or refactoring Terraform code that provisions Azure resources. The skill enforces Microsoft Cloud Security Benchmark (MCSB) controls, CIS Azure Foundations Benchmark v2.0 rules, Azure Well-Architected Framework Security Pillar recommendations, and all Terraform IaC best practices that prevent Microsoft Defender for Cloud security recommendations from being raised. Activate whenever the user mentions Azure, azurerm provider, ARM, Defender for Cloud, Terraform on Azure, AKS, App Service, Storage, Key Vault, SQL, PostgreSQL, MySQL, Redis, Service Bus, Event Hub, Cosmos DB, API Management, or any Azure PaaS in a Terraform context — even if they don't explicitly ask about security or MDC.
Use when committing changes, staging files, or finishing work in a git worktree. Covers smart commit, multi-concern splitting, sensitive-file guarding, and worktree merge.