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Found 41 Skills
[UDS] Guide through Behavior-Driven Development workflow
Connect the complete AI development workflow through documents. It covers domain modeling and code organization (DDD), behavior verification and automated testing (BDD), as well as AI development specification setting (Agent specifications). Use when (1) the project has .feature files, (2) the user asks to organize code by business features or define naming conventions, (3) creating or updating AGENTS.md / project rule files, (4) writing or implementing Gherkin scenarios, (5) starting a new project from scratch, or (6) the agent needs the full development lifecycle.
Write BDD test scenarios in Gherkin for a feature
Use BEFORE brainstorming — when the user wants to capture WHAT a feature should do as Gherkin scenarios. Trigger when the user says "I need to build X", "let's spec this out", "what should this feature do?", or wants to formally capture a new edge case or bug as a BDD scenario.
CRITICAL: Use for writing and editing agent-spec .spec files. Triggers on: write spec, create spec, edit spec, new spec, spec authoring, task contract, .spec file, BDD scenario, acceptance criteria, completion criteria, test selector, boundary, constraint, intent, decision, out of scope, "how to write a spec", "spec format", "spec syntax", "contract quality", 写 spec, 创建规格, 编辑合约, 任务合约, 验收标准, 完成条件, BDD 场景, 测试选择器, 约束, 意图, 决策, 边界, 排除范围, "怎么写 spec", "spec 格式", "spec 语法", "合约质量"
Generates high-quality Gherkin (BDD) scenarios from functional requirements using a two-agent iterative cycle: a generator agent that creates/modifies the Gherkin and a reviewer agent that validates it and proposes improvements. The cycle repeats automatically until the Gherkin passes review. Use this skill whenever the user mentions: "generate Gherkin", "BDD scenarios", "Gherkin test cases", "Feature/Scenario/Given/When/Then", "requirements to Gherkin", "BDD specifications", or asks to transform functional requirements into behaviour tests. Also applies when the user brings a requirements document and wants test cases, acceptance criteria, or user stories with executable examples.
Generate user story map with BDD acceptance criteria when the user asks to create user stories, write stories, or break down a feature into stories
Write clear, testable requirements using User Stories and Gherkin scenarios. Capture functional and non-functional requirements with proper acceptance criteria. Use when defining new features or documenting system behavior. Trigger keywords: requirements, user stories, acceptance criteria, Gherkin, BDD, specifications, feature definition
Comprehensive BDD testing with Cucumber and Gherkin syntax. Use when writing feature files (.feature), step definitions, hooks, or implementing Behaviour-Driven Development. Covers Gherkin keywords (Feature, Scenario, Given/When/Then, Background, Scenario Outline, Rule), step definition patterns for Ruby/JavaScript/Java/Python, hooks (Before/After/BeforeAll/AfterAll), tags, data tables, doc strings, and best practices. Triggers on cucumber, gherkin, BDD, feature files, step definitions, acceptance testing, executable specifications.
This skill should be used when the user has a completed implementation plan (plan.md) and is ready to execute the tasks defined therein. Actively uses Agent Teams or subagents to execute batches of independent tasks in parallel, following BDD/TDD principles.
TDD/BDD testing principles, test patterns, and coverage strategies
Build phase of RDD. Turns behavior scenarios into executable BDD specs, then implements via TDD (red/green/refactor). Enforces structure-vs-behavior separation, composable tests, and small reversible steps. Use after /rdd-decide when scenarios and domain model are approved.