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Found 1,237 Skills
Implement OpenAI Harness Engineering practices in any repository. Use when setting up or refactoring agent-first workflows, writing or upgrading AGENTS.md and PLANS.md, creating deterministic smoke/test/lint/typecheck harness commands, defining strict architecture boundaries and data-shape contracts, wiring observability from day 1, and adding entropy-control checks plus CI automation for reliable autonomous runs.
Module organization patterns including ports and adapters (hexagonal), module communication, and data isolation. Use when structuring modular monoliths, defining module boundaries, setting up inter-module communication, or isolating database contexts. Includes MediatR patterns for internal events.
Teaches the AI to design like a high-end agency. Defines the exact fonts, spacing, shadows, card structures, and animations that make a website feel expensive. Blocks all the common defaults that make AI designs look cheap or generic.
Help define company values and culture for a minimalist business. Use when someone is setting up their company culture, preparing to hire, or wanting to codify what their company stands for.
Dune Sim API for real-time blockchain wallet and token lookups across EVM and SVM chains. Use when user asks about wallet balances, token prices, NFT holdings, DeFi positions, transaction history, wallet activity, token holders, stablecoins, or any real-time on-chain data for a specific address. Triggers: 'check wallet', 'token balance', 'NFT holdings', 'DeFi positions', 'transaction history', 'token holders', 'token price', 'stablecoin balance', 'wallet activity', or any request involving a blockchain address (0x... or Solana base58).
Generate an ethos/ folder that captures a project's vision, principles, personas, and non-goals — the 50k-foot "why behind the what." Use when the user wants to establish project philosophy, define guiding principles, document who the product is for, or create foundational context that agents and humans can reference for decision-making. Triggers: "create an ethos", "define project principles", "document our vision", "set up project philosophy", "who is this product for."
Use when you need to review, improve, or build Spring Boot 4.0.x applications — including proper usage of @SpringBootApplication, component annotations (@Controller, @Service, @Repository), bean definition and scoping, configuration classes and @ConfigurationProperties (with @Validated), component scanning, conditional configuration and profiles, constructor injection, @Primary and @Qualifier for multiple beans of the same type, bean minimization, graceful shutdown, virtual threads, Jakarta EE namespace consistency, and scheduled tasks. Part of the skills-for-java project
Guides the creation of agile user stories and Gherkin feature files. Use when the user wants to create a user story, write acceptance criteria, define Gherkin scenarios, or author BDD feature files. Part of the skills-for-java project
BDD-style behavior specification engine for the skill system. Use when: (1) defining a new skill's behavior before implementation, (2) validating a spec against the schema, (3) generating a behavior contract (Mermaid DAG) from a spec, (4) running structural acceptance tests against a built skill. Workflow: Spec → Test → Develop → Contract.
Design domain-specific agent teams, define specialized agents, and generate the skills they use. Use when you need to decompose a complex project into coordinated multi-agent teams, choose the right architecture pattern (pipeline, fan-out/fan-in, expert pool, producer-reviewer, supervisor, hierarchical delegation), generate .claude/agents/ and .claude/skills/ files, or validate and iterate on generated harnesses. Triggers on: harness, build a harness, design agent team, agent team architecture, multi-agent skill generation, set up harness, harness engineering, domain agent team, harness for this project.
Create or update a RootSpec specification — interview-driven with built-in validation and derived artifact generation. Use this when a user wants to define, expand, revise, or reinterpret their product specification, add features, or edit any spec level.
Trigger: Call this skill when the task you are facing clearly requires collaboration of multiple ideological tools. Common trigger signals include: starting a new project from scratch, tackling complex and difficult problems, iterating and optimizing existing solutions. This skill provides standardized cross-skill workflow combinations to solve the problem of "which skill to use first and how to connect them". English: Trigger when a task clearly requires multiple skills in sequence. Use this skill to select a standard workflow that chains skills together, defines data handoff between steps, and specifies termination conditions.