Modify an existing feature with impact analysis and backward compatibility

Create a refactoring workflow with metrics tracking and behavior preservation

Generate a deeply-reasoned, implementation-ready task breakdown for the

When the user wants to plan a social media content strategy, decide what to post, or figure out topic clusters and content mix. Also use when the user mentions 'content strategy,' 'what should I post,' 'content ideas,' 'topic clusters,' 'content pillars,' 'content planning,' 'content mix,' 'I don't know what to post,' or 'social media strategy.' Use this to define the what and why of posting. For writing actual posts, see post-writer-sms. For scheduling, see content-calendar-sms. For platform-specific tactics, see platform-strategy-sms.

When the user wants to write a social media post for LinkedIn, Twitter/X, Threads, or Bluesky. Also use when the user mentions 'write a post,' 'draft a post,' 'LinkedIn post,' 'tweet,' 'Threads post,' 'Bluesky post,' 'social media post,' 'help me write,' or shares a topic and wants it turned into a post. For multi-part content, see thread-writer-sms. For carousels, see carousel-writer-sms. For opening lines specifically, see hook-writer-sms.

When converting HTML templates to React + Vite, images with `wow` animation classes (specifically `img-custom-anim-left`, `img-custom-anim-right`, `img-custom-anim-top`) were not visible on the page.

You are an expert at building modern command-line tools following current best practices. Use this guide when creating CLI applications.

Use this skill to generate images locally using the FLUX.2 Klein 4B model.

Use NoCFO CLI for bookkeeping, invoicing, reporting, and schema introspection. Use when the user wants to query or update NoCFO data from an agent through terminal commands.

Adversarial evolutionary QA using Digital Red Queen. Code and tests coevolve via deterministic state machine execution.

Ensure that controller manager healthz endpoints are protected by RBAC (Manual)

Check skill documentation by applying corrections discovered during execution with

Use this skill when:

Generate TDD task breakdown for SDD workflow. Use when breaking down design into implementable tasks with test-first approach. Invoked via /sdd-tasks <feature-name>.

Superteam Academy — decentralized learning platform on Solana with soulbound XP tokens (Token-2022), Metaplex Core credentials, course registry, achievements, and creator incentives. Covers Anchor program development, testing with LiteSVM/Mollusk/Trident.

Analyze the current repo structure, build system, test setup, and conventions to provide a practical onboarding guide. Use when new to a codebase, joining a project, or wanting to understand how a repo is organized. Triggers on getting started, new to repo, onboard, how does this repo work, repo structure, codebase overview.

Create and improve Claude Code skills. Use when drafting new skills, writing SKILL.md files, improving skill descriptions, or structuring skill directories. Triggers on requests to create skills, write skills, draft skills, improve skill triggering, or fix skills that aren't activating.

Scan Apple Mail inbox for unread, actionable, and priority messages. Use this when the user asks to check their email, see unread messages, find urgent emails, or triage their inbox. Returns categorized email counts and details from the last 24-48 hours.

Research and gather reliable information about libraries, APIs, specifications, and best practices. Use when you need to understand external documentation before planning or implementing a feature.

This skill guides you through writing tests for this Bun + Hono project.

FlightJar's Comm-B decoder matches pyModeS 3.x byte-for-byte. When adding

Mass spectrometry analysis. Process mzML/MGF/MSP, spectral similarity (cosine, modified cosine), metadata harmonization, compound ID, for metabolomics and MS data processing.

Keeps Which Key Lazy documentation in sync with code changes. Use this skill when you need to verify documentation accuracy after code changes, or when checking if documentation (README.md, CLAUDE.md) matches the current codebase. The skill can work bidirectionally - from docs to code verification, or from code changes to documentation updates.

Generate a complete, production-ready application from an OpenAPI specification. Use when creating controllers, services, models, and configurations from an OpenAPI/Swagger spec.

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs. Includes 149 tests e2e pour Construction Gauthier / Ma Place RH.

Provision instant temporary Postgres databases via Claimable Postgres by Neon (pg.new). No login or credit card required. Use for quick Postgres environments and throwaway DATABASE_URL for prototyping.

You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.

Add a new REST API endpoint to the Petal Pro API layer. The argument should describe the resource and actions.

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy. Activate even when the user says 'create a skill for X', 'the skill is not triggering', 'improve this skill description', 'the agent is not using the skill', 'add a skill to teach the agent how to do X', 'this skill is wrong', or 'update the skill' without explicitly mentioning evals or benchmark.

Contribute skills back to upstream via branch and PR

Design multi-agent architectures for complex tasks. Use when single-agent context limits are exceeded, when tasks decompose naturally into subtasks, or when specializing agents improves quality.

Generate FOSMVVM Fields protocols with validation rules, FormField definitions, and localized messages. Define form contracts once, validate everywhere.

The CLI uses Chrome/Chromium via CDP directly. Install via `npm i -g agent-browser`, `brew install agent-browser`, or `cargo install agent-browser`. Run `agent-browser install` to download Chrome. Run

Prisma ORM expert for schema design, migrations, query optimization, relations modeling, and database operations. Use PROACTIVELY for Prisma schema issues, migration problems, query performance, re...

Simplifies and refines code for clarity, consistency, and maintainability while preserving all functionality. Focuses on recently modified code unless instructed otherwise.

Generate destination code from analysis documents (OpenAPI or web-based) and user-selected actions

Master orchestrator for generating Ralph Wiggum-compatible prompts. Analyzes task requirements and routes to appropriate generator (single-task, multi-task, project, or research). Use when you need to create any Ralph loop prompt and want automatic selection of the right generator.

Cut a release of hubble-satnet-decoder — bumps version, generates release notes from commits, commits, tags, and pushes to trigger the PyPI release workflow. Use this skill when the user wants to release, publish, cut a release, bump version, or push a new version to PyPI. Invoke via /release.

Add new feature with full validation: $ARGUMENTS (feature name)

Creates, extends, and implements OpenAPI 3.x specifications.

Performance optimization skill for code, queries, builds, and runtime. Use when improving speed, reducing bundle size, fixing memory leaks, or optimizing database queries.

Create new skills following TDD methodology with subagent testing

Habilidad especializada para implementar y mantener el sistema de analytics del proyecto, incluyendo tracking de eventos, métricas e-commerce, integración con GA4 y dashboard administrativo.

This skill adds new chain in the app using chain description and specs.

Python backend development standards for FastAPI, SQLModel, and pytest. Enforces Ruff linting, Pyright type checking, and test coverage. Use when writing Python code, creating API endpoints, implementing services, adding database models, or modifying backend logic in src/merchant/, src/payment/, or src/apps_sdk/.

Analyze codebase or context per foundation analyze command.

DevOps specialist for CI/CD, infrastructure as code, and deployment automation. Invoke for pipelines, Docker, Kubernetes, cloud platforms, GitOps. Keywords: DevOps, CI/CD, Docker, Kubernetes, Terraform, GitHub Actions.

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