Create phased Implementation Plans from Tech Designs, breaking features into incremental, testable phases with clear acceptance criteria.

Solve linear and nonlinear differential equations using chebops. Use when solving boundary value problems, ODEs, integral equations, or PDEs with spectral methods.

AI/ML engineer — Copilot agents, RAG pipeline, embeddings, prompt engineering, conversation management

Use when testing WCAG compliance, screen reader compatibility, keyboard navigation, ARIA attributes, or ensuring application is accessible to users with disabilities - focuses on a11y testing with axe and Playwright

Rust testing patterns including unit tests, integration tests, async testing, property-based testing, mocking, and coverage. Follows TDD methodology.

Coached interview feedback session

Profile the Python engine to identify performance bottlenecks in NumPy/Numba code

Expert Reddit marketing specialist focused on authentic community engagement, value-driven content creation, and long-term relationship building. Masters Reddit culture navigation.

Create a changeset for package releases. Analyzes commits since the last release, determines affected packages and bump type, and generates a changeset file.

Bug Investigation

'Sub-skill of instrument-data-allotrope: Workflow Overview.'

Use this skill when configuring builds, dependencies, testing, or artifact generation using Gradle.

Analyze and interpret experiment results for the UWB RTI project.

generate research questions based on a task, spec, or ticket

Instagram-specific growth, content planning, Reels and Stories strategy,

freeze

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Expert in web accessibility, WCAG compliance, screen reader optimization, keyboard navigation, ARIA attributes, and inclusive design. Activates for accessibility improvements, WCAG compliance, a11y audits, and inclusive design tasks.

This skill provides guidance for implementing FHIR RESTful APIs according to the HL7 FHIR specification (R4/R5).

Explain what code does line by line so you can understand and learn from it.

Read a past session and produce a structured summary (messages, tool calls, files, decisions)

Guide for defining and using Claude subagents effectively. Use when (1) creating new subagent types, (2) learning how to delegate work to specialized subagents, (3) improving subagent delegation prompts, (4) understanding subagent orchestration patterns, or (5) debugging ineffective subagent usage.

Create a new change folder with metadata

Draft a strategy one-pager — the bet, who it's for, why now, smallest wedge, success criteria, and what we won't do. For exploring a new product, initiative, or direction before writing a PRD. Use when the user wants to propose a bet or align leadership on a direction.

Synchronize shared rules into agent context files and headers.

Guides how to integrate the NNews NuGet package for consuming the NNews CMS API in a .NET 8 project. Use when the user wants to consume articles, categories, tags, images, or AI-powered content generation from the NNews API.

Draft or update design documents based on approved objectives. Use when translating requirements into technical specifications. Covers architecture, data model, API design, and design completeness assessment.

Execution-oriented workflow for HyperParallel distributed operator development. Analyzes the operator, implements or updates code and tests.

Opens files in the user's neovim instance via `nvr`, using the tmux window name to find the correct socket.

Write idiomatic Kotlin code that fits this repository's stack (Kotlin on JVM 21, IntelliJ Platform). Use this skill whenever you add or modify `.kt` files in this repo - it enforces Kotlin coding conventions, nullability rules, scope function choices, and the project's specific idioms (PSI helpers, extension fn patterns, bundle/icon singletons).

Expert knowledge for defining REST and WebSocket APIs with `schematic-define`. Use when creating or editing `RestApi`/`Endpoint` models, auth and env mappings, request or response shapes, and OpenAPI extension behavior that drives generated clients.

Implementa feature nel sistema di fatturazione italiana validando contro normativa fiscale. Usa per aggiungere calcoli IVA, ritenuta d'acconto, split payment, imposta di bollo, gestione fatture PA, regime forfettario, numerazione progressiva, note di credito, o qualsiasi logica che deve rispettare DPR 633/72, DPR 600/73, DPR 642/72. NON usare per bug fix tecnici, refactoring, o modifiche UI senza impatto fiscale.

Insert a new row into a specified Notion database using natural-language property values. Handles property name matching and validation.

This is an AI-first project: any contributor — human or model — should be able to land a change that respects the architecture without needing to read the whole codebase first. The rules below are che

Improve the eval system quality -- add better cases, fix broken cases, improve the LLM judge, add new metrics, or refine pass/fail criteria based on eval run data. Use when the user wants to make the eval system itself better.

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Use when testing API integration, state transitions, error recovery, or full user journeys with browser. For isolated component logic, use vitest-testing.

Ce skill automatise les navigateurs web via Playwright CLI en mode headless. Gère les sessions parallèles nommées, les captures d'écran, l'interaction avec les éléments de page, et le stockage persistant (cookies, localStorage). Token-efficient car basé sur CLI sans chargement de schémas en contexte. Use when l'utilisateur veut automatiser un navigateur, exécuter des tests UI, prendre des screenshots, scraper du contenu web, ou lancer des sessions browser parallèles. Keywords — playwright, headless, browser, test, screenshot, scrape, parallel, QA.

Design multijunction solar cells and bandgap profiles using alloy selection (α-SiGe, α-SiC) and V-shaped grading strategies to optimize carrier collection and overall efficiency. Use this when designing high-efficiency cells, implementing multijunction architectures, or optimizing bandgap profiles.

'Sub-skill of canned-responses: Required Customization (+2).'

1. **Bump version** in `desktop/package.json` (patch bump unless user specifies)

Skill for the Handle area of .closeclaw. 16 symbols across 4 files.

SoNash project context injected into agent definitions via skills: field

Implement React Native mobile apps with TypeScript, Redux Toolkit, Apollo Client, and React Navigation. Use when building cross-platform mobile apps, implementing navigation, or mobile state management. Triggers on requests for React Native, mobile app development, cross-platform apps, or mobile navigation.

Fix a GitHub issue by number. Enforces RED→GREEN→CLEANUP TDD discipline and requires every reproduction case from the issue to have a passing test before any code ships.

This skill identifies and prevents common testing anti-patterns that make test suites unreliable, slow, and difficult to maintain. It provides detection strategies and refactoring solutions for health

Run UnrealCV closed-loop test workflow (build + launch + test)

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Run unit and integration tests

Run Playwright E2E smoke tests or author new spec files for GameChu pages. Use when running E2E tests, playwright tests, smoke tests, browser tests, 브라우저 테스트, end-to-end tests, writing e2e specs, or testing pages with Playwright MCP.