Development

TheGraph subgraph development with AssemblyScript handlers, schema definitions, and Matchstick testing. Triggers on subgraph, thegraph, graphql, mapping.ts.

Converts approved design documents into agent-executable XML subtasks. Use after a design doc is approved and ready for implementation.

Service workers, offline-first, app manifest, and native-like web experiences.

Build the Gambit game engine (Server and Client executables). Use when the user wants to compile the project, needs to rebuild after code changes, or before running the server or client.

Guide to designing and implementing tools for the vscode-copilot-chat extension, including patterns, testing, and best practices

Senior Rust engineer for systems programming. Use for ownership, async Rust, and zero-cost abstractions.

Automatically manage Python virtual environments (.venv) in terminal commands. Always activate .venv before running Python/pip commands. Use when executing Python scripts, installing packages, or running development servers. Critical for consistent environment management.

SQLAlchemy Python SQL toolkit and ORM with powerful query builder, relationship mapping, and database migrations via Alembic

Guide for using pagent - a PRD-to-code orchestration tool. Use when users ask how to use pagent, run agents, create PRDs, or transform requirements into code.

Dapr (Distributed Application Runtime) integration patterns for microservices. Covers Pub/Sub, State Store, Jobs API, Secrets Management, and Service Invocation with HTTP APIs. Full Dapr implementation with all 5 building blocks. Use this Skill whenever you need to integrate Dapr building blocks into your microservices, publish/subscribe to events, manage state, schedule jobs, access secrets, or invoke services via Dapr.

Generate course content for HPM 883 (PhD Advanced Quantitative Methods) following establishedtemplates, pedagogical principles, and accessibility requirements. Supports unit planning,session generation, code-along creation, problem sets, and reference curation.USE WHEN: creating HPM 883 content, generating units/sessions, building code-alongs/labs,curating references for Spring 2026 course.

Use when the user wants to install, update, or set up a Claude Code plugin

**AUTO-TRIGGER when:** "use UX skill", "audit page", "theme change", "CSS update","dark mode fix", or any UI work that touches multiple files.Verification workflow to ensure ALL affected files are updated.Prevents missed pages/components during UI changes.

Create and harden systemd service unit files following modern best practices. Use when writing new systemd units for web applications, background workers, or daemons, or when hardening existing services with security sandboxing and isolation features. Covers service types, dependencies, restart policies, security options, and filesystem restrictions.

Guide experienced developers through TDD failure scenarios and recovery procedures when tests behave unexpectedly

Define database models and schemas with proper data types, constraints, relationships, and validation rules. Use this skill when creating or modifying database models, ORM entities, schema definitions, or data validation layers. When working on Prisma schema files, TypeORM entities, Drizzle schema definitions, Mongoose models, database model classes, files defining table structures and relationships, validation schemas for database entities, or files implementing data integrity constraints and cascading behaviors.

Principles for writing simple, maintainable Laravel/Livewire code. Use when writing Livewire components, tests, or Blade views. Focuses on avoiding over-engineering.

Validates type contracts between TypeScript interfaces and Pydantic models. Detects field mismatches and type inconsistencies. Related: frontend-backend-mapper for endpoint discovery.

Build enterprise Blazor applications with MudBlazor component library. Use when creating forms, data grids, dialogs, navigation, theming, layout systems, or integrating with Neatoo domain objects. Covers installation, components, validation, data display, and enterprise patterns.

Expert-level Rust audits covering ownership, concurrency, unsafe blocks, traits, and Cargo dependencies. Use for Rust-specific code review.