coach-gravity

API contract validator that ensures API responses match documented contracts and catches breaking changes. Activate when validating API contracts, checking schema validation, detecting contract drift, comparing OpenAPI specs with implementation, finding undocumented endpoints, or auditing response shapes.

API contract validation and Zod-first design patterns. Use when designing, implementing, or validating API routes and schemas.

API design, style selection, and contract validation. REST vs GraphQL vs tRPC decision-making, Zod-first validation, response formats, versioning, pagination, API contracts. Use when designing APIs, choosing REST vs GraphQL, implementing API validation, creating Zod schemas, or defining API contracts.

API design principles and decision-making. REST vs GraphQL vs tRPC selection, response formats, versioning, pagination.

Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.

Project scaffolding templates for new applications. Use when creating new projects from scratch. Contains 12 templates for various tech stacks.

Enterprise architecture review with comprehensive codebase analysis and prioritized remediation plan. Activate when reviewing architecture, performing codebase audit, assessing architecture quality, evaluating system design, or scoring production readiness. Covers folder structure, separation of concerns, DynamoDB patterns, code quality, security, performance, testing, and documentation.

Architectural decision-making framework. Requirements analysis, trade-off evaluation, ADR documentation. Use when making architecture decisions or analyzing system design.

AWS deployment patterns and best practices for Amplify, App Runner, DynamoDB, S3, and Lambda. Use when deploying, configuring infrastructure, or designing cloud architecture.

Bash/Linux terminal patterns. Critical commands, piping, error handling, scripting. Use when working on macOS or Linux systems.

AI operational modes (brainstorm, implement, debug, review, teach, ship, orchestrate). Use to adapt behavior based on task type.

Socratic questioning protocol + user communication. MANDATORY for complex requests, new features, or unclear requirements. Includes progress reporting and error handling.

Bundle size optimizer that implements code splitting, lazy loading, and reduces frontend chunk sizes. Activate when optimizing bundle size, implementing code splitting, configuring tree shaking, analyzing chunk composition, reducing frontend load times, or targeting chunk size limits.

Pragmatic coding standards - concise, direct, no over-engineering, no unnecessary comments

Code quality reviewer that checks lint results, console statements, TODO/FIXME comments, TypeScript any types, file lengths, naming conventions, and overall code craftsmanship. Activate when performing code review, checking code quality, running lint review, auditing code style, or evaluating TypeScript strictness.

Code review guidelines covering code quality, security, and best practices.

Database design principles, decision-making, and platform-specific patterns. Schema design, indexing strategy, ORM selection, serverless databases, DynamoDB single-table design, Drizzle ORM patterns.

Database design patterns for DynamoDB single-table design and Drizzle ORM. Use when designing schemas, writing queries, or setting up database infrastructure.

Dependency health auditor that checks for outdated, vulnerable, unused packages and license issues. Activate when performing dependency audit, checking package health, finding outdated dependencies, running npm audit, reviewing license compliance, or removing unused packages.

Production deployment principles and decision-making. Safe deployment workflows, rollback strategies, and verification. Teaches thinking, not scripts.

Documentation templates and structure guidelines. README, API docs, code comments, and AI-friendly documentation.

Enterprise error handling patterns using structured AppError class hierarchy. Use when implementing API routes, services, or any error-prone code paths.

UX psychology, color theory, audience analysis, and design PRINCIPLES. Use when making design decisions, choosing color schemes, typography, layout strategies, or applying design thinking. For design IMPLEMENTATION (dark-first aesthetic, oklch colors, glass morphism), see ui-design-system.

2D game development principles. Sprites, tilemaps, physics, camera.

3D game development principles. Rendering, shaders, physics, cameras.

Game art principles. Visual style selection, asset pipeline, animation workflow.

Game audio principles. Sound design, music integration, adaptive audio systems.

Game design principles. GDD structure, balancing, player psychology, progression.

Mobile game development principles. Touch input, battery, performance, app stores.

Multiplayer game development principles. Architecture, networking, synchronization.

PC and console game development principles. Engine selection, platform features, optimization strategies.

Game development orchestrator. Routes to platform-specific skills based on project needs.

VR/AR development principles. Comfort, interaction, performance requirements.

Web browser game development principles. Framework selection, WebGPU, optimization, PWA.

Generative Engine Optimization for AI search engines (ChatGPT, Claude, Perplexity).

Formats git commit messages according to Conventional Commits specification. Use when committing changes, preparing PRs, or writing changelog entries.

Internationalization completeness checker that ensures all user-facing text is translated across all supported locales. Activate when auditing i18n coverage, checking internationalization completeness, finding missing translations, detecting hardcoded strings, or verifying translation key consistency across locales.

Internationalization and localization patterns. Detecting hardcoded strings, managing translations, locale files, RTL support.

Automatic quality control, linting, and static analysis procedures. Use after every code modification to ensure syntax correctness and project standards. Triggers onKeywords: lint, format, check, validate, types, static analysis.

MCP (Model Context Protocol) server building principles. Tool design, resource patterns, best practices.