Develop, test, build, and deploy Godot 4.x games. Includes GdUnit4 for GDScript unit tests and PlayGodot for game automation and E2E testing. Supports web/desktop exports, CI/CD pipelines, and deployment to Vercel/GitHub Pages/itch.io.

Optimizes Godot 4.x rendering pipeline including renderer selection, 2D batching, occlusion culling, LOD configuration, draw call reduction, and material/shader optimization. Detects rendering bottlenecks and applies targeted optimizations for 60+ FPS performance.

Use when setting up multi-platform exports for Godot projects, configuring export presets, icons, feature tags, build scripts, or CI/CD pipelines

Visual and spatial bugs in Godot games cannot be diagnosed from code alone. You cannot see the game running - only the user can observe what's actually happening.

Gang of Four design patterns reference. Use this skill when implementing, discussing, or choosing object-oriented design patterns. Auto-activates for architecture decisions, refactoring, and decoupling concerns. Comprehensive coverage of all 23 GoF patterns with pseudocode examples.

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Expert Go developer specializing in Go 1.21+ features, concurrent programming with goroutines and channels, and comprehensive stdlib utilization. This agent excels at building high-performance, concurrent systems with idiomatic Go patterns and robust error handling.

Streamlined guide for Google Ads API queries via MCP. Use when querying campaign performance, keyword metrics, conversion data, auction insights, or ad group analysis. Reduces context overhead by providing curated field references and common query patterns. Triggers on Google Ads, SEM performance, campaign analysis, keyword research, or auction insights requests.

Create comprehensive Google Ads strategies with campaign structure, keyword research, ad copy, audience targeting, and budget allocation for B2B and B2C advertisers.

google-chat-api

Manages Google Docs, Sheets, and Slides through the Docs, Sheets, and Slides APIs. Create, read, and edit documents, spreadsheets, and presentations programmatically. Format content, manage collaboration, extract data, and automate document workflows. Use when working with Google Workspace documents, editing content, extracting data, or automating document creation.

> **Skill Purpose**: Comprehensive guide for using Google's URL Inspection Tool in Search Console to verify indexing status, diagnose crawl issues, and request re-indexing for specific URLs.

Create, validate, and work with Goose recipes - reusable AI agent configurations that package specific setups for tasks. Use when creating recipe.yaml/recipe.json files, configuring Goose extensions, parameters, retry logic, structured outputs, or debugging recipe validation errors.

Use when creating or updating evidence-based gourmet research outputs for cities (restaurants/cafes/desserts) that require multi-source evidence, standardized scoring, and structured city folders.

Comprehensive guide to GPG commit signing. Set up, configure, and troubleshoot GPG commit signing. Fix GPG signing errors, configure passphrase caching, verify commit signatures. Use when working with Git commit signing, GPG keys, commit verification, signature verification, GPG configuration, or when encountering GPG signing errors. Covers Windows (Gpg4win), macOS (GPG Suite), Linux (gnupg), and WSL installation and setup.

Use this skill ONLY when modifying GPT calls, agent prompts, or structured output. Do not use for other AI/ML tasks.

Specialized skill for GPU memory hierarchy analysis and optimization. Analyze memory access patterns, detect bank conflicts, optimize cache utilization, profile global memory bandwidth, and generate optimized memory access code patterns.

Query Prometheus and Loki billing metrics from Grafana. Use when discussing observability costs, active series, ingestion rates, storage usage, or cardinality analysis.

Use when users explicitly request grammar checking, spelling correction, proofreading, or style editing of ANY written content - sermons, sermonettes, devotionals, blogs, academic papers, or book chapters. Specializes in US English and theological writing styles.

Expert in graph database design and development with deep knowledge of graph modeling, traversals, query optimization, and relationship patterns. Specializes in SurrealDB but applies generic graph database concepts. Use when designing graph schemas, optimizing graph queries, implementing complex relationships, or building graph-based applications.

Create Excalidraw diagrams. USE WHEN user specifically asks for Excalidraw. WORKFLOWS - mind-maps, swimlane, process-flow.

Create ASCII diagrams for markdown using graph-easy. TRIGGERS - ASCII diagram, graph-easy, architecture diagram, markdown diagram.

Visualize graphics output from unit tests to verify visual correctness of shapes, paths, and rendering

Expert assistance with GraphPad Prism scientific graphing and statistics software, specializing in Prism scripting for automation, batch processing, and data analysis workflows.

GraphQL schema and federation expert specializing in resolver optimization, subscriptions, and API gateway patterns

Use when setting up GraphQL Inspector in CI/CD pipelines, GitHub Actions, or GitLab CI for automated schema validation.

Use when implementing GraphQL resolvers with resolver functions, context management, DataLoader batching, error handling, authentication, and testing strategies.

Implement minimal code to make failing tests pass (GREEN phase of TDD). Write just enough code to pass tests, no more. Use after red-phase when tests are failing.

Interpretive guidance for generating OpenSCAD code for Gridfinity desktop/drawer organizers. Provides pattern selection frameworks, dimensional constraints, and stacking system integration specific to the Gridfinity ecosystem. Use when generating OpenSCAD files for Gridfinity bins, baseplates, or accessories.

Write documentation, help articles, specs, and user-facing text in the authentic Grove voice. Use when writing any text that users will read, updating help center content, or drafting specs. Ensures warmth, clarity, and avoidance of AI patterns.

Run systematic growth experiments to increase acquisition, activation, retention, and revenue. Use when optimizing conversion funnels, running A/B tests, improving metrics, or when users mention growth, experimentation, optimization, or scaling user acquisition.

Эксперт по growth-маркетингу. Используй для growth hacking, A/B тестов, воронок, viral loops и экспериментов роста.

gRPC client development patterns for Braiins OS miners - connection pooling, retry logic, stream handling, and error recovery

Expert guidance for GRPO/RL fine-tuning with TRL for reasoning and task-specific model training

GSAP integration with React including useGSAP hook, ref handling, cleanup patterns, and context management. Use when implementing GSAP animations in React components, handling component lifecycle, or building reusable animation hooks.

Router for GSAP animation domain. Use when implementing animations with GreenSock Animation Platform including tweens, timelines, scroll-based animations, or React integration. Routes to 4 specialized skills for fundamentals, sequencing, ScrollTrigger, and React patterns.

Google Search Console indexing assistant. Use when the user wants to track page indexing status, compare sitemap against GSC indexed pages, manage submission tracking, or move false positives (pages indexed per URL Inspection but not yet in GSC export) to the indexed list. Maintains two tracking files (indexed.md, to-index.md) with prioritization support.

Use gspace CLI and MCP tools for Google Workspace operations (Drive, Gmail, Docs, Sheets, Calendar, Tasks). Use when working with Google Workspace URLs (docs.google.com, drive.google.com, sheets.google.com, slides.google.com, mail.google.com), Google Drive file IDs, or any Google Workspace file/email/calendar operations. Supports both CLI commands (via Bash) and 40+ MCP tools.

Quick onboarding for Claude Code Virtuoso - shows key features based on experience level.

Implements onboarding and help systems including product tours, interactive tutorials, tooltips, checklists, help panels, and progressive disclosure patterns. Use when building first-time experiences, feature discovery, guided walkthroughs, contextual help, setup flows, or user activation features. Provides timing strategies, accessibility patterns (keyboard, screen readers, reduced motion), and metrics for measuring onboarding success.

End-to-end GWAS workflow from VCF to association results. Covers PLINK QC, population structure correction, and association testing for case-control or quantitative traits. Use when running genome-wide association studies.

Integrate with Home Assistant REST and WebSocket APIs. Use when making API calls, managing entity states, calling services, subscribing to events, or setting up authentication. Activates on keywords REST API, WebSocket, API endpoint, service call, access token, Bearer token, subscribe_events.

Enforces Hackathon II rules, phases, and evaluation constraints.

Comprehensive toolkit for fetching, searching, analyzing, and monitoring Hacker News content. Use when Claude needs to interact with Hacker News for (1) Fetching top/new/best/ask/show/job stories, (2) Searching for specific topics or keywords, (3) Monitoring specific users or tracking their activity, (4) Analyzing trending topics and patterns, (5) Getting story details, comments, or user profiles, or (6) Any other task involving Hacker News data retrieval or analysis.

Provide foundational knowledge of hacking concepts, network protocols, attack methodologies, and security tools. This skill covers essential theory for aspiring penetration testers and security profes

Runs performance benchmarks for SDL3 HammerEngine and detects regressions by comparing metrics against baseline. Use when testing performance-sensitive changes to AI, collision, pathfinding, particle systems, or before merging features to ensure no performance degradation.

Runs complete build validation pipeline for SDL3 HammerEngine including Debug build, smoke test execution, core test suite, and summary report generation. Use when the user wants to quickly validate their changes, check if the codebase is in a good state, or run the standard daily validation workflow.

Generates complete test suite infrastructure (test scripts, functional tests, benchmark tests, output directories, CMake integration) for a new SDL3 HammerEngine system or manager following project conventions. Use when adding a new manager or system that needs testing infrastructure.

Hanami framework workflow guidelines. Activate when working with Hanami projects, Hanami CLI, or Hanami-specific patterns.

Sync central handbook from ~/.claude/AmplifyHandbook/ to current project's resources/handbook/