Compare testing strategies and choose the best coverage plan; use when deciding how to test a feature or fix.

Generate malformed inputs and crash detection.

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Building effective fuzzing harnesses to maximize code coverage and vulnerability discovery through automated input generation

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Creating fuzz driver for Python libraries using LibFuzzer. This skill is useful when agent needs to work with creating fuzz drivers / fuzz targets for Python project and libraries.

Fuzzing strategist persona specializing in dynamic testing guidance, fuzzing strategy development, and crash analysis

Essential fuzzing payloads: SQL injection, command injection, special characters. Curated essentials for vulnerability testing.

**Domain:** Foundry VTT Module/System Development

how to approach tests, types and coverage

Maintain and upgrade the bgruening/docker-galaxy project: bump Galaxy/Ubuntu versions, update Ansible roles and scheduler support, adjust startup/CI/tests, and manage CVMFS.

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

Expert in interactive entertainment, creating immersive experiences with Unity, Unreal Engine, and Godot.

Generate GameSpec JSON and Lua scripts for the AI Game Platform. Use when creating games, adding features like player movement, enemies, collectibles, or fixing Lua script issues. Supports FPS, 2D side-scrollers, and 3D platformers.

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Use when planning GameDay exercises, designing failure scenarios, or conducting chaos drills. Covers GameDay preparation, execution, and follow-up.

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Core gameplay loop focusing on crime investigation, evidence photography, and time loop mechanics. Use when working on investigation features, photo system, or game progression.

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Patterns for game-like interfaces - health bars, XP bars, mana bars. Apply when building RPG/retro gaming UI components with state-driven visuals.

Onboard company employees (Claude Code CLI users) to use gapless-crypto-clickhouse package with ClickHouse Cloud credentials. Use when company employee needs to set up ClickHouse Cloud access, mentions first-time setup, credential configuration, connection testing, or troubleshooting ClickHouse Cloud connections.

Maintain skills wiki health - check links, naming, cross-references, and coverage

Gate 1 validation: API specification quality checks

Gate 2 validation: TypeScript type generation from OpenAPI spec

Gate 4a validation: Unit test creation and nock-only enforcement

Gate 4b validation: Integration test creation and no-hardcoded-values enforcement

Gate 5 validation: Test execution and 100% pass rate requirement

gate-evaluator

Create gateway classes that integrate external services following Protocol interfaces, proper abstraction, and clean architecture separation of concerns.

The drum sounds. Bloodhound, Elephant, Beaver, Raccoon, Deer, Fox, and Owl gather for complete feature development. Use when building a full feature from exploration to documentation.

Builds static and hybrid sites with Gatsby, React, and GraphQL data layer. Use when creating content-heavy websites, blogs, e-commerce storefronts, or when user mentions Gatsby, static site generation with React, or GraphQL-powered sites.

Expert skill for Gazebo Classic and Ignition/Gazebo Sim world creation and plugin development. Create SDF worlds with terrain, lighting, physics configuration, sensor models, and custom plugins.

Design simulation worlds using SDF with ground planes, models, physics configuration, and lighting

Add gcov code coverage instrumentation to C/C++ projects

Read and query GCP logs for Hyperlane agents using gcloud CLI. Use when investigating relayer, validator, or scraper logs, debugging message processing, or analyzing operational issues. Provides efficient filtering and context management strategies.

Extract and calculate Glasgow Coma Scale (GCS) for ICU patients in MIMIC-IV. Use for neurological assessment, consciousness monitoring, or trauma severity scoring.

Core gameplay loop design documentation. Use when defining the core gameplay loop, mapping the player experience over time, designing session structures, or identifying pacing issues.

Playwright-based game playtesting and design validation. Use when validating implementation against GDD, testing gameplay mechanics, capturing screenshot evidence, performing game state detection via Vision MCP, or conducting visual GDD compliance validation.

Use when debugging the Breenix kernel at assembly or C-level using GDB - investigating CPU exceptions, page faults, triple faults, examining register state during interrupt handling, stepping through boot sequence, analyzing syscall entry/exit paths, debugging context switches, or inspecting memory layout and page tables.

Conversational GDB debugging for Breenix kernel. Use for interactive debugging sessions - set breakpoints, inspect registers, examine memory, step through code, investigate crashes.

Audits web applications and architectures for compliance with GDPR, CCPA, and other privacy regulations, focusing on consent, data minimization, and user rights.

Run GDUnit4 tests for Godot projects. Use after implementing features, fixing bugs, or modifying GDScript files to verify correctness.

Specialized skill for geometric dimensioning and tolerancing specification per ASME Y14.5 and ISO 1101

gdunit4-test-runner

Write gdUnit4 test code with type-specific assertions, signal testing, and scene runner support. Use when creating or updating tests for GDScript files.

Gel (formerly EdgeDB) graph database schema design and querying. Use when designing Gel schemas, writing SDL, or querying with EdgeQL.

Comprehensive guide for building production-quality Ruby gems. Use when creating new gems, structuring gem architecture, implementing configuration patterns, setting up testing, or preparing for publishing. Covers all gem types - libraries, CLI tools, Rails engines, and API clients.

Integrate Google Gemini API for AI-powered QA checklist generation and structured output. Use when working with Gemini API calls, generating QA checklists from design specs, parsing AI responses, or implementing structured output with JSON schema.

Interactive chat workflows with Gemini CLI including context management, multimodal conversations, and session persistence. Use for extended AI conversations, brainstorming, or collaborative problem-solving.

Central authority for Gemini CLI Checkpointing. Covers git-based file snapshots, automatic state saving, /restore command, and rollback. Use when enabling checkpointing, restoring previous states, undoing changes, or planning experimental workflows with Gemini. Delegates 100% to gemini-cli-docs for official documentation.