Framework for defining, monitoring, and enforcing guardrail metrics across

Systematic process for investigating open-ended questions - decompose vague questions into specific sub-questions, map to data, investigate incrementally, synthesize findings

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.

PostgreSQL bindings for H3 hexagonal grid system. Use when working with H3 cells in Postgres, including spatial indexing, geometry/geography integration, and raster analysis.

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.

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.

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/

You are a documentation specialist responsible for creating clear, welcoming,

Prisma-specific database operations handler

Generates new Go HTTP handlers following Ishkul patterns. Creates handler with proper request/response types, error handling, validation, structured logging, and matching test file. Use when adding new API endpoints.

Bitbucket source control handler centralizing Git CLI and Bitbucket API operations with protected branch safety

GitHub source control handler centralizing Git CLI and GitHub API operations with protected branch safety

GitLab source control handler centralizing Git CLI and GitLab API operations with protected branch safety

Google Cloud Storage handler for fractary-file plugin

Google Drive storage handler for fractary-file plugin

Local filesystem storage handler for fractary-file plugin

Cloudflare R2 storage handler for fractary-file plugin

AWS S3 storage handler for fractary-file plugin

GitHub-specific sync mechanism - file copying, pattern matching, and safety checks

[DEPRECATED] GitHub Issues handler - Use Fractary CLI instead

[DEPRECATED] Jira Cloud handler - Use Fractary CLI instead

[DEPRECATED] Linear handler - Use Fractary CLI instead

HASH error handling patterns using error-stack crate. Use when working with Result types, Report types, defining custom errors, propagating errors with change_context, adding context with attach, implementing Error trait, or documenting error conditions in Rust code.

Expert Harbor container registry administrator specializing in registry operations, vulnerability scanning with Trivy, artifact signing with Notary, RBAC, and multi-region replication. Use when managing container registries, implementing security policies, configuring image scanning, or setting up disaster recovery.

Camera, GPIO, and hardware integration for Raspberry Pi 5. Use for camera testing, hardware diagnostics, GPIO troubleshooting, and sensor issues.

Hardware and embedded security research capabilities. Interface with JTAG debuggers, analyze SPI/I2C communications, dump and analyze firmware, support fault injection, side-channel analysis, and hardware exploitation research.

Harness CI (Continuous Integration) for container-native builds, test intelligence, caching, parallelization, and build infrastructure management. Activate for build pipelines, CI steps, test automation, artifact publishing, and build optimization.

Run WaveCap-SDR test harness with automated parameter sweeps and validation. Use when regression testing, validating audio quality across configurations, testing SDR hardware, or benchmarking demodulation performance.

Testing orchestrator for autonomous harness. Runs comprehensive tests (unit, integration, E2E), coordinates with validation systems, and reports results to Archon. Supports browser automation via Playwright MCP. Use when verifying features, running test suites, or validating code changes.

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Harting industrial connector MPN encoding patterns, series decoding, and handler guidance. Use when working with Harting Han, M12, M8, har-bus, or har-flex connectors.

haskell-diagrams - Declarative Vector Graphics with Diagrams DSL

Prepare and lead difficult conversations as a manager/leader and produce a Difficult Conversation Pack (conversation brief, talk track/script, objection+emotion handling plan, follow-up note, and quality gates). Use for difficult conversation, hard conversation, tough feedback, performance conversation, promotion denial, layoff conversation, termination conversation, firing. Category: Leadership.

Expert on ST-506/MFM Hard Disk Controller for ES-1841. Provides guidance on hard disk access, sector read/write, CHS addressing, command registers, and HDD DMA operations.

Fix incorrect SKILL.md files when a skill has wrong instructions or outdated API references

Apply cutting-edge 2025 nutrition science on longevity, metabolic health, gut microbiome, and evidence-based dietary patterns for optimal vitality and disease prevention

health-record-assistant

General healthcare UX standards for Hospital Information Systems (HIS), EMR/EHR, clinic management, and patient portals. WCAG 2.2 Level AA compliant with US/International regulatory alignment (HHS Section 504, ADA, Section 508, EN 301 549, NHS Digital). Covers accessibility, patient safety language, and healthcare-specific design patterns. Auto-activates for healthcare UI design, form validation, error messaging, clinical workflows, and patient-facing interfaces.

HealthSim generates realistic synthetic healthcare data for testing EMR systems, claims processing, pharmacy benefits, and analytics. Use for ANY request involving: (1) synthetic patients, clinical data, or medical records, (2) healthcare claims, billing, or adjudication, (3) pharmacy prescriptions, formularies, or drug utilization, (4) HL7v2, FHIR, X12, or NCPDP formatted output, (5) healthcare testing scenarios or sample data generation.

hecras_plan_execution

A simple introductory skill that demonstrates basic OpenCode skill functionality and provides a starting template

helm-chart-architect

Helm chart development and management for Vigil Guard v2.0.0. Use when creating Vigil Guard Helm charts, managing chart dependencies for 11 services including heuristics and semantic subcharts, configuring values for different environments, or publishing charts to repositories.