All Skills

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

Manage git worktrees for parallel development with conflict prevention and wave-aware execution strategy. Use when creating feature branches, starting parallel work sessions, merging worktree PRs, or coordinating multiple Claude sessions.

Expertise in writing clear, testable specifications. Activates when user discusses requirements, features, user stories, or acceptance criteria. Trigger keywords: specification, requirements, user story, acceptance criteria, feature spec, functional requirement, non-functional requirement, spec.md

Expert in building 3D experiences for the web - Three.js, React Three Fiber, Spline, WebGL, and interactive 3D scenes. Covers product configurators, 3D portfolios, immersive websites, and bringing ...

Format and run tests for the current project

Scaffolds email campaigns with content blocks and copy. Use when the user asks about email templates, newsletter content, subject lines, email marketing, or campaign copy.

Create Mermaid diagrams for technical documentation, system design, and data modeling. Use when creating flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, Gantt charts, git graphs, or any other Mermaid-supported diagram type. Supports both creating new diagrams from descriptions and converting diagrams to SVG format for embedding in presentations or documents.

Use when developing CKEditor 5 custom plugins for TYPO3 v12+, configuring RTE presets, or migrating from CKEditor 4.

Master multi-agent orchestration using Claude Code's agent teams and task system. Use when coordinating multiple agents, running parallel code reviews, creating pipeline workflows with dependencies, building self-organizing task queues, or any task benefiting from divide-and-conquer patterns. Routes to specialized sub-skills for team management, tasks, messaging, patterns, backends, and error handling.

This skill orchestrates implementation by delegating code, testing, and review to sub-agents while recording what happened. Use when ready to build from a spec, design, plan, or to resume from notes. Triggers include "implement this", "build this", "implement the spec", "implement the design", "implement the plan", "continue implementation", "resume where we left off".

Produce a comprehensive audit trail of actions, tools used, changes made, and decision rationale. Use when recording compliance evidence, tracking changes, or documenting decision lineage.

Extraction rules for Danish salary slips (lønsedler). Reference this when processing uploaded payslips for pension tracking and financial advice.

Create epic issues for major development initiatives with multiple phases, related issues, and dedicated development branch. Use when users want to plan large features or major initiatives. Trigger phrases: "create epic", "plan major feature", "large initiative", "/epic", "breakdown feature"

Use when sending emails - ActionMailer with async delivery via SolidQueue, templates, previews, and testing

This skill should be used when the user asks about "how hooks work",

Anchor claims to evidence from authoritative sources. Use when validating assertions, establishing provenance, verifying facts, or ensuring claims are supported by evidence.

Hotwire (Turbo Drive, Turbo Frames, Turbo Streams, Stimulus)

Produce clear reasoning with assumptions, causal chains, and evidence. Use when clarifying decisions, teaching concepts, justifying recommendations, or documenting rationale.

Container-based development for isolated, reproducible environments. Use when running npm commands, installing packages, executing code, or managing project dependencies. Trigger phrases include "npm install", "run the build", "start the server", "install package", or any code execution request.

This skill should be used when the user wants to find, add, or update HR contacts (recruiters, talent acquisition, hiring managers) for a company in the Excel job tracker. Triggers on phrases like "find HR for [company]", "add recruiter for [company]", "search LinkedIn for [company] recruiter", "update HR contacts", "who recruits at [company]", "add this HR contact".

This skill should be used when the user wants to manually trigger, test, or run the job search scripts — either the daily job search email or the remote job search email. Triggers on phrases like "run daily jobs", "test the remote search", "trigger the job email", "run it manually", "send the job digest now", "test remote job search".

Use when debugging Rails issues - provides Rails-specific debugging tools (logs, console, byebug, SQL logging) integrated with systematic debugging process

RESTful API controller patterns for Ruby on Rails. Use when: (1) Building JSON APIs, (2) API versioning, (3) Error handling and status codes, (4) Authentication with tokens/JWT, (5) Rate limiting, (6) CORS configuration, (7) Pagination and filtering, (8) API documentation, (9) Testing API endpoints

Interface design with craft and consistency. For dashboards, apps, tools — not marketing sites. Uses Subcog for persistent design memory.