Vitest
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Bun
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Provisioning
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Pytest
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Ansible
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Unraid
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Output Style Engineering
Design Claude Code output styles: persona, tone, and behavioral rules that replace the default system prompt. Invoke whenever task involves any interaction with output styles — creating, editing, evaluating, or changing how Claude communicates.
Nodejs
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React
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Commit
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Tailwindcss
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Typescript
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Cli
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Observability
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Dataviz
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Python
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Golang
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Containers
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Rust
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Devops
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Pr Contribution
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Alignment
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Prometheus
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Php
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Rust Testing
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Logsql
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Proxmox
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Metricsql
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Statsd
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Templ
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Zog
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Issue Writing
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Commit Message
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Skill Engineering
Design and iterate Claude Code skills: SKILL.md structure, description formulas, content architecture, and quality evaluation. Invoke whenever task involves any interaction with Claude Code skills — creating, reviewing, evaluating, debugging, or improving skills.
Css
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Shell Scripting
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Accessibility
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Vue
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Alerting
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Svelte
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Prompt Engineering
Prompt design techniques for LLMs: structure, examples, reasoning patterns, and optimization. Invoke whenever task involves any interaction with AI instructions — crafting, debugging, improving, or evaluating prompts for skills, agents, output styles, or system configurations.
Subagent Engineering
Claude Code subagent lifecycle: creation, configuration, evaluation, and troubleshooting. Invoke whenever task involves any interaction with Claude Code subagents — designing, debugging, iterating, or deciding when to delegate work to isolated agent contexts.
Phpunit
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Promql
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Prompt Terser
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Networking
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Dashboards
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Javascript
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Claude Code Sdk
Claude Code extensibility and configuration reference: plugins, plugin dependencies, hooks, skills, rules, subagents, agent teams, channels, MCP servers, output styles, memory, settings, server-managed settings, sandboxing, auto mode, routines, scheduled tasks, cloud reviews (ultraplan/ultrareview), remote control, web sessions, computer use, model configuration, and Agent SDK (incl. TypeScript V…
Otel Tracing
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