mermaid-skill

cpike-agent-skills

A multi-plugin Claude Code repository bundling domain-specific skill plugins for development. Each plugin provides a comprehensive knowledge base that Claude Code can invoke on demand — no executable code ships with this repo.

Plugins

blazor-skill (v2.3.0)

Blazor UI development knowledge base covering render modes, component lifecycle, forms, state management, JS interop, routing, styling, DI, authentication, security, and design aesthetics. Targets .NET 8+ Blazor with an emphasis on distinctive, non-generic UI output.

16 docs — render modes, component lifecycle, forms & validation, state management, components, JS interop, routing & navigation, styling, DI, event handling & performance, auth, design aesthetics, security, external auth providers, two-factor authentication, logging & diagnostics.

observability-skill (v1.0.0)

.NET observability knowledge base covering structured logging, Serilog, Seq, Elastic APM, OpenTelemetry, APM-log correlation, naming conventions, and instrumentation patterns. Targets .NET 8+ (LTS) with a DI-first approach (ITracer, ILogger<T>).

12 docs — structured logging, Serilog configuration, Serilog sinks, Seq, Elastic logging, Elastic APM, OpenTelemetry, OTel-Elastic integration, APM correlation, naming conventions, instrumentation patterns, observability philosophy.

elasticsearch-skill (v1.0.0)

Elasticsearch and Kibana knowledge base covering ES 8.x REST API, Query DSL, aggregations, .NET client integration, Kibana APIs, KQL, ECS logging, data streams, ILM, ingest pipelines, and alerting.

13 docs — Query DSL, search & pagination, index management, document CRUD, aggregations, .NET client, .NET patterns, Kibana API, Kibana visualizations, KQL syntax, ECS logging, data streams & ILM, ingest & alerting.

agent-sdk-skill (v1.0.0)

Knowledge base for building Claude-powered AI agents in .NET using the Anthropic C# SDK, covering tool use, agentic loops, streaming, extended thinking, context management, and architecture patterns.

13 docs — SDK setup, chat completions, tool use, agentic loops, streaming, extended thinking, context management, system prompts, error handling, multi-cloud deployment, MCP integration, Semantic Kernel, architecture patterns.

huemint-skill (v1.7.0)

Huemint API knowledge base for generating constraint-based color palettes and building HTML/CSS prototypes that showcase them.

8 docs — API basics, adjacency matrices, color locking, model selection, palette refinement, natural language translation, HTML/CSS showcases, advanced patterns.

mermaid-skill (v1.0.0)

Mermaid diagram generation knowledge base covering syntax, flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, C4, architecture diagrams, git graphs, styling, and .NET architecture patterns.

11 docs — flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, C4 diagrams, architecture diagrams, git graphs, styling & theming, .NET patterns, diagram selection guide.

avalonia-skill (v1.0.0)

Avalonia UI knowledge base for building cross-platform desktop applications with MVVM, styling, theming, data binding, animations, platform integration, and deployment.

16 docs — controls, layouts, styling & theming, MVVM, data binding, animations, platform integration, desktop UI design, deployment, dialogs & windowing, data templates, commands & interactions, custom controls, performance, accessibility, testing.

frontend-design-skill (v1.0.0)

Frontend design knowledge base for engineering distinctive, non-generic interfaces with architectural CSS, editorial typography, and high-fidelity interactions.

8 docs — design language selection, architectural typography, advanced CSS layout, surface & depth, motion & micro-interactions, CSS custom property systems, anti-pattern avoidance, implementation workflow.

roundtable (v1.0.0)

Structured roundtable brainstorming facilitation with a BA chair, domain experts, and user persona panels for feature ideation, UX design, and enhancement planning.

4 docs — facilitation framework, expert panel design, user persona panels, session management.

Repository Structure

cpike-agent-skills/
├── .claude-plugin/
│   └── marketplace.json          # Marketplace manifest listing all plugins
├── plugins/
│   ├── agent-sdk-skill/
│   ├── avalonia-skill/
│   ├── blazor-skill/
│   ├── elasticsearch-skill/
│   ├── frontend-design-skill/
│   ├── huemint-skill/
│   ├── mermaid-skill/
│   ├── observability-skill/
│   └── roundtable/
└── CLAUDE.md

Each plugin follows the same structure:

plugin-name/
├── .claude-plugin/plugin.json    # Plugin manifest with version
├── docs/01-NN.md                 # Numbered knowledge base docs
└── skills/<name>/SKILL.md        # Skill router with trigger phrases

Installation