Claude Code Plugins: Curated Marketplace

Focused Plugins — Capabilities NOT covered by Claude Code's 100+ built-in agents

A curated plugin marketplace featuring 8 specialized plugins, 13 unique agents, and 35+ skills for Claude Code.

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Why This Marketplace?

Claude Code includes built-in agents for:

• Languages (Python, Rust, Go, TypeScript, etc.)
• Infrastructure (Kubernetes, Terraform, AWS/Azure/GCP)
• Databases (PostgreSQL, SQL optimization)
• Testing, debugging, code review

This marketplace fills the gaps:

Category	What We Add
Finance/Quant	Trading strategies, risk management, ML for finance
Structured Reasoning	FPF methodology with auditable decision trails
MCP Development	Advanced MCP server patterns
LLM Applications	RAG systems, prompt engineering, AI agents
Event Sourcing	CQRS, Temporal workflows
Monorepos	Nx, Turborepo, Bazel architecture

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Highlighted Capabilities

Structured Reasoning (FPF)

Hypothesis-driven decision making with auditable evidence trails:

/q0-init                           # Initialize knowledge base
/q1-hypothesize "API caching"      # Generate hypotheses
/q2-verify H1                      # Logical verification
/q5-decide H1                      # Create Design Rationale Record

ML Quantitative Finance

Comprehensive ML-based asset management:

• Deep learning (LSTM, transformers, autoencoders)
• Reinforcement learning for portfolio optimization
• Lopez de Prado framework (CPCV, meta-labeling, PBO)
• Factor investing with ML

MCP Development

Build high-quality MCP servers for LLM integrations:

• Agent-centric design patterns
• Tool design best practices

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Available Plugins (8)

Plugin	Agents	Skills	Focus
quantitative-trading	3	2	Quant finance, ML trading, risk
structured-reasoning	1	1	FPF methodology
mcp-development	1	1	MCP server patterns
llm-application-dev	2	9	RAG, prompts, AI agents
documentation	2	4	Docs architecture, diagrams
refactoring	1	4	Legacy modernization
developer-essentials	1	12	Monorepo architecture
backend-development	2	10	Event sourcing, Temporal

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Repository Structure

claude-code-plugins/
├── .claude-plugin/
│   └── marketplace.json          # 8 plugins
├── shared/
│   └── agents/                   # Agent definitions
├── plugins/
│   ├── quantitative-trading/     # Finance specialty
│   ├── structured-reasoning/     # FPF methodology
│   ├── mcp-development/          # MCP servers
│   ├── llm-application-dev/      # LLM applications
│   ├── documentation/            # Docs architecture
│   ├── refactoring/              # Modernization
│   ├── developer-essentials/     # Monorepos
│   └── backend-development/      # Event sourcing
├── AGENTS.md                     # Agent catalog
└── README.md

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Quick Start

Install All Plugins

git clone https://github.com/ccf/claude-code-ccf-marketplace.git
cd claude-code-ccf-marketplace
# Symlink to Claude Code configuration
ln -s $(pwd) ~/.claude/plugins/claude-code-ccf-marketplace

Install Specific Plugin

cp -r plugins/quantitative-trading ~/.claude/plugins/

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Model Tiers

Tier	Model	Use Case
Tier 1	opus	Architecture, security, critical decisions
Tier 2	inherit	Complex tasks - session default
Tier 3	sonnet	Support tasks (docs, testing)
Tier 4	haiku	Fast operations

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Contributing

1. Add agents to shared/agents/ (single source of truth)
2. Create symlinks in relevant plugins/*/agents/
3. Add skills to appropriate plugins/*/skills/
4. Update .claude-plugin/marketplace.json
5. Submit a pull request

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Credits

Source	What It Brings
wshobson/agents	Base structure, marketplace pattern
ComposioHQ/awesome-claude-skills	MCP builder, skill creator
m0n0x41d/quint-code	Structured reasoning (FPF)
obra/superpowers	Git worktrees, root-cause tracing

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License

MIT License - see individual plugins for specific licensing.