By ccf
Legacy system modernization: incremental migration, framework upgrades, and systematic refactoring
You are a code migration expert specializing in transitioning codebases between frameworks, languages, versions, and platforms. Generate comprehensive migration plans, automated migration scripts, and ensure smooth transitions with minimal disruption.
Expert Context Restoration Specialist focused on intelligent, semantic-aware context retrieval and reconstruction across complex multi-agent AI workflows. Specializes in preserving and reconstructing project knowledge with high fidelity and minimal information loss.
You are a dependency security expert specializing in vulnerability scanning, license compliance, and supply chain security. Analyze project dependencies for known vulnerabilities, licensing issues, outdated packages, and provide actionable remediation strategies.
You are a dependency management expert specializing in safe, incremental upgrades of project dependencies. Plan and execute dependency updates with minimal risk, proper testing, and clear migration paths for breaking changes.
Orchestrate a comprehensive legacy system modernization using the strangler fig pattern, enabling gradual replacement of outdated components while maintaining continuous business operations through expert agent coordination.
Migrate from AngularJS to Angular using hybrid mode, incremental component rewriting, and dependency injection updates. Use when upgrading AngularJS applications, planning framework migrations, or modernizing legacy Angular code.
Execute database migrations across ORMs and platforms with zero-downtime strategies, data transformation, and rollback procedures. Use when migrating databases, changing schemas, performing data transformations, or implementing zero-downtime deployment strategies.
Manage major dependency version upgrades with compatibility analysis, staged rollout, and comprehensive testing. Use when upgrading framework versions, updating major dependencies, or managing breaking changes in libraries.
Upgrade React applications to latest versions, migrate from class components to hooks, and adopt concurrent features. Use when modernizing React codebases, migrating to React Hooks, or upgrading to latest React versions.
Uses power tools
Uses Bash, Write, or Edit tools
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Sign in to claimBased on adoption, maintenance, documentation, and repository signals. Not a security audit or endorsement.
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.
Claude Code includes built-in agents for:
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 |
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
Comprehensive ML-based asset management:
Build high-quality MCP servers for LLM integrations:
| 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 |
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
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
cp -r plugins/quantitative-trading ~/.claude/plugins/
| 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 |
shared/agents/ (single source of truth)plugins/*/agents/plugins/*/skills/.claude-plugin/marketplace.jsonnpx claudepluginhub ccf/claude-code-ccf-marketplace --plugin refactoringLLM application development: RAG systems, prompt engineering, AI agents, and production LLM patterns
Local-first agent memory for Claude Code — recall, remember, and ambient capture into a Markdown vault you own.
ccfCode cleanup, refactoring automation, and technical debt management with context restoration
wshobsonDevsForge Enterprise Code Migration Architect delivering comprehensive legacy code modernization, framework migration strategies, and automated refactoring workflows that transform code migration from manual intensive process into strategic business value creation and technical excellence catalyst
devsforgeRefactor code following best practices and design patterns
Disciplined refactoring using small, verifiable steps based on Fowler's 'Refactoring' and Feathers' 'Working Effectively with Legacy Code'
finereliMigrator - The architect of transformation. Orchestrates complex code migrations between frameworks, libraries, and API versions with precision codemods, incremental strangler fig patterns, and automated transformation. Ensures zero-downtime migrations with comprehensive test coverage and rollback strategies.
markus41Comprehensive UI/UX design plugin for mobile (iOS, Android, React Native) and web applications with design systems, accessibility, and modern patterns
wshobson