A curated collection of specialized plugins for Claude Code, extending Claude's capabilities with domain expertise and task automation.
Add this marketplace to Claude Code with a single command:
/plugin marketplace add mrelph/claude-agents-skillsOnce added, install any plugin individually:
/plugin install tax-preparation@mrelph/claude-agents-skills
/plugin install portfolio-analyzer@mrelph/claude-agents-skills
/plugin install hockey-lineup-builder@mrelph/claude-agents-skills| Plugin | Description | Version | Install |
|---|---|---|---|
| tax-preparation | US tax preparation: deduction analysis, RSU calculations, form processing | v2.0.0 | /plugin install tax-preparation@mrelph/claude-agents-skills |
| portfolio-analyzer | Investment portfolio analysis, risk assessment, asset allocation | v3.0.0 | /plugin install portfolio-analyzer@mrelph/claude-agents-skills |
| retirement-planner | Retirement readiness, Social Security optimization, withdrawal strategies | v2.0.0 | /plugin install retirement-planner@mrelph/claude-agents-skills |
| research-consolidator | Multi-source research synthesis with confidence scoring and gap analysis | v2.0.0 | /plugin install research-consolidator@mrelph/claude-agents-skills |
| hockey-lineup-builder | Generic hockey lineup building, game strategy, special teams planning, and player management for any team | v2.0.0 | /plugin install hockey-lineup-builder@mrelph/claude-agents-skills |
| second-brain | Interview or ingest mode for scaffolding a personal knowledge base via the second-brain CLI |
v0.1.0 | /plugin install second-brain@mrelph/claude-agents-skills |
US tax preparation and planning for individuals and families. Reads tax documents, identifies deductions, calculates liability, and handles complex situations including RSU income, self-employment, and investment taxation.
/plugin install tax-preparation@mrelph/claude-agents-skillsInvestment portfolio analysis with performance metrics, asset allocation review, risk assessment, and strategic recommendations. Produces professional-grade reports in multiple formats.
/plugin install portfolio-analyzer@mrelph/claude-agents-skillsRetirement readiness assessment with Social Security optimization, withdrawal strategy planning, Roth conversion analysis, and Monte Carlo simulations for longevity risk.
/plugin install retirement-planner@mrelph/claude-agents-skillsSynthesizes research from multiple AI models and sources into comprehensive reports. Features confidence scoring, gap analysis, and structured output formats for actionable insights.
/plugin install research-consolidator@mrelph/claude-agents-skillsTeam-agnostic hockey coaching plugin: lineup building, formation generation, special teams planning, opponent strategy, and roster management. Ships with starter templates for roster.md and team-strategy.md, plus a worked example under examples/jr-kraken-18u-navy/.
/plugin install hockey-lineup-builder@mrelph/claude-agents-skillsConversational front-end for the second-brain CLI. The bundled second-brain-init skill conducts a brief interview — or ingests an existing folder of notes — to draft a .second-brain.json config and scaffold a personal knowledge base your AI assistant can maintain.
Requires the second-brain CLI (≥ v0.2.0) on PATH.
/plugin install second-brain@mrelph/claude-agents-skillsSeveral plugins are designed to work together, passing context and data between sessions:
- portfolio-analyzer feeds into retirement-planner — Portfolio holdings and performance inform retirement projections
- portfolio-analyzer feeds into tax-preparation — Tax-loss harvesting, cost basis, and capital gains coordination
- retirement-planner feeds into tax-preparation — Roth conversion strategies and withdrawal tax planning
claude-agents-skills/
├── README.md # This file
├── CHANGELOG.md # Version history
├── CONTRIBUTING.md # Contribution guidelines
├── MARKETPLACE.md # Marketplace integration guide
├── .claude-plugin/
│ └── marketplace.json # Machine-readable plugin catalog
├── plugins/ # Plugin marketplace plugins (v2.0.0+)
│ ├── tax-preparation/
│ │ ├── .claude-plugin/
│ │ │ └── plugin.json # Plugin manifest
│ │ ├── skills/
│ │ │ └── tax-preparation/ # Skill files with ${CLAUDE_PLUGIN_ROOT} paths
│ │ ├── references/ # Tax reference documents
│ │ ├── scripts/ # Python utility scripts
│ │ ├── examples/ # Sample data files
│ │ └── README.md
│ ├── portfolio-analyzer/
│ ├── retirement-planner/
│ ├── research-consolidator/
│ ├── hockey-lineup-builder/
│ └── second-brain/
├── Skills/ # Legacy personal skills (not published to marketplace)
├── Agents/ # Legacy personal agents (not published to marketplace)
├── staging/ # Contribution staging area and templates
└── releases/ # Distribution packages (pre-v2.0.0)
The Skills/ and Agents/ directories contain personal items that remain in the repository for reference but are not part of the published plugin marketplace:
Agents/— Individual agent markdown files retained for reference (e.g.claude-desktop-skills-builder,marketplace-manager,roadmap-feature-planner,ux-ui-design-expert,video-integration-specialist)
These items are not installable via /plugin install. If you need them, clone the repository directly and copy the relevant files.
Contributions of new plugins are welcome. See CONTRIBUTING.md for the full plugin format requirements and submission process.
The short version:
- Create a directory under
plugins/your-plugin-name/ - Add a
plugin.jsonmanifest at.claude-plugin/plugin.json - Add skills under
skills/and agents underagents/using${CLAUDE_PLUGIN_ROOT}/for all file paths - Add your plugin entry to
.claude-plugin/marketplace.json - Open a pull request
For programmatic access, version checking, and advanced integration scenarios, see MARKETPLACE.md.
The .claude-plugin/marketplace.json file in this repository provides a machine-readable catalog of all published plugins with metadata, keywords, and version information.
MIT License — Feel free to use and adapt these plugins for your own projects.