Agent Arsenal

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A Claude Code plugin marketplace containing custom skills and commands for AI-assisted development.

Installation

Add this marketplace to your Claude Code settings:

claude mcp add-marketplace agent-arsenal https://github.com/allen-hsu/agent-arsenal

Or manually add to .claude/settings.json:

{
  "extraKnownMarketplaces": [
    {
      "name": "agent-arsenal",
      "source": "git:allen-hsu/agent-arsenal"
    }
  ]
}

Then install individual plugins:

claude plugins install agent-arsenal:product-planning
claude plugins install agent-arsenal:engineering-core
claude plugins install agent-arsenal:shipping
claude plugins install agent-arsenal:react-native-mobile
claude plugins install agent-arsenal:research

Available Plugins

product-planning

Product strategy and design thinking — brainstorm before you build.

Skills:

• brainstorming-ideas - YC-style office hours with forcing questions, premise challenges, and design doc output
• reviewing-product-strategy - CEO/founder perspective plan review with 4 scope modes and 10-section mega review
• reviewing-product-design - Designer's eye plan review with 7-pass audit and 0-10 scoring

engineering-core

Core engineering practices — specs, review, and debugging.

Skills:

• writing-tech-specs - Create technical specification documents through interactive Q&A
• reviewing-architecture - Architecture review with data flow diagrams, failure modes, and test plans
• reviewing-code - Pre-landing PR review with two-pass methodology and fix-first approach
• investigating-bugs - Systematic root-cause debugging with Iron Law and 3-strike rule

shipping

Testing, shipping, and retrospectives — from QA to production.

Skills:

• testing-qa - QA testing with Playwright, health scoring, atomic fix commits, and regression tests
• shipping-code - Automated ship workflow: merge base, run tests, bisectable commits, create PR
• running-retro - Weekly engineering retrospective with per-person analysis and trend tracking

Commands:

• /commit - Create a git commit with conventional commits format

react-native-mobile

Complete React Native + Expo mobile development toolkit.

Skills:

• creating-expo-apps - Scaffold new Expo apps with best practices
• developing-react-native - App architecture, state management, navigation, and coding standards
• designing-mobile-ui - UI patterns, design systems, animations, and theming
• deploying-mobile-apps - EAS Build, Submit, Update, and CI/CD workflows
• integrating-google-ads - Google AdMob integration with consent management

Commands:

• /eas-build - Build your app with EAS
• /eas-deploy - Deploy your app to stores
• /eas-workflow - Manage EAS Workflows

research

Research and content discovery.

Skills:

• daily-tech-digest - Aggregate trending content from ProductHunt, HackerNews, and Reddit
• scanning-reddit-niches - Find product opportunities by scanning subreddits for pain signals and tool complaints

Requires (for scanning-reddit-niches): reddit-scanner CLI (go install github.com/allen-hsu/reddit-scanner@latest)

Creating New Plugins

Directory Structure

plugins/
└── your-plugin/
    ├── skills/
    │   └── your-skill/
    │       ├── SKILL.md
    │       └── references/
    │           └── guide.md
    └── commands/
        └── your-command.md

Skill Format

Create SKILL.md with YAML frontmatter:

---
name: skill-name
description: Description including trigger conditions. Use when (1)..., (2)...
---

# Skill Content

Your skill instructions here...

Command Format

Create a .md file with YAML frontmatter:

---
description: What the command does
allowed-tools: Bash(git status:*), Bash(git diff:*)
---

# Command Instructions

Your command instructions here...

Register in marketplace.json

Add your plugin to .claude-plugin/marketplace.json:

{
  "name": "your-plugin",
  "description": "What your plugin does",
  "source": "./plugins/your-plugin",
  "skills": ["./skills/your-skill"],
  "commands": ["./commands/your-command.md"]
}

License

MIT