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SmartWatermelon Marketplace

A curated collection of quality-focused plugins for Claude Code, emphasizing critical code review, testing tools, and development workflows.

Philosophy

This marketplace focuses on plugins that:

  • Challenge assumptions rather than validate them
  • Identify failure modes before they reach production
  • Prioritize long-term maintainability over short-term convenience
  • Provide actionable feedback rather than vague suggestions

Installation

Add this marketplace to your Claude Code installation:

claude plugin marketplace add github:smartwatermelon/smartwatermelon-marketplace

After adding the marketplace, you can install individual plugins:

# Install specific plugin
claude plugin install code-critic@smartwatermelon-marketplace

# Or install all plugins
claude plugin install --all smartwatermelon-marketplace

Available Plugins

Code Critic

Status: Stable v1.3.0 Category: Quality / Code Review

Skeptical code review agent that assumes code is wrong until proven otherwise. Unlike validation-focused reviewers, Code Critic challenges architectural decisions, identifies failure modes, and prioritizes long-term maintainability.

Features:

  • Reviews code hierarchy: Purpose → Architecture → Failure Modes → Maintenance → Implementation
  • Challenges assumptions and asks "why" before "how"
  • Identifies race conditions, error handling gaps, and scalability issues
  • Integrates with git hooks for automated review

When to use:

  • Security-critical code (auth, payments, data handling)
  • Architectural changes
  • Complex business logic
  • High-risk refactoring

Documentation: plugins/code-critic/README.md

Install:

claude plugin install code-critic@smartwatermelon-marketplace

Coming Soon

More plugins are in development:

  • test-driven-discipline: TDD workflow enforcement and test quality analysis
  • performance-guardian: Performance regression detection and optimization suggestions
  • api-contract-validator: API contract testing and breaking change detection
  • documentation-critic: Documentation completeness and clarity analysis

Plugin Development

Want to contribute a plugin to this marketplace? See CONTRIBUTING.md for guidelines.

Adding a New Plugin

  1. Create plugin in plugins/<plugin-name>/
  2. Add plugin metadata to .claude-plugin/marketplace.json
  3. Update this README with plugin information
  4. Submit a pull request

Plugin Structure

plugins/
└── your-plugin/
    ├── .claude-plugin/
    │   └── plugin.json
    ├── agents/
    │   └── your-agent.md
    ├── docs/
    │   ├── USAGE.md
    │   └── [other docs]
    ├── LICENSE
    └── README.md

Quality Standards

Plugins in this marketplace must:

  • Have comprehensive documentation
  • Include usage examples
  • Specify clear use cases (when to use, when not to use)
  • Follow the marketplace philosophy (challenge, identify, prioritize)
  • Include MIT or compatible license
  • Pass local testing before submission

Marketplace Philosophy

Quality Over Quantity

This marketplace emphasizes quality over quantity. Each plugin is:

  • Purpose-driven: Solves a specific, real problem
  • Well-documented: Clear usage guide with examples
  • Battle-tested: Used in real projects
  • Maintainable: Clean code, clear architecture

Not Just Another Marketplace

Unlike general-purpose marketplaces, SmartWatermelon focuses on:

  1. Critical thinking tools - Plugins that challenge and improve your thinking
  2. Quality assurance - Tools that catch problems before they ship
  3. Developer discipline - Workflows that enforce best practices

Support

License

Marketplace infrastructure: MIT License

Individual plugins: See plugin LICENSE files

Credits

Created and maintained by Andrew Rich (@smartwatermelon)

Inspired by the philosophy that good tools challenge us to be better developers.

Latest Version: 1.3.0 Last Updated: 2026-02-11