code-simplifier

Mattermost AI Marketplace

Staff-contributed Claude Code plugins for Mattermost engineering workflows. Browse, install, and share skills, agents, hooks, and more.

Quick Start

# Add this marketplace
/plugin marketplace add mattermost/mattermost-ai-marketplace

# Browse available plugins
/plugin

# Install a plugin
/plugin install <plugin-name>@mattermost-ai-marketplace

# Update the marketplace catalog
/plugin marketplace update mattermost-ai-marketplace

Available Plugins

Plugin	Description	Category	Version
code-simplifier	Simplifies and refines code for clarity, consistency, and maintainability	code-quality	1.0.0
conflicts	Git merge conflict resolution agent that analyzes intent behind changes	git	1.0.0
figma-implement-design	Translate Figma designs into production-ready code with 1:1 visual fidelity	design	1.0.0
precommit	Discover, run, and resolve all pre-commit code quality checks in a monorepo	code-quality	1.0.0
test-evaluator	Review tests for efficacy, correctness, and coverage gaps	testing	1.0.0
teamimplement	Orchestrate phased implementation with dedicated research, planning, implementation, review, and QA engineers	productivity	1.0.0
issue-resolver	Autonomous issue resolution agent using sub-agents and browser-based validation	productivity	1.0.0
mattermost-test-data	Backfill realistic test data into a Mattermost server using MCP tools	devops	1.0.0
claude-md-improver	Audit and improve CLAUDE.md files — scans, scores quality, and makes targeted updates	productivity	1.0.0
mattermost-plugin-development	Skills for developing Mattermost plugins	development	1.0.0
review-migration	Analyze schema migrations against best practices and generate a review report	code-quality	1.0.0
dev-workflows	Skills for common development workflows — dependency management, module hygiene, and routine maintenance tasks	devops	1.0.0

Auto-Setup for Your Projects

Add to your project's .claude/settings.json so teammates are prompted to install automatically:

{
  "extraKnownMarketplaces": {
    "mattermost-ai-marketplace": {
      "source": {
        "source": "github",
        "repo": "mattermost/mattermost-ai-marketplace"
      }
    }
  }
}

Optionally enable specific plugins by default:

{
  "enabledPlugins": {
    "plugin-name@mattermost-ai-marketplace": true
  }
}

Repository Structure

mattermost-ai-marketplace/
  .claude-plugin/
    marketplace.json          # Marketplace catalog (lists all plugins)
  plugins/
    <plugin-name>/
      .claude-plugin/
        plugin.json           # Plugin manifest
      skills/
        <skill-name>/
          SKILL.md            # Skill definition
      agents/                 # Optional: subagent definitions
      hooks/                  # Optional: lifecycle hooks
      README.md               # Plugin-level docs
  templates/
    plugin/                   # Starter template for new plugins
    skill/                    # Starter template for a single skill
  CONTRIBUTING.md
  LICENSE

Contributing

See CONTRIBUTING.md for how to add your own plugins.

Validating

Maintainers can validate the marketplace from the repo root:

claude plugin validate .