Tool design patterns: building CLIs, MCPs, and APIs that agents can use effectively
Provides design patterns for creating effective tools like CLIs, MCPs, and APIs that are optimized for use by AI agents.
Why this plugin
Focuses on agent developer experience (DX), ensuring tools are discoverable, composable, and reliable for automated workflows, solving integration friction.
Prerequisites
Requires Claude Code and access to the Dark Matter Marketplace repository to install the plugin.
npx claudepluginhub rbergman/dark-matter-marketplaceExpert guidance for Next.js Cache Components and Partial Prerendering (PPR). Proactively activates in projects with cacheComponents: true, providing patterns for 'use cache' directive, cacheLife(), cacheTag(), cache invalidation, and parameter permutation rendering.
Migrate your code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5.
Comprehensive UI/UX design plugin for mobile (iOS, Android, React Native) and web applications with design systems, accessibility, and modern patterns
Persistent memory system for Claude Code - seamlessly preserve context across sessions