npx claudepluginhub cosmoscalibur/agent-harnessAgent readiness evaluation, a global behavioral/tooling ruleset, and stage-specific coding methodology skills (planning, implementation, review, commit, pull requests) with ast-grep structural search. On Claude Code it adds bundled language servers (Python, Markdown, Bash, JS/TS, HTML/CSS, Rust), Ruff and rumdl auto-format hooks, and MCP servers (chrome-devtools, notion).
Claude Code marketplace entries for the plugin-safe Agentic Awesome Skills library and its compatible editorial bundles.
Production-ready workflow orchestration with 94 marketplace plugins, 203 local specialized agents, and 175 local skills - optimized for granular installation and minimal token usage
Directory of popular Claude Code extensions including development tools, productivity plugins, and MCP integrations