anthropics / claude-plugins-official

Anthropic-managed marketplace directory of curated plugins for Claude Code, split into internal and external plugin folders.

headroomlabs-ai / headroom

Compresses tool outputs, logs, files, RAG chunks and conversation history before they reach an LLM, as a library, proxy, or MCP server.

sickn33 / agentic-awesome-skills

Local CLI, MCP server, and catalog for searching, selecting, validating, and previewing installs of 2,700+ reusable SKILL.md agent playbooks.

wshobson / agents

A multi-harness collection of plugins, agents, skills, and commands for AI coding tools like Claude Code, Codex CLI, and Cursor.