anthropics / claude-plugins-official

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

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.

google / artemis

Lets AI agents and test suites drive real Android devices from natural-language instructions, with logcat capture and MCP integration.

superdesigndev / treg

A registry and proxy that gives agents one base URL and token to call a catalog of third-party tool endpoints, billed per call.