Agent Plugins

Claude Code Plugins Directory is Anthropic's official marketplace repository for discovering and installing internal and partner plugins through Claude Code.

Claude Plugins Community is Anthropic's read-only community marketplace mirror for Claude Code and Claude Cowork. It indexes third-party plugins that passed automated security scanning and distribution review, with most external sources pinned to exact commits.

A pre-execution security layer that checks suspicious URLs, pipe-to-shell commands, terminal injection, data exfiltration, and malicious agent configuration through shell hooks, host hooks, or an MCP gateway.

A pre-command hook that checks shell operations and blocks or warns about commands that could cause data loss.

A Microsoft HVE-maintained GitHub Copilot workflow pack that combines agents, prompts, instructions, and skills for research, planning, implementation, review, and security checks.