Editors’ pick
OpenAI's official plugin: Codex reviews of your changes and task delegation to Codex from inside a Claude Code session
Plugins
Editors’ pick
A plugin from Every: a brainstorm, plan, build, review and capture loop so each next task gets easier
Trail of Bits skills
Trail of Bits Skills Marketplace
Trail of Bits plugin marketplace for security work: smart contracts, C/C++ and Rust review, Semgrep, CodeQL and fuzzing
Editors’ pick
Official skills and agents from the .NET team: performance, MSBuild, NuGet, upgrades, testing, ASP.NET Core, Blazor and MAUI
A Claude Code and OpenCode plugin that will not let a session end until 1C edits pass standards, architecture and XML checks
A Google extension for Gemini CLI that finds vulnerabilities in branch changes and checks dependencies with OSV-Scanner
A Claude Code and Codex plugin with skills for code research, tests, refactoring and independent review of finished changes
A CLI and marketplace of hundreds of Claude Code plugins: lint and test hooks, language and framework skills, discipline agents
A large Claude Code and Cursor plugin: development skills, specialist agents and hooks with quality gates and git protection