Editors’ pick
OpenAI's official plugin: Codex reviews of your changes and task delegation to Codex from inside a Claude Code session
Plugins
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 plugin for the Phoenix LLM observability platform: remote MCP plus skills for traces, evals and instrumentation
A Claude Code hooks plugin that blocks code without a failing test and implementation beyond the current test
Skills the Sentry team uses for development: code review, bug hunting, security audits, commits, PRs and skill scanning
A community marketplace of Claude Code commands and agents, synced from the claudecodecommands.directory catalog
Claude Code plugins with development recipes: agree on the outcome, design, implement with checks and run an independent review
A Claude Code and Codex plugin with skills for code research, tests, refactoring and independent review of finished changes
A large Claude Code and Cursor plugin: development skills, specialist agents and hooks with quality gates and git protection
A CLI and marketplace of hundreds of Claude Code plugins: lint and test hooks, language and framework skills, discipline agents
Bitovi's plugin marketplace: specs and feature delivery, Figma and React, Playwright QA, tRPC and Prisma
A Claude Code and OpenCode plugin that will not let a session end until 1C edits pass standards, architecture and XML checks