A skills library that gives coding agents a development process: brainstorming, planning, TDD, subagents and code review
Plugins
Memory layer for agents: plugins for Claude Code, Codex, Cursor and OpenCode, plus a CLI and SDKs that carry context across sessions
OpenAI's official plugin: Codex reviews of your changes and task delegation to Codex from inside a Claude Code session
A plugin from Every: a brainstorm, plan, build, review and capture loop so each next task gets easier
Three skill plugins for Google Stitch: screen generation, code to design and React builds from mockups
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
Official skills and agents from the .NET team: performance, MSBuild, NuGet, upgrades, testing, ASP.NET Core, Blazor and MAUI
Cloudflare's official agent skills: Workers, Durable Objects, wrangler, Pages, storage and an MCP server
AWS's official set of MCP servers, skills and plugins so an agent can build, deploy and operate on AWS
Expo's official agent skills: building, deploying, updating and debugging Expo and EAS apps
Vercel Plugin
vercel-plugin
Vercel's official plugin: an ecosystem graph, skills for Next.js, AI SDK, deployment and storage, specialist agents and deploy commands
An engineering system for coding agents: 68 agents, 292 skills, hooks, memory, rules and the AgentShield security scanner
A plugin and skill that makes the agent write minimal code: reuse, stdlib and native platform features come first
A plugin that builds a knowledge graph of a codebase or wiki and opens an interactive dashboard with search, tours and diff impact
Plugin marketplace and CLI for Claude Code: agent swarms, background workers, vector memory, security review and test generation
Orchestrator plugin for OpenCode and Codex CLI: multiple agents, hooks, built-in MCPs, ultrawork mode and hash-anchored edits
A plugin and CLI catalog for agents: generates command-line interfaces for GUI apps like GIMP and Blender and installs ready ones via CLI-Hub
Agentic Plugin Marketplace by wshobson
Agentic Plugin Marketplace
94 plugins, 202 agents, 183 skills and 105 commands for Claude Code, generated for Codex, Cursor, OpenCode and Copilot
Knowledge-graph memory for agents: Claude Code and Codex plugins, an MCP server and a Python library
Claude Skills (Alireza Rezvani)
Claude Code Skills & Plugins
A large library of skills, agents and commands by domain: engineering, marketing, product, compliance, C-level advisors and research
A Claude Code plugin for the Phoenix LLM observability platform: remote MCP plus skills for traces, evals and instrumentation
Document extraction engine for PDFs, Office files and scans, shipped as an agent plugin, MCP server and CLI
A local browser UI to annotate agent plans and review diffs, then send the feedback back to the agent
Skills and hooks for building n8n workflows through the n8n-mcp server: expressions, nodes, validation, AI agents, self-hosting