A skills library that gives coding agents a development process: brainstorming, planning, TDD, subagents and code review
Plugins
Open prompt library with a Claude Code plugin, MCP server and CLI: search, fetch and improve prompts and skills from an agent
Official Claude Code plugin from the Next.js repo: adopting Cache Components and Partial Prefetching, and verifying changes on a running dev server
Memory layer for agents: plugins for Claude Code, Codex, Cursor and OpenCode, plus a CLI and SDKs that carry context across sessions
Anthropic's plugin marketplace for Claude Code: in-house plugins plus vetted third-party ones, installed via /plugin
OpenAI's official plugin: Codex reviews of your changes and task delegation to Codex from inside a Claude Code session
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
A Google plugin for spec-driven development: project context, a spec and a plan before code, then implementation that follows the plan
Cloudflare's official agent skills: Workers, Durable Objects, wrangler, Pages, storage and an MCP server
Expo's official agent skills: building, deploying, updating and debugging Expo and EAS apps
A plugin and skill that makes the agent write minimal code: reuse, stdlib and native platform features come first
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 set of /sc slash commands, agents and behavior modes for Claude Code, from brainstorming and research to implementation and tests
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
An Anthropic GitHub Action that checks pull request changes for vulnerabilities with Claude and leaves comments
Persistent agent memory in an Obsidian vault: saving decisions, search, research and background vault upkeep
A Claude Code plugin marketplace with ready sets of agents, slash commands, hooks and skills, plus a search site
A Claude Code plugin with correction memory: every fix becomes a rule, plus topic wikis, hooks and dozens of skills