Plugins

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

Open prompt library with a Claude Code plugin, MCP server and CLI: search, fetch and improve prompts and skills from an agent

Knowledge-graph memory for agents: Claude Code and Codex plugins, an MCP server and a Python library

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

A community marketplace of Claude Code commands and agents, synced from the claudecodecommands.directory catalog

A Claude Code plugin with correction memory: every fix becomes a rule, plus topic wikis, hooks and dozens of skills

Numman Ali's small plugin marketplace: agent orchestration, open-source maintenance, Gas Town and Z.AI CLI

A Claude Code plugin marketplace with ready sets of agents, slash commands, hooks and skills, plus a search site

A large Claude Code plugin and skill marketplace with the ccpi CLI and a category-based catalog site

Jesse Vincent's Claude Code plugin marketplace: Superpowers, cross-session memory, Chrome, writing style and more