Memory layer for agents: plugins for Claude Code, Codex, Cursor and OpenCode, plus a CLI and SDKs that carry context across sessions
Plugins
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
An engineering system for coding agents: 68 agents, 292 skills, hooks, memory, rules and the AgentShield security scanner
A persistent memory plugin: stores observations from agent sessions and injects relevant context into new ones
Plugin marketplace and CLI for Claude Code: agent swarms, background workers, vector memory, security review and test generation
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
MAX channel for Claude Code
claude-max-messenger-plugin
A Claude Code channel plugin for MAX messenger via Bot API: message the bot and Claude answers from the terminal, with pairing-code access
Claude Code channel plugin: chat with an agent session through a VK community from mobile or web
Shared cloud memory for a team's agents: stores session traces and turns repeated patterns into skills
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