Claude Code plugin

agentsys

Marketplace of plugins automating PR, CI and release chores around AI coding.

1,011 stars 118 forksPlugins & marketplaces Plugin marketplace Source

Install

Inside Claude Code
/plugin marketplace add agent-sh/agentsys
From source
git clone https://github.com/agent-sh/agentsys.git

From the README

AgentSys

  A modular runtime and orchestration system for AI agents.

  11 plugins · 5 agents · 14 skills (across all repos) · 13k lines of lib code · tests on Linux and Windows · 5 platforms
  Plugins distributed as standalone repos under agent-sh org - agentsys is the marketplace & installer

Built and maintained with a lot of agent tokens and hours. If it saves you time, sponsoring helps keep it going.

  Commands · Installation · Website · Discussions

  Built for Claude Code · Codex CLI · OpenCode · Cursor · Kiro

New skills, agents, and integrations ship constantly. Follow for real-time updates:

AI models can write code. That's not the hard part anymore. The hard part is everything around it - branch management, code review, artifact cleanup, CI, PR comments. AgentSys is the runtime that orchestrates agents to handle all of it - structured pipelines, gated phases, specialized agents, and persistent state that survives session boundaries.

Building custom skills, agents, hooks, or MCP tools? agnix is the CLI + LSP linter that catches config errors before they fail silently - real-time IDE validation, auto suggestions, auto-fix, and 757 rules for Claude Code, Codex, OpenCode, Cursor, Kiro, Copilot, Gemini CLI, Cline, Windsurf, Roo Code, Amp, and more.

What's New in 6.1.1

- OpenCode, Codex, Cursor and Kiro installs get the plugins that ship no .claude-plugin/plugin.json at their pin. The installer fetched such a plugin and installed nothing from it. It now makes one from the marketplace entry, as Claude Code does.
- agnix installs its /agnix command, agent and skill on every platform. Claude Code installed only its skill before, and the other platforms nothing. The marketplace entry is now a git-subdir source for the plugin's plugin/ folder.
- The installer…
Read the full README on GitHub

How plugins work

  • A plugin bundles slash commands, subagents, skills, hooks, MCP servers and status lines so they install together.
  • Add the marketplace inside Claude Code with /plugin marketplace add agent-sh/agentsys, then run /plugin to pick what to install.
  • You can turn a plugin off again from /plugin without deleting anything.
Claude Code docs

Details

Repository
agent-sh/agentsys
Type
Plugins & marketplaces
Website
agent-sh.github.io/agentsys
Language
JavaScript
License
MIT
Last updated
2 November 2026
Topics
agentaianthropicautomationautonomous-agentsclaudeclaude-codeclicode-reviewcodexcursordevtools
Listed in
jqueryscript/awesome-claude-code

FAQ

What is agentsys?

Marketplace of plugins automating PR, CI and release chores around AI coding. It is a plugin for Claude Code, from agent-sh/agentsys on GitHub.

How do I install agentsys?

Run /plugin marketplace add agent-sh/agentsys inside Claude Code, then follow the setup in the README.

Is agentsys popular?

agent-sh/agentsys has 1,011 GitHub stars and 118 forks, and is included in 1 curated Claude Code list. It was last updated on 2 November 2026.

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