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Agentsys

Agentsys is a JavaScript-based modular runtime, marketplace and installer for AI-agent plugins, agents and skills. It composes these components into structured software-development pipelines for Claude Code, OpenCode, Codex CLI, Cursor and Kiro.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Agentsys — OpenViST project profile in Agent Frameworks.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Agentsys when coding work needs reusable components, explicit workflow stages and orchestration across supported developer tools. It is also relevant for teams considering an internal plugin repository, although the exact custom-repository setup is not documented here.

Who it is for

  • Developers building repeatable AI-assisted coding workflows.
  • Teams distributing reusable agents, plugins or skills across supported coding environments.
  • Organizations evaluating a plugin-oriented catalog for internal agent capabilities.

Documented uses

  • Install reusable AI-agent plugins, agents and skills.
  • Assemble phase-gated workflows for code review and other software-development tasks.
  • Coordinate specialized agents with defined responsibilities, inputs and outputs.
  • Persist workflow state across session boundaries.
  • Separate deterministic repository analysis from model-based planning, synthesis and review.
Before you choose

Requirements & limits

The repository is public on GitHub and distributed under the MIT license. The project is used through command-line-oriented developer tools.

  • It supports five named coding environments: Claude Code, OpenCode, Codex CLI, Cursor and Kiro.
  • Plugins are described as standalone repositories fetched through the Agentsys marketplace and installer.
  • Agents have defined responsibilities, model assignments and input/output boundaries.
  • Phase gates prevent documented pipeline stages from being skipped, while state persists across sessions.
  • The framework combines regex, AST and static analysis with LLM-based planning, synthesis and review.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install AgentSys for Claude Code

Add AgentSys to Claude Code and install the next-task and ship plugins.

Before you start

  • Git
  • Node.js 18+

Steps

  1. In Claude Code, add the AgentSys marketplace with /plugin marketplace add agent-sh/agentsys.

  2. Install the next-task plugin with /plugin install next-task@agentsys.

  3. Install the ship plugin with /plugin install ship@agentsys.

Expected outcome

The AgentSys marketplace is added and the next-task and ship plugins are installed in Claude Code.

Guide limitations

  • This recipe covers installation only; it does not document how to run the plugins.
Documentation 1 ↗
Source-based practical guide

Install AgentSys for selected coding tools with npm

Install AgentSys and select one or more supported coding tools through its installer.

Before you start

  • Git
  • Node.js 18+

Steps

  1. Install AgentSys globally and launch its installer with the command below.

    Documented command
    npm install -g agentsys && agentsys

  2. For a non-interactive installation, select one tool with agentsys --tool claude or agentsys --tool cursor, or select multiple tools with agentsys --tools "claude,opencode".

  3. Choose from Claude Code, OpenCode, Codex CLI, Cursor, and Kiro, which the installer supports.

Expected outcome

AgentSys is installed and the installer is configured for the selected supported tool or tools.

Guide limitations

  • This recipe documents installation and tool selection, not subsequent workflow execution.
  • The source does not establish identical feature coverage across supported tools.
Documentation 1 ↗
COMPARE OPTIONS

Compare options for Agent orchestration

These projects document a common task and share a project role. This is a source-based comparison, not an execution benchmark or a guarantee of interchangeability.

ProjectDocumented purposePlatformAccess and requirements
AgentsysInstall reusable AI-agent plugins, agents and skills.CLI, Cloud, Desktop, Self-hostedThe repository is public on GitHub and distributed under the MIT license. The project is used through command-line-oriented developer tools.
AgeniteDefine typed tools with JSON Schema validation and error handling.CLI
VeldraCreate an agent with a policy, tools, skills, knowledge base and reasoning method.Self-hostedThe documented deployment is self-hosted and uses a sign-in gate after a first-run administrator account is created.
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
4 October 2026
Original website title
agent-sh/agentsys · Official homepage title · retained in its source language
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