> ## Documentation Index
> Fetch the complete documentation index at: https://docs.agentscope.io/llms.txt
> Use this file to discover all available pages before exploring further.

# What's AgentScope 2.0?

> Secure, efficient, flexible, and complete.

AgentScope 2.0 is a production-ready agent framework built for security, efficiency, flexibility, and completeness — with **multi-tenant**, **multi-session** management and **distributed deployment** as first-class citizens.

<Note>
  AgentScope 2.0 is a breaking change from 1.0, with significant improvements. We recommend users to migrate to 2.0 to take advantage of the new features and improvements.
</Note>

* **Secure**: Triple-layer protection via tool-specific review, human-in-the-loop permissions, and sandboxing.
* **Efficient**: Intelligent orchestration for concurrent or sequential tool execution based on tool properties.
* **Flexible**: Non-invasive modification of agent runtime behavior via agent and tool middleware.
* **Complete**: Full-stack coverage with development SDK, frontend UI, multi-tenant multi-session backend, and distributed deployment.

## Full-stack capabilities, production-hardened

From reasoning agent to enterprise deployment, AgentScope covers the full agent development lifecycle.

<CardGroup cols={1}>
  <Card title="ReAct Agent" icon="robot" href="/versions/2.0.3/en/building-blocks/agent" cta="Get Started">
    Autonomous agent with ReAct reasoning and tool execution. Built-in human-in-the-loop oversight and efficient tool orchestration.
  </Card>

  <Card title="Toolkit" icon="toolbox" href="/versions/2.0.3/en/building-blocks/tool" cta="Learn about toolkit">
    Agent self-managed tool system with Python functions, MCP and skills integration.
  </Card>

  <Card title="Context" icon="memory" href="/versions/2.0.3/en/building-blocks/context" cta="View context">
    Compression, offload and agentic retrieval for context management and long-term memory. Third-party integration with Mem0, ReMe and other vector databases.
  </Card>

  <Card title="Sandbox Isolation" icon="codepen" href="/versions/2.0.3/en/building-blocks/workspace" cta="Learn about sandbox">
    Tool execution in isolated environments (local filesystem, Docker, E2B, K8s, etc.) with multi-granularity isolation at user, agent, and session levels.
  </Card>

  <Card title="Agent as Service" icon="server" href="/versions/2.0.3/en/deploy/agent-service" cta="Learn about agent service">
    One-click start of a production-ready backend with multi-tenant, multi-session management and distributed deployment, plus a frontend UI and development SDK.
  </Card>
</CardGroup>