# OpenHands Docs > LLM-friendly index of OpenHands documentation (V1). Legacy V0 docs pages are intentionally excluded. The sections below intentionally separate OpenHands product documentation (Web App Server / Cloud / CLI) from the OpenHands Software Agent SDK. ## OpenHands Software Agent SDK - [ACP Agent](https://docs.openhands.dev/sdk/guides/agent-acp.md): Delegate to an ACP-compatible server (Claude Code, Gemini CLI, etc.) instead of calling an LLM directly. - [Agent](https://docs.openhands.dev/sdk/arch/agent.md): High-level architecture of the reasoning-action loop - [Agent Server Package](https://docs.openhands.dev/sdk/arch/agent-server.md): HTTP API server for remote agent execution with workspace isolation, container orchestration, and multi-user support. - [Agent Settings](https://docs.openhands.dev/sdk/guides/agent-settings.md): Configure, serialize, and recreate agents from structured settings. - [Agent Skills & Context](https://docs.openhands.dev/sdk/guides/skill.md): Skills add specialized behaviors, domain knowledge, and context-aware triggers to your agent through structured prompts. - [API-based Sandbox](https://docs.openhands.dev/sdk/guides/agent-server/api-sandb…