# Grain documentation

> The main user guide for running Missions with Grain Models or Grain Executor and reviewing editable Grain Suite deliverables.

- Canonical page: [/product/docs](https://grain.sh/product/docs)
- Agent-readable page: [/agents/product--docs.md](https://grain.sh/agents/product--docs.md)
- Section: Product

## What this page covers

- Quick start and installation
- Mission lifecycle, Grain Models, Grain Executor, and AI Workhorse
- Projects, repositories, Grain Suite, files, Git, and publishing
- Knowledge, integrations, channels, MCP, and tools
- Machines, routing, repository roots, model health, security, troubleshooting, and FAQ

## About Grain

Grain is a multi-agent work platform. A person describes an outcome as a Mission, Grain coordinates the models, tools, files, repositories, and connected computers needed to do the work, and the result returns for review.

Start with [the complete agent-readable index](https://grain.sh/agents/index.md) or read [the full site corpus](https://grain.sh/llms-full.txt).