# LittleGhost

> An open-source Ruby 3.3+ library for agents, tools, workflows, swarms, and graphs.

This documentation describes the Edge build. Use a matching release snapshot for an application pinned to a released gem.

- [Complete documentation as one file](https://mattyr.github.io/little_ghost/llms-full.txt)

## Start here

- [Documentation home](https://mattyr.github.io/little_ghost/docs/index.md)
- [Getting Started](https://mattyr.github.io/little_ghost/docs/getting_started.md)
- [Core Concepts](https://mattyr.github.io/little_ghost/docs/core_concepts.md)
- [Models and Providers](https://mattyr.github.io/little_ghost/docs/models_and_providers.md)

## Build with agents

- [Prompts as Views](https://mattyr.github.io/little_ghost/docs/prompt_views.md)
- [Tools](https://mattyr.github.io/little_ghost/docs/tools.md)
- [Structured Results and Content](https://mattyr.github.io/little_ghost/docs/structured_outputs_and_content.md)
- [Compose Agents](https://mattyr.github.io/little_ghost/docs/assemblies.md)
- [Skills](https://mattyr.github.io/little_ghost/docs/skills.md)

## Run code

- [Workspaces and Sandboxes](https://mattyr.github.io/little_ghost/docs/sandboxing.md)
- [Code Mode](https://mattyr.github.io/little_ghost/docs/code_mode.md)

## Operate

- [Integrations](https://mattyr.github.io/little_ghost/docs/integrations.md)
- [Running in Production](https://mattyr.github.io/little_ghost/docs/production.md)

## Essential API

- [LittleGhost](https://mattyr.github.io/little_ghost/docs/LittleGhost.md)
- [LittleGhost::Agent](https://mattyr.github.io/little_ghost/docs/LittleGhost/Agent.md)
- [LittleGhost::Tool](https://mattyr.github.io/little_ghost/docs/LittleGhost/Tool.md)
- [LittleGhost::Run](https://mattyr.github.io/little_ghost/docs/LittleGhost/Run.md)
- [LittleGhost::Assembly](https://mattyr.github.io/little_ghost/docs/LittleGhost/Assembly.md)
- [LittleGhost::Workflow](https://mattyr.github.io/little_ghost/docs/LittleGhost/Workflow.md)
- [LittleGhost::Swarm](https://mattyr.github.io/little_ghost/docs/LittleGhost/Swarm.md)
- [LittleGhost::Graph](https://mattyr.github.io/little_ghost/docs/LittleGhost/Graph.md)
- [LittleGhost::Configuration](https://mattyr.github.io/little_ghost/docs/LittleGhost/Configuration.md)
- [LittleGhost::Runtime](https://mattyr.github.io/little_ghost/docs/LittleGhost/Runtime.md)

## Integrations API

- [LittleGhost::Skills::Catalog](https://mattyr.github.io/little_ghost/docs/LittleGhost/Skills/Catalog.md)
- [LittleGhost::MCP::Toolset](https://mattyr.github.io/little_ghost/docs/LittleGhost/MCP/Toolset.md)
- [LittleGhost::MCP::Client](https://mattyr.github.io/little_ghost/docs/LittleGhost/MCP/Client.md)
- [LittleGhost::MCP::HTTPTransport](https://mattyr.github.io/little_ghost/docs/LittleGhost/MCP/HTTPTransport.md)
- [LittleGhost::AGUI::Adapter](https://mattyr.github.io/little_ghost/docs/LittleGhost/AGUI/Adapter.md)
- [LittleGhost::Tracing::OpenTelemetry](https://mattyr.github.io/little_ghost/docs/LittleGhost/Tracing/OpenTelemetry.md)

## Optional

- [Complete API index](https://mattyr.github.io/little_ghost/docs/api.md)
- [Version catalog](https://mattyr.github.io/little_ghost/versions.json)
- [GitHub source](https://github.com/mattyr/little_ghost)