# Tractorbeam Docs > Documentation for Tractorbeam, an integrated data platform. ## API Reference - [API Reference](https://tractorbeam.ai/docs/api-reference/overview): The Tractorbeam HTTP API. ## Concepts - [Apps](https://tractorbeam.ai/docs/concepts/apps): Web Apps and MCP Servers, through which people and agents use the Ontology. - [Connectors](https://tractorbeam.ai/docs/concepts/connectors): How Actions authenticate to outside systems without holding their credentials. - [Hosting models](https://tractorbeam.ai/docs/concepts/hosting): Tractorbeam Cloud and Customer Cloud, and whose cloud holds a Workspace's data. - [Ontology](https://tractorbeam.ai/docs/concepts/ontology): Objects, Queries, Mutations, and Actions, the Resources that agents and Apps use. - [Projects](https://tractorbeam.ai/docs/concepts/projects): The TypeScript source of a Workspace's definitions, and how applying it commits them. - [Resources](https://tractorbeam.ai/docs/concepts/resources): The named, reusable parts of a Workspace, and the kinds of Resource. - [Workspaces](https://tractorbeam.ai/docs/concepts/workspaces): Accounts, Workspaces, Branches, and Commits, and how a Workspace records change. ## Introduction - [Overview](https://tractorbeam.ai/docs/introduction/overview): What Tractorbeam is, and the concepts these docs build on. ## Agent skills - [tractorbeam-docs](https://tractorbeam.ai/docs/.well-known/agent-skills/tractorbeam-docs/SKILL.md): Read the Tractorbeam Docs instead of answering from memory. Documentation for Tractorbeam, an integrated data platform. Use when a task involves Tractorbeam Docs: how it works, how to set it up or configure it, or its API. ## Agent resources - [llms-full.txt](https://tractorbeam.ai/docs/llms-full.txt): The full Markdown of every page in one file. - [Page Markdown](https://tractorbeam.ai/docs/index.md): Append `.md` to any page URL to fetch that page as raw Markdown. - [JSON API](https://tractorbeam.ai/docs/api/docs/pages.json): Page index of the JSON docs API; each entry links the page's JSON and Markdown forms. Described by the OpenAPI document at https://tractorbeam.ai/docs/openapi.json. - [Agent skills](https://tractorbeam.ai/docs/.well-known/agent-skills/index.json): Agent Skills discovery index of the skills this site publishes. - [API catalog](https://tractorbeam.ai/docs/.well-known/api-catalog): RFC 9727 linkset of the APIs documented here. - [AI catalog](https://tractorbeam.ai/docs/.well-known/ai-catalog.json): ARD manifest of the agent-facing resources on this site (MCP server, skills, APIs). - [agent-readability.json](https://tractorbeam.ai/docs/agent-readability.json): Manifest of every agent-facing artifact on this site. - [Sitemap](https://tractorbeam.ai/docs/sitemap.xml): Every indexable page URL with its last-modified date.