# Cognite Documentation

> Cognite Data Fusion (CDF) documentation for developers, data engineers, and administrators.
> This root index links to section-level page indexes. For full page content, see /llms-full.txt.

## Section indexes

- [/llms-cdf-data.txt](/llms-cdf-data.txt): CDF data layer — industrial tools, data exploration, data engineering, data modeling, governance, and workflows (224 pages)
- [/llms-cdf-platform.txt](/llms-cdf-platform.txt): CDF platform — getting started, Atlas AI agents, build, admin, authentication, access control, and deployment (198 pages)
- [/llms-dev.txt](/llms-dev.txt): Developer tools — REST API quickstart, Python/JavaScript/other SDKs, authentication, and IDE integration (56 pages)
- [/llms-api.txt](/llms-api.txt): API reference — conceptual guides and REST API reference, stable version 20230101 (104 pages)

## Most visited pages (by AI agents)

- [Building with Cognite Data Fusion](/dev/): Developer hub — SDKs, API quickstart, and developer tools overview
- [About data modeling](/cdf/dm/): Data modeling concepts, containers, views, and knowledge graphs
- [Connecting your IDE](/dev/guides/ide_ai_integration): MCP server and SKILL.md integration guide
- [Atlas AI concepts](/cdf/atlas_ai/concepts/): How Atlas AI agents work with language models and tools
- [Atlas AI agent tools](/cdf/atlas_ai/references/atlas_ai_agent_tools): Reference for built-in agent tools
- [YAML resource library](/cdf/deploy/cdf_toolkit/references/resource_library): CDF Toolkit resource configuration reference
- [Core data model](/cdf/dm/dm_reference/dm_core_data_model): CogniteCore standardized building blocks
- [Containers, views, and data models](/cdf/dm/dm_concepts/dm_containers_views_datamodels): Schema definition in CDF
- [Query features](/cdf/dm/dm_concepts/dm_querying): Graph queries, filters, and subscriptions
- [Data modeling language (DML)](/cdf/dm/dm_graphql/dm_data_modeling_language): GraphQL-based data model definition

## Key starting points

- [Cognite Data Fusion overview](/cdf/): Platform overview and sign-in
- [Industrial tools](/cdf/industrial_tools/): Pre-built apps for industrial data analysis
- [Data integration](/cdf/integration/): Connect data sources, extractors, and pipelines
- [Authentication and access](/cdf/access/): Identity, groups, and access control
- [CDF Toolkit](/cdf/deploy/cdf_toolkit/): Infrastructure-as-code for CDF project management
- [Python SDK](/dev/sdks/python/): Full-featured Python library for CDF integration
- [REST API quickstart](/dev/quickstart): Get your first API response in 5 minutes
- [API reference (stable)](/api-reference/concepts/20230101/api-description): Full REST API documentation