> For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt.

# Themelio Project

> **Themelio compatibility reference.** This page describes the retained Themelio implementation or its historical design. Check the [parallel-operation guide](/compatibility/index.md) before applying it to the current platform.

A Themelio Project is the primary organizational unit in the platform. It is best described as the intersection between a Waldur project (logical container for compute resources) and a GitLab group (hierarchical container for repositories, members, and access control). Themelio Projects provide isolation, access control, quota management, and billing organization. Each project has a scientific rationale, a defined timeframe, allocated hardware resources, and its own private Catalogue of Resources.

## Provisioned Subsystems

When a Themelio Project is approved, six subsystems are provisioned automatically — a Waldur order, a Kubernetes namespace, a Kubeflow profile, an MLflow workspace, GitLab subgroups, and an HPC Slurm account — together forming the project's isolated environment. See the [Core Requirements](/product/requirements/core.md#themelio-project) for the full breakdown.

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