# ESMValCore

> ESMValCore is the core of ESMValTool: it finds, fixes, and preprocesses Earth system model data according to a YAML recipe and runs diagnostic scripts.


2026, ESMValTool Development Team

## Pages in this subsection

- [Getting started](index.html.md): *  Installation
- [Installation](install.html.md): In order to install ESMValCore and its dependencies from
- [Configuration](configure.html.md): Similar to Dask,
- [Input data](find_data.html.md): Data discovery and retrieval is the first step in any evaluation process;
- [Running](run.html.md): The ESMValCore package provides the `esmvaltool` command line tool, which can
- [Output](output.html.md): ESMValTool automatically generates a new output directory with every run.

## Optional

- [Top-level llms.txt](../llms.txt): Complete documentation index.