Sphinx llms.txt generator

A Sphinx extension that generates a summary llms.txt file, written in Markdown, and a single combined documentation llms-full.txt file, written in reStructuredText.

Installation

pip install sphinx-llms-txt

Usage

1. Add the extension to your Sphinx configuration (conf.py):

extensions = [
    'sphinx_llms_txt',
]

Configuration Options

llms_txt_full_file

• Type: boolean
• Default: 'True'
• Description: Whether to write the single output file

llms_txt_full_filename

• Type: string
• Default: 'llms-full.txt'
• Description: Name of the single output file

llms_txt_full_max_size

• Type: integer or None
• Default: None (no limit)
• Description: Sets a maximum line count for llms_txt_full_filename. If exceeded, the file is skipped and a warning is shown, but the build still completes.

llms_txt_file

• Type: boolean
• Default: True
• Description: Whether to write the summary information file

llms_txt_filename

• Type: string
• Default: llms.txt
• Description: Name of the summary information file

llms_txt_directives

• Type: list of strings
• Default: []
• Description: List of custom directive names to process for path resolution.

llms_txt_title

• Type: string or None
• Default: None
• Description: Overrides the Sphinx project name as the heading in llms.txt.

llms_txt_summary

• Type: string or None
• Default: None
• Description: Optional, but recommended, summary description for llms.txt.

llms_txt_exclude

• Type: list of strings
• Default: []
• Description: A list of pages to ignore (e.g., ["page1", "page_with_*"]).

Features

• Creates llms.txt and llms-full.txt
• Automatically add content from include directives
• Resolves relative paths in directives like image and figure to use full paths
  • Ability to add list of custom directives with llms_txt_directives
  • Optionally, prepend a base URL using Sphinx's html_baseurl
• Ability to exclude pages

License

MIT License - see LICENSE file for details.