diff --git a/docs/Makefile b/docs/Makefile
new file mode 100644
index 0000000..c435ec6
--- /dev/null
+++ b/docs/Makefile
@@ -0,0 +1,20 @@
+# Minimal makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line.
+SPHINXOPTS    =
+SPHINXBUILD   = sphinx-build
+SPHINXPROJ    = SphinxLLMsTxt
+SOURCEDIR     = source
+BUILDDIR      = _build
+
+# Put it first so that "make" without argument is like "make help".
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+.PHONY: help Makefile
+
+# Catch-all target: route all unknown targets to Sphinx using the new
+# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
+%: Makefile
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
\ No newline at end of file
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..46bcbbc
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,6 @@
+furo
+esbonio
+sphinx-contributors
+sphinx
+-e ../../sphinx-llms-txt
+sphinxext-opengraph
diff --git a/docs/source/changelog.rst b/docs/source/changelog.rst
new file mode 100644
index 0000000..09929fe
--- /dev/null
+++ b/docs/source/changelog.rst
@@ -0,0 +1 @@
+.. include:: ../../CHANGELOG.rst
diff --git a/docs/source/conf.py b/docs/source/conf.py
new file mode 100644
index 0000000..1195b2b
--- /dev/null
+++ b/docs/source/conf.py
@@ -0,0 +1,101 @@
+#
+# Configuration file for the Sphinx documentation builder.
+#
+# This file does only contain a selection of the most common options. For a
+# full list see the documentation:
+# http://www.sphinx-doc.org/en/master/config
+
+# -- Path setup --------------------------------------------------------------
+
+import re
+import subprocess
+
+# -- Project information -----------------------------------------------------
+
+project = "Sphinx llms.txt Generator"
+copyright = "Jared Dillard"
+author = "Jared Dillard"
+llms_txt_summary = """
+A Sphinx extension that generates a summary llms.txt file,written in Markdown,
+and a single combined documentation llms-full.txt file, written in reStructuredText.
+"""
+
+# check if the current commit is tagged as a release (vX.Y.Z)
+try:
+    GIT_TAG_OUTPUT = subprocess.check_output(["git", "tag", "--points-at", "HEAD"])
+    current_tag = GIT_TAG_OUTPUT.decode().strip()
+    if re.match(r"^v(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)$", current_tag):
+        version = current_tag
+    else:
+        version = "latest"
+except (subprocess.CalledProcessError, FileNotFoundError):
+    version = "latest"
+
+# The full version, including alpha/beta/rc tags
+release = ""
+
+
+# -- General configuration ---------------------------------------------------
+
+# If your documentation needs a minimal Sphinx version, state it here.
+#
+# needs_sphinx = '1.0'
+
+# Add any Sphinx extension module names here, as strings. They can be
+# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
+# ones.
+extensions = [
+    "sphinx.ext.intersphinx",
+    "sphinx_contributors",
+    "sphinx_llms_txt",
+]
+
+# The language for content autogenerated by Sphinx. Refer to documentation
+# for a list of supported languages.
+#
+# This is also used if you do content translation via gettext catalogs.
+# Usually you set "language" from the command line for these cases.
+language = "en"
+
+# List of patterns, relative to source directory, that match files and
+# directories to ignore when looking for source files.
+# This pattern also affects html_static_path and html_extra_path.
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
+
+# The name of the Pygments (syntax highlighting) style to use.
+pygments_style = "sphinx"
+
+intersphinx_mapping = {
+    "sphinx": ("https://www.sphinx-doc.org/en/master/", None),
+}
+
+
+# -- Options for HTML output -------------------------------------------------
+
+# The theme to use for HTML and HTML Help pages.  See the documentation for
+# a list of builtin themes.
+#
+html_theme = "furo"
+
+# Theme options are theme-specific and customize the look and feel of a theme
+# further.  For a list of options available for each theme, see the
+# documentation.
+#
+html_theme_options = {}
+
+html_baseurl = "https://sphinx-llms-txt.readthedocs.org/"
+
+
+# -- Options for HTMLHelp output ---------------------------------------------
+
+# Output file base name for HTML help builder.
+htmlhelp_basename = "SphinxLLMsTxtdoc"
+
+
+def setup(app):
+    app.add_object_type(
+        "confval",
+        "confval",
+        objname="configuration value",
+        indextemplate="pair: %s; configuration value",
+    )
diff --git a/docs/source/configuration-values.rst b/docs/source/configuration-values.rst
new file mode 100644
index 0000000..9b268ec
--- /dev/null
+++ b/docs/source/configuration-values.rst
@@ -0,0 +1,83 @@
+Project Configuration Values
+============================
+
+.. confval:: llms_txt_full_file
+
+   - **Type**: boolean
+   - **Default**: ``True``
+   - **Description**: Whether to write the single output file
+
+   .. versionadded:: 0.1.0
+
+.. confval:: llms_txt_full_filename
+
+   - **Type**: string
+   - **Default**: ``'llms-full.txt'``
+   - **Description**: Name of the single output file
+
+   .. versionadded:: 0.1.0
+
+.. confval:: 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.
+
+   .. versionadded:: 0.2.0
+
+.. confval:: llms_txt_file
+
+   - **Type**: boolean
+   - **Default**: ``True``
+   - **Description**: Whether to write the summary information file
+
+   .. versionadded:: 0.2.0
+
+.. confval:: llms_txt_filename
+
+   - **Type**: string
+   - **Default**: ``llms.txt``
+   - **Description**: Name of the summary information file
+
+   .. versionadded:: 0.2.0
+
+.. confval:: llms_txt_directives
+
+   - **Type**: list of strings
+   - **Default**: ``[]`` (empty list)
+   - **Description**: List of custom directive names to process for path resolution.
+
+   .. versionadded:: 0.1.0
+
+.. confval:: llms_txt_title
+
+   - **Type**: string or ``None``
+   - **Default**: ``None``
+   - **Description**: Overrides the Sphinx project name as the heading in ``llms.txt``.
+
+   .. versionadded:: 0.2.0
+
+.. confval:: llms_txt_summary
+
+   - **Type**: string or ``None``
+   - **Default**: ``None``
+   - **Description**: Optional, but recommended, summary description for ``llms.txt``.
+
+   .. versionadded:: 0.2.0
+
+.. confval:: llms_txt_exclude
+
+   - **Type**: list of strings
+   - **Default**: ``[]``
+   - **Description**: A list of pages to ignore (e.g., ``["page1", "page_with_*"]``).
+
+   .. versionadded:: 0.2.1
+
+.. confval:: llms_txt_rm_directives
+
+   - **Type**: boolean
+   - **Default**: ``False``
+   - **Description**: Whether to remove all directives from the output files.
+
+   .. versionadded:: 0.2.3
diff --git a/docs/source/contributing.rst b/docs/source/contributing.rst
new file mode 100644
index 0000000..44baf89
--- /dev/null
+++ b/docs/source/contributing.rst
@@ -0,0 +1,48 @@
+Contributing
+============
+
+You will need to set up a development environment to make and test your changes before submitting them.
+
+Local development
+-----------------
+
+#. Clone the `sphinx-llms-txt repository`_.
+
+#. Create and activate a virtual environment:
+
+   .. code-block:: console
+
+      python3 -m venv .venv
+      source .venv/bin/activate
+
+#. Install development dependencies:
+
+   .. code-block:: console
+
+      pip install -e ".[dev]"
+
+#. Install pre-commit Git hook scripts:
+
+   .. code-block:: console
+
+      pre-commit install
+
+Testing changes
+---------------
+
+Run ``pytest`` before committing changes.
+
+Current contributors
+--------------------
+
+Thanks to all who have contributed!
+The people that have improved the code:
+
+.. contributors:: jdillard/sphinx-llms-txt
+   :avatars:
+   :limit: 100
+   :exclude: pre-commit-ci[bot],dependabot[bot]
+   :order: ASC
+
+
+.. _sphinx-llms-txt repository: https://github.com/jdillard/sphinx-llms-txt
diff --git a/docs/source/getting-started.rst b/docs/source/getting-started.rst
new file mode 100644
index 0000000..c88a055
--- /dev/null
+++ b/docs/source/getting-started.rst
@@ -0,0 +1,24 @@
+Getting Started
+===============
+
+Installation
+------------
+
+Directly install via ``pip`` by using:
+
+.. code-block:: bash
+
+    pip install sphinx-llms-txt
+
+Usage
+-----
+
+Add the extension to your Sphinx configuration (``conf.py``):
+
+.. code-block:: python
+
+    extensions = [
+        'sphinx_llms_txt',
+    ]
+
+Once added, the extension will automatically generate the LLMs.txt files during the build process.
diff --git a/docs/source/index.rst b/docs/source/index.rst
new file mode 100644
index 0000000..8fa8a43
--- /dev/null
+++ b/docs/source/index.rst
@@ -0,0 +1,33 @@
+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.
+
+|PyPI version|
+
+.. toctree::
+   :maxdepth: 2
+
+   getting-started
+   configuration-values
+   contributing
+   changelog
+
+Features
+--------
+
+Sphinx LLMs.txt provides the following 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
+
+
+.. _Sphinx: http://sphinx-doc.org/
+
+.. |PyPI version| image:: https://img.shields.io/pypi/v/sphinx-llms-txt.svg
+   :target: https://pypi.python.org/pypi/sphinx-llms-txt
+   :alt: Latest PyPi Version
diff --git a/readthedocs.yml b/readthedocs.yml
new file mode 100644
index 0000000..eea5bd6
--- /dev/null
+++ b/readthedocs.yml
@@ -0,0 +1,15 @@
+version: 2
+
+build:
+  os: "ubuntu-20.04"
+  tools:
+    python: "3.10"
+
+sphinx:
+  configuration: docs/source/conf.py
+
+python:
+  install:
+    - requirements: docs/requirements.txt
+    - method: pip
+      path: .