diff --git a/CHANGELOG.md b/CHANGELOG.md
index cb3076c..76fcc7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Documentation
+
+- Expose an `llms.txt` file in the documentation [#111](https://github.com/python-backoff/backoff/pull/111)
+
 ### Internal
 
 - Apply the Ruff `RET` rules [#92](https://github.com/python-backoff/backoff/pull/92) (from [@edgarrmondragon](https://github.com/edgarrmondragon))
diff --git a/mkdocs.yml b/mkdocs.yml
index 569a891..cd50102 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -1,4 +1,5 @@
-site_url: https://backoff.readthedocs.io/
+# site_url: https://backoff.readthedocs.io/
+site_url: http://localhost:8000
 site_description: Python library providing function decorators for configurable backoff and retry
 site_name: backoff
 repo_url: https://github.com/python-backoff/backoff
@@ -43,6 +44,15 @@ plugins:
             docstring_style: google
             show_root_heading: yes
             show_source: yes
+  - llmstxt:
+      markdown_description: Python library providing function decorators for configurable backoff and retry.
+      full_output: llms-full.txt
+      sections:
+        Usage documentation:
+          - getting-started.md: Getting Started
+          - user-guide/*.md
+        API reference:
+          - api/reference.md
 nav:
   - Home: index.md
   - Getting Started: getting-started.md
diff --git a/pyproject.toml b/pyproject.toml
index 7c01424..0f68460 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,8 @@ dev = [
     { include-group = "typing" },
 ]
 docs = [
-    "mkdocstrings[python]~=1.0.2",
+    "mkdocstrings[python]==1.0.3",
+    "mkdocs-llmstxt==0.5.0",
     "zensical==0.0.23",
 ]
 lint = [
diff --git a/requirements/docs.requirements.txt b/requirements/docs.requirements.txt
index 24ea100..2efec50 100644
--- a/requirements/docs.requirements.txt
+++ b/requirements/docs.requirements.txt
@@ -1,5 +1,9 @@
 # This file was autogenerated by uv via the following command:
 #    uv pip compile pyproject.toml --group=docs --python-version=3.14 --output-file=requirements/docs.requirements.txt
+beautifulsoup4==4.14.3
+    # via
+    #   markdownify
+    #   mkdocs-llmstxt
 click==8.3.1
     # via
     #   mkdocs
@@ -29,12 +33,24 @@ markdown==3.10.2
     #   mkdocstrings
     #   pymdown-extensions
     #   zensical
+markdown-it-py==3.0.0
+    # via mdformat
+markdownify==1.2.2
+    # via mkdocs-llmstxt
 markupsafe==3.0.3
     # via
     #   jinja2
     #   mkdocs
     #   mkdocs-autorefs
     #   mkdocstrings
+mdformat==0.7.22
+    # via
+    #   mdformat-tables
+    #   mkdocs-llmstxt
+mdformat-tables==1.0.0
+    # via mkdocs-llmstxt
+mdurl==0.1.2
+    # via markdown-it-py
 mergedeep==1.3.4
     # via
     #   mkdocs
@@ -49,6 +65,8 @@ mkdocs-autorefs==1.4.4
     #   mkdocstrings-python
 mkdocs-get-deps==0.2.0
     # via mkdocs
+mkdocs-llmstxt==0.5.0
+    # via python-backoff (pyproject.toml:docs)
 mkdocstrings==1.0.3
     # via
     #   python-backoff (pyproject.toml:docs)
@@ -79,8 +97,16 @@ pyyaml==6.0.3
 pyyaml-env-tag==1.1
     # via mkdocs
 six==1.17.0
-    # via python-dateutil
+    # via
+    #   markdownify
+    #   python-dateutil
+soupsieve==2.8.3
+    # via beautifulsoup4
+typing-extensions==4.15.0
+    # via beautifulsoup4
 watchdog==6.0.0
     # via mkdocs
+wcwidth==0.6.0
+    # via mdformat-tables
 zensical==0.0.23
     # via python-backoff (pyproject.toml:docs)