diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..6320bec
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,32 @@
+ci:
+  autoupdate_schedule: quarterly
+  autofix_prs: false
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      # Validate format
+      - id: check-yaml
+      - id: check-toml
+      - id: check-json
+      # Check for common mistakes
+      - id: check-added-large-files
+      - id: check-case-conflict
+      # - id: check-illegal-windows-names # TODO: Enable in next release
+      - id: check-merge-conflict
+      - id: check-executables-have-shebangs
+      - id: check-shebang-scripts-are-executable
+      - id: check-symlinks
+      - id: check-vcs-permalinks
+      - id: destroyed-symlinks
+      - id: detect-private-key
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+      - id: no-commit-to-branch # protects `main` by default
+      - id: trailing-whitespace
+
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.4.1
+    hooks:
+      - id: codespell
diff --git a/agu2025.md b/agu2025.md
new file mode 100644
index 0000000..c8ceb36
--- /dev/null
+++ b/agu2025.md
@@ -0,0 +1,11 @@
+---
+title: "AGU 2025"
+---
+
+Our workshop at AGU is titled **Open Source Geospatial Workflows in the Cloud: Learn
+about Tools and Techniques for Data Access, Analysis, Visualization, Storytelling, and
+Sharing in the Python and Jupyter ecosystem**.
+
+[Visit our workshop website](https://agu2025.workshops.geojupyter.org/) for more details!
+
+Please also [view more details about our participation in AGU 2025](https://events.geojupyter.org/conferences/2025-agu/).
diff --git a/myst.yml b/myst.yml
index 99b0cc0..e51f188 100644
--- a/myst.yml
+++ b/myst.yml
@@ -9,10 +9,10 @@ project:
   exclude:
     - "_*"
     - "README.md"
-  # toc:
-  #   - file: "index.md"
-  #   # TODO: Use URL entries instead, once supported
-  #   # https://github.com/jupyter-book/mystmd/issues/1445
+  toc:
+    - file: "index.md"
+    - file: "agu2025.md"
+    - file: "csdms2025.md"
 
 site:
   template: "book-theme"