diff --git a/pyproject.toml b/pyproject.toml
index 6e844cc..5b04ab9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ dev = [
     "kaleido>=1.2.0",
     "mkdocs-shadcn@git+https://github.com/asiffer/mkdocs-shadcn@30-search-indexing-broken",
     "plotly>=6.4.0",
-    "pymdown-extensions>=10.16.1",
+    "pymdown-extensions>=10.21.3",
     "pytest-icdiff>=0.9",
 ]
 
diff --git a/uv.lock b/uv.lock
index 652c52c..dc6072e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -3577,7 +3577,10 @@ dependencies = [
     { name = "ipdb" },
     { name = "jinja2" },
     { name = "killport" },
+    { name = "mcp" },
+    { name = "pillow" },
     { name = "pip" },
+    { name = "playwright" },
     { name = "pyserini" },
     { name = "pytest" },
     { name = "python-fasthtml" },
@@ -3622,10 +3625,13 @@ requires-dist = [
     { name = "jupyter", marker = "extra == 'dev'", specifier = ">=1.1.1" },
     { name = "kaleido", marker = "extra == 'dev'", specifier = ">=1.2.0" },
     { name = "killport", specifier = ">=1.2.0" },
+    { name = "mcp", specifier = ">=1.9.0" },
     { name = "mkdocs-shadcn", marker = "extra == 'dev'", git = "https://github.com/asiffer/mkdocs-shadcn?rev=30-search-indexing-broken" },
+    { name = "pillow", specifier = ">=11" },
     { name = "pip" },
+    { name = "playwright", specifier = ">=1.44" },
     { name = "plotly", marker = "extra == 'dev'", specifier = ">=6.4.0" },
-    { name = "pymdown-extensions", marker = "extra == 'dev'", specifier = ">=10.16.1" },
+    { name = "pymdown-extensions", marker = "extra == 'dev'", specifier = ">=10.21.3" },
     { name = "pyserini", specifier = "==0.44.0" },
     { name = "pytest", specifier = ">=7.3.2" },
     { name = "pytest-icdiff", marker = "extra == 'dev'", specifier = ">=0.9" },
@@ -4445,15 +4451,15 @@ wheels = [
 
 [[package]]
 name = "pymdown-extensions"
-version = "10.16.1"
+version = "10.21.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "markdown" },
     { name = "pyyaml" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/55/b3/6d2b3f149bc5413b0a29761c2c5832d8ce904a1d7f621e86616d96f505cc/pymdown_extensions-10.16.1.tar.gz", hash = "sha256:aace82bcccba3efc03e25d584e6a22d27a8e17caa3f4dd9f207e49b787aa9a91", size = 853277, upload-time = "2025-07-28T16:19:34.167Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/9e/26/d1015444da4d952a1ca487a236b522eb979766f0295a0bd0c5fc089989a9/pymdown_extensions-10.21.3.tar.gz", hash = "sha256:72cfcf55f07aea0d4af2c4f11dd4e52466ddfb1bb819673146398e0bd3a77354", size = 854140, upload-time = "2026-05-13T12:57:32.267Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e4/06/43084e6cbd4b3bc0e80f6be743b2e79fbc6eed8de9ad8c629939fa55d972/pymdown_extensions-10.16.1-py3-none-any.whl", hash = "sha256:d6ba157a6c03146a7fb122b2b9a121300056384eafeec9c9f9e584adfdb2a32d", size = 266178, upload-time = "2025-07-28T16:19:31.401Z" },
+    { url = "https://files.pythonhosted.org/packages/7e/85/545a951eecc270fcd688288c600017e2050a1aacb56c711d208586d3e470/pymdown_extensions-10.21.3-py3-none-any.whl", hash = "sha256:d7a5d08014fc571e80ca21dd6f854e31f94c489800350564d55d15b3c41e76b6", size = 269002, upload-time = "2026-05-13T12:57:30.296Z" },
 ]
 
 [[package]]