diff --git a/doc/conf.py b/doc/conf.py
index 3759d6fe335..99e7a2326bd 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -17,6 +17,7 @@
 import matplotlib
 import pyvista
 import sphinx
+from intersphinx_registry import get_intersphinx_mapping
 from numpydoc import docscrape
 from sphinx.config import is_serializable
 from sphinx.domains.changeset import versionlabels
@@ -153,32 +154,25 @@
 # -- Intersphinx configuration -----------------------------------------------
 
 intersphinx_mapping = {
-    "python": ("https://docs.python.org/3", None),
-    "numpy": ("https://numpy.org/doc/stable", None),
-    "scipy": ("https://docs.scipy.org/doc/scipy", None),
-    "matplotlib": ("https://matplotlib.org/stable", None),
-    "sklearn": ("https://scikit-learn.org/stable", None),
-    "numba": ("https://numba.readthedocs.io/en/latest", None),
-    "joblib": ("https://joblib.readthedocs.io/en/latest", None),
-    "nibabel": ("https://nipy.org/nibabel", None),
-    "nilearn": ("http://nilearn.github.io/stable", None),
+    # More niche so didn't upstream to intersphinx_registry
     "nitime": ("https://nipy.org/nitime/", None),
-    "surfer": ("https://pysurfer.github.io/", None),
     "mne_bids": ("https://mne.tools/mne-bids/stable", None),
     "mne-connectivity": ("https://mne.tools/mne-connectivity/stable", None),
     "mne-gui-addons": ("https://mne.tools/mne-gui-addons", None),
-    "pandas": ("https://pandas.pydata.org/pandas-docs/stable", None),
-    "seaborn": ("https://seaborn.pydata.org/", None),
-    "statsmodels": ("https://www.statsmodels.org/dev", None),
-    "patsy": ("https://patsy.readthedocs.io/en/latest", None),
-    "pyvista": ("https://docs.pyvista.org/version/stable", None),
-    "imageio": ("https://imageio.readthedocs.io/en/latest", None),
     "picard": ("https://pierreablin.github.io/picard/", None),
     "eeglabio": ("https://eeglabio.readthedocs.io/en/latest", None),
-    "dipy": ("https://docs.dipy.org/stable", None),
     "pybv": ("https://pybv.readthedocs.io/en/latest/", None),
-    "pyqtgraph": ("https://pyqtgraph.readthedocs.io/en/latest/", None),
 }
+intersphinx_mapping.update(
+    get_intersphinx_mapping(
+        only=set(
+            """
+imageio matplotlib numpy pandas python scipy statsmodels sklearn numba joblib nibabel
+seaborn patsy pyvista dipy nilearn pyqtgraph
+""".strip().split()
+        ),
+    )
+)
 
 
 # NumPyDoc configuration -----------------------------------------------------
diff --git a/mne/viz/_brain/_brain.py b/mne/viz/_brain/_brain.py
index 95ae75dc8d8..8691bffcfb8 100644
--- a/mne/viz/_brain/_brain.py
+++ b/mne/viz/_brain/_brain.py
@@ -1768,16 +1768,14 @@ def add_data(
     ):
         """Display data from a numpy array on the surface or volume.
 
-        This provides a similar interface to
-        :meth:`surfer.Brain.add_overlay`, but it displays
+        This provides a similar interface to PySurfer, but it displays
         it with a single colormap. It offers more flexibility over the
         colormap, and provides a way to display four-dimensional data
         (i.e., a timecourse) or five-dimensional data (i.e., a
         vector-valued timecourse).
 
         .. note:: ``fmin`` sets the low end of the colormap, and is separate
-                  from thresh (this is a different convention from
-                  :meth:`surfer.Brain.add_overlay`).
+                  from thresh (this is a different convention from PySurfer).
 
         Parameters
         ----------
diff --git a/pyproject.toml b/pyproject.toml
index 00bfa549de1..78615dc5568 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -165,6 +165,7 @@ doc = [
     "pyzmq!=24.0.0",
     "ipython!=8.7.0",
     "selenium",
+    "intersphinx_registry",
 ]
 dev = ["mne[test,doc]", "rcssmin"]