diff --git a/lib/matplotlib/pyplot.py b/lib/matplotlib/pyplot.py
index 026be7ae90cf..e436fe3d9065 100644
--- a/lib/matplotlib/pyplot.py
+++ b/lib/matplotlib/pyplot.py
@@ -35,13 +35,106 @@
 implicit and explicit interfaces.
 """
 
-# fmt: off
-
 from __future__ import annotations
 
+__all__ = [
+    "Annotation",
+    "Arrow",
+    "Artist",
+    "AutoLocator",
+    "Axes",
+    "Circle",
+    "Figure",
+    "FixedFormatter",
+    "FixedLocator",
+    "FormatStrFormatter",
+    "Formatter",
+    "FuncFormatter",
+    "GridSpec",
+    "IndexLocator",
+    "Line2D",
+    "LinearLocator",
+    "Locator",
+    "LogFormatter",
+    "LogFormatterExponent",
+    "LogFormatterMathtext",
+    "LogLocator",
+    "MaxNLocator",
+    "MultipleLocator",
+    "Normalize",
+    "NullFormatter",
+    "NullLocator",
+    "PolarAxes",
+    "Polygon",
+    "Rectangle",
+    "ScalarFormatter",
+    "Subplot",
+    "Text",
+    "draw_all",
+    "findobj",
+    "switch_backend",
+    "show",
+    "isinteractive",
+    "ion",
+    "ioff",
+    "pause",
+    "rc_context",
+    "gci",
+    "setp",
+    "xkcd",
+    "figure",
+    "gcf",
+    "fignum_exists",
+    "get_fignums",
+    "get_figlabels",
+    "connect",
+    "disconnect",
+    "close",
+    "clf",
+    "draw",
+    "savefig",
+    "ginput",
+    "waitforbuttonpress",
+    "figtext",
+    "suptitle",
+    "figimage",
+    "figlegend",
+    "axes",
+    "delaxes",
+    "sca",
+    "gca",
+    "subplot",
+    "subplot2grid",
+    "twinx",
+    "twiny",
+    "subplots_adjust",
+    "subplot_tool",
+    "tight_layout",
+    "box",
+    "xlim",
+    "ylim",
+    "xticks",
+    "yticks",
+    "rgrids",
+    "thetagrids",
+    "get_plot_commands",
+    "colormaps",
+    "color_sequences",
+    "colorbar",
+    "clim",
+    "set_cmap",
+    "imread",
+    "imsave",
+    "matshow",
+    "polar",
+]  # further expanded below with autogenerated functions
+
+# fmt: off
+
 from contextlib import ExitStack
 from enum import Enum
 import functools
+
 import importlib
 import inspect
 import logging
@@ -4280,3 +4373,27 @@ def nipy_spectral():
     image if there is one. See ``help(colormaps)`` for more information.
     """
     set_cmap("nipy_spectral")
+
+__all__ += [
+    "acorr", "angle_spectrum", "annotate", "arrow", "autoscale",
+    "axhline", "axhspan", "axis", "axline", "axvline", "axvspan", "bar",
+    "barbs", "barh", "bar_label", "boxplot", "broken_barh", "clabel",
+    "cohere", "contour", "contourf", "csd", "errorbar", "eventplot",
+    "fill", "fill_between", "fill_betweenx", "grid", "hexbin", "hist",
+    "stairs", "hist2d", "hlines", "imshow", "legend", "locator_params",
+    "loglog", "magnitude_spectrum", "margins", "minorticks_off",
+    "minorticks_on", "pcolor", "pcolormesh", "phase_spectrum", "pie",
+    "plot", "plot_date", "psd", "quiver", "quiverkey", "scatter",
+    "semilogx", "semilogy", "specgram", "spy", "stackplot", "stem",
+    "step", "streamplot", "table", "text", "tick_params",
+    "ticklabel_format", "tricontour", "tricontourf", "tripcolor",
+    "triplot", "violinplot", "vlines", "xcorr", "sci", "title", "xlabel",
+    "ylabel", "xscale", "yscale", "figimage", "figtext", "gca", "gci",
+    "ginput", "subplots_adjust", "suptitle", "tight_layout",
+    "waitforbuttonpress", "contour", "contourf", "hexbin", "scatter",
+    "pcolor", "pcolormesh", "hist2d", "imshow", "spy", "quiver",
+    "specgram", "streamplot", "tricontour", "tricontourf", "tripcolor",
+    "autumn", "bone", "cool", "copper", "flag", "gray", "hot", "hsv",
+    "jet", "pink", "prism", "spring", "summer", "winter", "magma",
+    "inferno", "plasma", "viridis", "nipy_spectral"
+]
diff --git a/tools/boilerplate.py b/tools/boilerplate.py
index e3b4809d96b3..261de25ac55f 100644
--- a/tools/boilerplate.py
+++ b/tools/boilerplate.py
@@ -18,9 +18,11 @@
 import functools
 import inspect
 from inspect import Parameter
+import itertools
 from pathlib import Path
 import sys
 import subprocess
+import textwrap
 
 
 # This line imports the installed copy of matplotlib, and not the local copy.
@@ -371,6 +373,23 @@ def boilerplate_gen():
         yield AUTOGEN_MSG
         yield CMAP_TEMPLATE.format(name=name)
 
+    # extend __all__
+    all_text_wrapper = textwrap.TextWrapper(
+        break_long_words=False, width=74,
+        initial_indent=' ' * 4, subsequent_indent=' ' * 4)
+
+    all_additions = all_text_wrapper.fill(
+        ', '.join([
+            '"%s"' % funcname.split(':', 1)[0]
+            for funcname in itertools.chain(
+                _axes_commands, _figure_commands, cmappable, cmaps
+            )
+        ])
+    )
+
+    yield '\n'
+    yield f'__all__ += [\n{all_additions}\n]\n'
+
 
 def build_pyplot(pyplot_path):
     pyplot_orig = pyplot_path.read_text().splitlines(keepends=True)