diff --git a/test/functional/rpc_help.py b/test/functional/rpc_help.py
index 2cb846e17..6203ead50 100755
--- a/test/functional/rpc_help.py
+++ b/test/functional/rpc_help.py
@@ -1,44 +1,61 @@
 #!/usr/bin/env python3
 # Copyright (c) 2018 The Bitcoin Core developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 """Test RPC help output."""
 
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import assert_equal, assert_raises_rpc_error
 
+import os
+
 
 class HelpRpcTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 1
 
     def run_test(self):
+        self.test_categories()
+        self.dump_help()
+
+    def test_categories(self):
         node = self.nodes[0]
 
         # wrong argument count
         assert_raises_rpc_error(-1, 'help', node.help, 'foo', 'bar')
 
         # invalid argument
         assert_raises_rpc_error(-1,
                                 'JSON value is not a string as expected', node.help, 0)
 
         # help of unknown command
         assert_equal(node.help('foo'), 'help: unknown command: foo')
 
         # command titles
         titles = [line[3:-3]
                   for line in node.help().splitlines() if line.startswith('==')]
         components = ['Avalanche', 'Blockchain', 'Control', 'Generating',
                       'Mining', 'Network', 'Rawtransactions', 'Util']
 
         if self.is_wallet_compiled():
             components.append('Wallet')
 
         if self.is_zmq_compiled():
             components.append('Zmq')
 
         assert_equal(titles, components)
 
+    def dump_help(self):
+        dump_dir = os.path.join(self.options.tmpdir, 'rpc_help_dump')
+        os.mkdir(dump_dir)
+        calls = [line.split(' ', 1)[0] for line in self.nodes[0].help(
+        ).splitlines() if line and not line.startswith('==')]
+        for call in calls:
+            with open(os.path.join(dump_dir, call), 'w', encoding='utf-8') as f:
+                # Make sure the node can generate the help at runtime without
+                # crashing
+                f.write(self.nodes[0].help(call))
+
 
 if __name__ == '__main__':
     HelpRpcTest().main()