diff --git a/Tools/scripts/build_parameters.sh b/Tools/scripts/build_parameters.sh
index 5db5be78e2..7c6a3fc3ee 100755
--- a/Tools/scripts/build_parameters.sh
+++ b/Tools/scripts/build_parameters.sh
@@ -14,3 +14,15 @@ cmp Parameters.wiki ../APM.wiki/APM_Parameters.wiki || {
 }
 /bin/mkdir -p ../buildlogs/Parameters
 /bin/cp Parameters.wiki *.pdef.xml ../buildlogs/Parameters/
+
+[ -d $HOME/WP_Auth ] && {
+    # now upload to WordPress
+    ./Tools/autotest/param_metadata/param_parse.py --vehicle ArduPlane
+    ./Tools/scripts/update_wiki.py --url http://plane.ardupilot.com $(cat $HOME/WP_Auth/copter.auth) --post-title='ArduPlane Parameters' Parameters.html
+
+    ./Tools/autotest/param_metadata/param_parse.py --vehicle ArduCopter
+    ./Tools/scripts/update_wiki.py --url http://copter.ardupilot.com $(cat $HOME/WP_Auth/copter.auth) --post-title='ArduCopter Parameters' Parameters.html
+
+    ./Tools/autotest/param_metadata/param_parse.py --vehicle APMrover2
+    ./Tools/scripts/update_wiki.py --url http://rover.ardupilot.com $(cat $HOME/WP_Auth/rover.auth) --post-title='APMrover2 Parameters' Parameters.html
+}
diff --git a/Tools/scripts/update_wiki.py b/Tools/scripts/update_wiki.py
new file mode 100755
index 0000000000..2cb8fd77a4
--- /dev/null
+++ b/Tools/scripts/update_wiki.py
@@ -0,0 +1,91 @@
+#!/usr/bin/env python
+'''
+update a wordpress wiki page
+Andrew Tridgell
+May 2013
+
+See http://codex.wordpress.org/XML-RPC_WordPress_API/Posts
+'''
+
+import xmlrpclib, sys
+
+from optparse import OptionParser
+parser = OptionParser("update_wiki.py [options] <file>")
+parser.add_option("--username", help="Wordpress username", default=None)
+parser.add_option("--password", help="Wordpress password", default=None)
+parser.add_option("--url", help="Wordpress URL", default=None)
+parser.add_option("--post-title", help="title of page", default=None)
+parser.add_option("--post-id", help="ID of page", default=None)
+parser.add_option("--blog-id", help="ID of wiki", default='')
+parser.add_option("--list", action='store_true', help="list titles", default=False)
+
+(opts, args) = parser.parse_args()
+
+if opts.url is None:
+    print("You must supply a base URL for the wordpress site")
+    sys.exit(1)
+
+if opts.username is None or opts.password is None:
+    print("You must supply a username and password")
+    sys.exit(1)
+
+if len(args) == 0 and not opts.list:
+    print("You must supply a filename containing the content to load")
+    sys.exit(1)
+
+server = xmlrpclib.ServerProxy(opts.url + '/xmlrpc.php')
+
+def list_posts():
+    '''list posts'''
+    posts = server.wp.getPosts(opts.blog_id, opts.username, opts.password,
+                               { 'post_type' : 'wiki', 'number' : 1000000 },
+                               [ 'post_title', 'post_id' ])
+    for p in posts:
+        try:
+            print('post_id=%s post_title="%s"' % (p['post_id'], p['post_title']))
+        except Exception:
+            pass
+
+def find_post_by_title(title):
+    '''find a post given the title'''
+    posts = server.wp.getPosts(opts.blog_id, opts.username, opts.password,
+                               { 'post_type' : 'wiki', 'number' : 1000000 },
+                               [ 'post_title', 'post_id' ])
+    for p in posts:
+        if p['post_title'] == title:
+            return p['post_id']
+    return None
+
+if opts.list:
+    list_posts()
+    sys.exit(0)
+
+if opts.post_title is None and opts.post_id is None:
+    print("You must supply a post_title or post_id")
+    sys.exit(1)
+
+post_id = opts.post_id
+
+if post_id is None:
+    post_id = find_post_by_title(opts.post_title)
+    if post_id is None:
+        print('Failed to find post_title "%s"' % opts.post_title)
+        sys.exit(1)
+
+file = open(args[0])
+content = file.read()
+file.close()
+
+print("Fetching existing content")
+post = server.wp.getPost(opts.blog_id, opts.username, opts.password, post_id)
+if str(post['post_content']).strip() == str(content).strip():
+    print("Content unchanged")
+    sys.exit(0)
+
+print("Uploading new post_content")
+r = server.wp.editPost(opts.blog_id, opts.username, opts.password, post_id, { 'post_content' : content })
+if r == True:
+    print("Upload OK")
+    sys.exit(0)
+print 'result: ', r
+sys.exit(1)