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diff --git a/scripts/template_verifier.py b/scripts/template_verifier.py
new file mode 100755
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+++ b/scripts/template_verifier.py
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+#!/usr/bin/python
+# @file template_verifier.py
+# @brief Message template compatibility verifier.
+#
+# Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+# $License$
+
+"""template_verifier is a script which will compare the
+current repository message template with the "master" message template, accessible
+via http://secondlife.com/app/message_template/master_message_template.msg
+If [FILE] is specified, it will be checked against the master template.
+If [FILE] [FILE] is specified, two local files will be checked against
+each other.
+"""
+
+from os.path import realpath, dirname, join, exists
+setup_path = join(dirname(realpath(__file__)), "setup-path.py")
+if exists(setup_path):
+    execfile(setup_path)
+import optparse
+import os
+import sys
+import urllib
+
+from indra import compatibility
+from indra import llmessage
+
+def die(msg):
+    print >>sys.stderr, msg
+    sys.exit(1)
+
+MESSAGE_TEMPLATE = 'message_template.msg'
+
+PRODUCTION_ACCEPTABLE = (compatibility.Same, compatibility.Newer)
+DEVELOPMENT_ACCEPTABLE = (
+    compatibility.Same, compatibility.Newer,
+    compatibility.Older, compatibility.Mixed)	
+
+def getstatusall(command):
+    """ Like commands.getstatusoutput, but returns stdout and 
+    stderr separately(to get around "killed by signal 15" getting 
+    included as part of the file).  Also, works on Windows."""
+    (input, out, err) = os.popen3(command, 't')
+    input.close() # send no input to the command
+    output = out.read()
+    error = err.read()
+    out.close()
+    status = err.close() # the status comes from the *last* pipe you close
+    return status, output, error
+
+def getstatusoutput(command):
+    status, output, error = getstatusall(command)
+    return status, output
+
+def compare(base, current, mode):
+    """Compare the current template against the base template using the given
+    'mode' strictness:
+
+    development: Allows Same, Newer, Older, and Mixed
+    production: Allows only Same or Newer
+
+    Print out information about whether the current template is compatible
+    with the base template.
+
+    Returns a tuple of (bool, Compatibility)
+    Return True if they are compatible in this mode, False if not.
+    """
+    base = llmessage.parseTemplateString(base)
+    current = llmessage.parseTemplateString(current)
+
+    compat = current.compatibleWithBase(base)
+    if mode == 'production':
+        acceptable = PRODUCTION_ACCEPTABLE
+    else:
+        acceptable = DEVELOPMENT_ACCEPTABLE
+
+    if type(compat) in acceptable:
+        return True, compat
+    return False, compat
+
+def local_template_filename():
+    """Returns the message template's default location relative to template_verifier.py:
+    ./messages/message_template.msg."""
+    d = os.path.dirname(os.path.realpath(__file__))
+    return os.path.join(d, 'messages', MESSAGE_TEMPLATE)
+
+def run(sysargs):
+    parser = optparse.OptionParser(
+        usage="usage: %prog [FILE] [FILE]",
+        description=__doc__)
+    parser.add_option(
+        '-m', '--mode', type='string', dest='mode',
+        default='development',
+        help="""[development|production] The strictness mode to use
+while checking the template; see the wiki page for details about
+what is allowed and disallowed by each mode:
+http://wiki.secondlife.com/wiki/Template_verifier.py
+""")
+    parser.add_option(
+        '-u', '--master_url', type='string', dest='master_url',
+        default='http://secondlife.com/app/message_template/master_message_template.msg',
+        help="""The url of the master message template.""")
+
+    options, args = parser.parse_args(sysargs)
+
+    # both current and master supplied in positional params
+    if len(args) == 2:
+        master_filename, current_filename = args
+        print "base:", master_filename
+        print "current:", current_filename
+        master = file(master_filename).read()
+        current = file(current_filename).read()
+    # only current supplied in positional param
+    elif len(args) == 1:
+        master = None
+        current_filename = args[0]
+        print "base: <master template from repository>"
+        print "current:", current_filename
+        current = file(current_filename).read()
+    # nothing specified, use defaults for everything
+    elif len(args) == 0:
+        master = None
+        current = None
+    else:
+        die("Too many arguments")
+
+    # fetch the master from the url (default or supplied)
+    if master is None:
+        master = urllib.urlopen(options.master_url).read()
+
+    # fetch the template for this build
+    if current is None:
+        current_filename = local_template_filename()
+        print "base: <master template from repository>"
+        print "current:", current_filename
+        current = file(current_filename).read()
+
+    acceptable, compat = compare(
+        master, current, options.mode)
+
+    def explain(header, compat):
+        print header
+        # indent compatibility explanation
+        print '\n\t'.join(compat.explain().split('\n'))
+
+    if acceptable:
+        explain("--- PASS ---", compat)
+    else:
+        explain("*** FAIL ***", compat)
+        return 1
+
+if __name__ == '__main__':
+    sys.exit(run(sys.argv[1:]))
+
+