diff --git a/sktm/scheduler.py b/sktm/scheduler.py
new file mode 100644
index 0000000..c4aff43
--- /dev/null
+++ b/sktm/scheduler.py
@@ -0,0 +1,152 @@
+# Copyright (c) 2017-2018 Red Hat, Inc. All rights reserved. This copyrighted
+# material is made available to anyone wishing to use, modify, copy, or
+# redistribute it subject to the terms and conditions of the GNU General
+# Public License v.2 or later.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+
+class DirectBuild(object):
+    """Direct test build"""
+
+    def __init__(self, baserepo=None, ref=None, baseconfig=None,
+                 message_id=None, subject=None, emails=set(),
+                 patch_url_list=[], makeopts=None):
+        """
+        Initialize a direct test build.
+
+        Args:
+            baserepo:       Baseline Git repo URL.
+            ref:            Baseline Git reference to test.
+            baseconfig:     Kernel configuration URL.
+            message_id:     Value of the "Message-Id" header of the e-mail
+                            message representing the patchset, or None if
+                            unknown.
+            subject:        Subject of the message representing the patchset,
+                            or None if unknown.
+            emails:         Set of e-mail addresses involved with the patchset
+                            to send notifications to.
+            patch_url_list: List of URLs pointing to patches to apply.
+            makeopts:       String of extra arguments to pass to the build's
+                            make invocation.
+        """
+
+
+class Direct(object):
+    """Direct test build scheduler"""
+
+    def __init__(self):
+        """
+        Initialize a Jenkins interface.
+        """
+        self.
+
+    def get_base_commitdate(self, buildid):
+        """
+        Get base commit's committer date of the specified completed build.
+        Wait for the build to complete, if it hasn't yet.
+
+        Args:
+            buildid:    Jenkins build ID.
+
+        Return:
+            The epoch timestamp string of the committer date.
+        """
+
+    def get_base_hash(self, buildid):
+        """
+        Get base commit's hash of the specified completed build.
+        Wait for the build to complete, if it hasn't yet.
+
+        Args:
+            buildid:    Jenkins build ID.
+
+        Return:
+            The base commit's hash string.
+        """
+
+    def get_patch_url_list(self, buildid):
+        """
+        Get the list of Patchwork patch URLs for the specified completed
+        build. Wait for the build to complete, if it hasn't yet.
+
+        Args:
+            buildid:    Jenkins build ID.
+
+        Return:
+            The list of Patchwork patch URLs.
+        """
+
+    def get_result_url(self, buildid):
+        """
+        Get the URL of the web representation of the specified build.
+
+        Args:
+            buildid:    Jenkins build ID.
+
+        Result:
+            The URL of the build result.
+        """
+
+    def get_result(self, buildid):
+        """
+        Get result code (sktm.misc.tresult) for the specified build.
+        Wait for the build to complete, if it hasn't yet.
+
+        Args:
+            buildid:    Jenkins build ID.
+
+        Result:
+            The build result code (sktm.misc.tresult).
+        """
+
+    def build(self, baserepo=None, ref=None, baseconfig=None,
+              message_id=None, subject=None, emails=set(), patch_url_list=[],
+              makeopts=None):
+        """
+        Submit a build of a patchset.
+
+        Args:
+            baserepo:       Baseline Git repo URL.
+            ref:            Baseline Git reference to test.
+            baseconfig:     Kernel configuration URL.
+            message_id:     Value of the "Message-Id" header of the e-mail
+                            message representing the patchset, or None if
+                            unknown.
+            subject:        Subject of the message representing the patchset,
+                            or None if unknown.
+            emails:         Set of e-mail addresses involved with the patchset
+                            to send notifications to.
+            patch_url_list: List of URLs pointing to patches to apply.
+            makeopts:       String of extra arguments to pass to the build's
+                            make invocation.
+
+        Returns:
+            Submitted build number.
+        """
+        job = DirectJob(baserepo=baserepo, ref=ref,
+                        baseconfig=baseconfig,
+                        message_id=message_id, subject=subject, emails=emails,
+                        patch_url_list=patch_url_list,
+                        makeopts=makeopts)
+        pid = job.get_pid()
+        self.job_map[pid] = job
+        return pid
+
+    def is_build_complete(self, buildid):
+        """
+        Check if a project build is still running.
+
+        Args:
+            buildid:    Jenkins build ID to get the status of.
+
+        Return:
+            True if the build is still running.
+        """