diff --git a/.gitignore b/.gitignore
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,8 @@
 /conf/local/local.json
 /conf/local/ENVIRONMENT
 /conf/local/VERSION
+/conf/local/HOSTKEY
+/conf/local/HOSTID
 
 # Impact Font
 /resources/font/impact.ttf
diff --git a/bin/almanac b/bin/almanac
new file mode 120000
--- /dev/null
+++ b/bin/almanac
@@ -0,0 +1 @@
+../scripts/almanac/manage_almanac.php
\ No newline at end of file
diff --git a/resources/sql/autopatches/20140902.almanacauthorizedhost.1.sql b/resources/sql/autopatches/20140902.almanacauthorizedhost.1.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20140902.almanacauthorizedhost.1.sql
@@ -0,0 +1,6 @@
+CREATE TABLE {$NAMESPACE}_almanac.almanac_authorizedhost (
+  id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  publicKey LONGTEXT NOT NULL,
+  dateCreated INT UNSIGNED NOT NULL,
+  dateModified INT UNSIGNED NOT NULL
+) ENGINE=InnoDB, COLLATE utf8_general_ci;
diff --git a/scripts/almanac/manage_almanac.php b/scripts/almanac/manage_almanac.php
new file mode 100755
--- /dev/null
+++ b/scripts/almanac/manage_almanac.php
@@ -0,0 +1,21 @@
+#!/usr/bin/env php
+<?php
+
+$root = dirname(dirname(dirname(__FILE__)));
+require_once $root.'/scripts/__init_script__.php';
+
+$args = new PhutilArgumentParser($argv);
+$args->setTagline('manage host directory');
+$args->setSynopsis(<<<EOSYNOPSIS
+**almanac** __commmand__ [__options__]
+    Manage Almanac stuff. NEW AND EXPERIMENTAL.
+
+EOSYNOPSIS
+);
+$args->parseStandardArguments();
+
+$workflows = id(new PhutilSymbolLoader())
+  ->setAncestorClass('AlmanacManagementWorkflow')
+  ->loadObjects();
+$workflows[] = new PhutilHelpArgumentWorkflow();
+$args->parseWorkflows($workflows);
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -9,6 +9,10 @@
 phutil_register_library_map(array(
   '__library_version__' => 2,
   'class' => array(
+    'AlmanacAuthorizedHost' => 'applications/almanac/storage/AlmanacAuthorizedHost.php',
+    'AlmanacDAO' => 'applications/almanac/storage/AlmanacDAO.php',
+    'AlmanacManagementRegisterWorkflow' => 'applications/almanac/management/AlmanacManagementRegisterWorkflow.php',
+    'AlmanacManagementWorkflow' => 'applications/almanac/management/AlmanacManagementWorkflow.php',
     'Aphront304Response' => 'aphront/response/Aphront304Response.php',
     'Aphront400Response' => 'aphront/response/Aphront400Response.php',
     'Aphront403Response' => 'aphront/response/Aphront403Response.php',
@@ -1091,6 +1095,7 @@
     'PhabricatorActionListView' => 'view/layout/PhabricatorActionListView.php',
     'PhabricatorActionView' => 'view/layout/PhabricatorActionView.php',
     'PhabricatorAllCapsTranslation' => 'infrastructure/internationalization/translation/PhabricatorAllCapsTranslation.php',
+    'PhabricatorAlmanacApplication' => 'applications/almanac/application/PhabricatorAlmanacApplication.php',
     'PhabricatorAmazonAuthProvider' => 'applications/auth/provider/PhabricatorAmazonAuthProvider.php',
     'PhabricatorAnchorView' => 'view/layout/PhabricatorAnchorView.php',
     'PhabricatorAphlictManagementBuildWorkflow' => 'applications/aphlict/management/PhabricatorAphlictManagementBuildWorkflow.php',
@@ -2778,6 +2783,10 @@
     'require_celerity_resource' => 'infrastructure/celerity/api.php',
   ),
   'xmap' => array(
+    'AlmanacAuthorizedHost' => 'AlmanacDAO',
+    'AlmanacDAO' => 'PhabricatorLiskDAO',
+    'AlmanacManagementRegisterWorkflow' => 'AlmanacManagementWorkflow',
+    'AlmanacManagementWorkflow' => 'PhabricatorManagementWorkflow',
     'Aphront304Response' => 'AphrontResponse',
     'Aphront400Response' => 'AphrontResponse',
     'Aphront403Response' => 'AphrontHTMLResponse',
@@ -3912,6 +3921,7 @@
     'PhabricatorActionListView' => 'AphrontView',
     'PhabricatorActionView' => 'AphrontView',
     'PhabricatorAllCapsTranslation' => 'PhabricatorTranslation',
+    'PhabricatorAlmanacApplication' => 'PhabricatorApplication',
     'PhabricatorAmazonAuthProvider' => 'PhabricatorOAuth2AuthProvider',
     'PhabricatorAnchorView' => 'AphrontView',
     'PhabricatorAphlictManagementBuildWorkflow' => 'PhabricatorAphlictManagementWorkflow',
diff --git a/src/applications/almanac/application/PhabricatorAlmanacApplication.php b/src/applications/almanac/application/PhabricatorAlmanacApplication.php
new file mode 100644
--- /dev/null
+++ b/src/applications/almanac/application/PhabricatorAlmanacApplication.php
@@ -0,0 +1,41 @@
+<?php
+
+final class PhabricatorAlmanacApplication extends PhabricatorApplication {
+
+  public function getBaseURI() {
+    return '/almanac/';
+  }
+
+  public function getName() {
+    return pht('Almanac');
+  }
+
+  public function getShortDescription() {
+    return pht('Service Directory');
+  }
+
+  public function getIconName() {
+    return 'almanac';
+  }
+
+  public function getTitleGlyph() {
+    return "\xE2\x98\x82";
+  }
+
+  public function getApplicationGroup() {
+    return self::GROUP_UTILITIES;
+  }
+
+  public function isBeta() {
+    return true;
+  }
+
+  public function isLaunchable() {
+    return false;
+  }
+
+  public function getRoutes() {
+    return array();
+  }
+
+}
diff --git a/src/applications/almanac/management/AlmanacManagementRegisterWorkflow.php b/src/applications/almanac/management/AlmanacManagementRegisterWorkflow.php
new file mode 100644
--- /dev/null
+++ b/src/applications/almanac/management/AlmanacManagementRegisterWorkflow.php
@@ -0,0 +1,51 @@
+<?php
+
+final class AlmanacManagementRegisterWorkflow
+  extends AlmanacManagementWorkflow {
+
+  public function didConstruct() {
+    $this
+      ->setName('register')
+      ->setSynopsis('Register this host for authorized Conduit access.')
+      ->setArguments(array());
+  }
+
+  public function execute(PhutilArgumentParser $args) {
+    $console = PhutilConsole::getConsole();
+
+    if (Filesystem::pathExists($this->getHostPrivateKeyPath())) {
+      throw new Exception(
+        'This host already has a private key for Conduit access.');
+    }
+
+    $pair = PhabricatorSSHKeyGenerator::generateKeypair();
+    list($public_key, $private_key) = $pair;
+
+    $host = id(new AlmanacAuthorizedHost())
+      ->setPublicKey($public_key)
+      ->save();
+
+    Filesystem::writeFile(
+      $this->getHostPrivateKeyPath(),
+      $private_key);
+
+    Filesystem::writeFile(
+      $this->getHostIDPath(),
+      $host->getID());
+
+    $console->writeOut("Registered as authorized host %d.\n", $host->getID());
+  }
+
+  private function getHostPrivateKeyPath() {
+    $root = dirname(phutil_get_library_root('phabricator'));
+    $path = $root.'/conf/local/HOSTKEY';
+    return $path;
+  }
+
+  private function getHostIDPath() {
+    $root = dirname(phutil_get_library_root('phabricator'));
+    $path = $root.'/conf/local/HOSTID';
+    return $path;
+  }
+
+}
diff --git a/src/applications/almanac/management/AlmanacManagementWorkflow.php b/src/applications/almanac/management/AlmanacManagementWorkflow.php
new file mode 100644
--- /dev/null
+++ b/src/applications/almanac/management/AlmanacManagementWorkflow.php
@@ -0,0 +1,6 @@
+<?php
+
+abstract class AlmanacManagementWorkflow
+  extends PhabricatorManagementWorkflow {
+
+}
diff --git a/src/applications/almanac/storage/AlmanacAuthorizedHost.php b/src/applications/almanac/storage/AlmanacAuthorizedHost.php
new file mode 100644
--- /dev/null
+++ b/src/applications/almanac/storage/AlmanacAuthorizedHost.php
@@ -0,0 +1,7 @@
+<?php
+
+final class AlmanacAuthorizedHost extends AlmanacDAO {
+
+  protected $publicKey;
+
+}
diff --git a/src/applications/almanac/storage/AlmanacDAO.php b/src/applications/almanac/storage/AlmanacDAO.php
new file mode 100644
--- /dev/null
+++ b/src/applications/almanac/storage/AlmanacDAO.php
@@ -0,0 +1,9 @@
+<?php
+
+abstract class AlmanacDAO extends PhabricatorLiskDAO {
+
+  public function getApplicationName() {
+    return 'almanac';
+  }
+
+}
diff --git a/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php b/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php
--- a/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php
+++ b/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php
@@ -119,6 +119,7 @@
       'db.phragment' => array(),
       'db.dashboard' => array(),
       'db.system' => array(),
+      'db.almanac' => array(),
       '0000.legacy.sql' => array(
         'legacy' => 0,
       ),