diff --git a/mhapi/model.py b/mhapi/model.py
index 0e568c8..5cab3f9 100644
--- a/mhapi/model.py
+++ b/mhapi/model.py
@@ -664,7 +664,8 @@ class ItemStars(object):
         if stars is not None:
             return stars
 
-        stars = dict(Village=None, Guild=None, Permit=None, Arena=None)
+        stars = dict(Village=None, Guild=None, Permit=None, Arena=None,
+                     Event=None)
         costs = get_costs(self.db, weapon)
         # find least 'expensive' path
         for c in costs:
@@ -679,7 +680,7 @@ class ItemStars(object):
 
     def _get_component_stars(self, c):
         # need to track unititialized vs unavailable
-        stars = dict(Village=0, Guild=0, Permit=0, Arena=0)
+        stars = dict(Village=0, Guild=0, Permit=0, Arena=0, Event=0)
         for item_name in c["components"].keys():
             item = self.db.get_item_by_name(item_name)
             if item.type == "Materials":
@@ -716,7 +717,8 @@ class ItemStars(object):
         if stars is not None:
             return stars
 
-        stars = dict(Village=None, Guild=None, Permit=None, Arena=None)
+        stars = dict(Village=None, Guild=None, Permit=None, Arena=None,
+                     Event=None)
         rows = self.db.get_material_items(material_item_id)
         for row in rows:
             item = self.db.get_item(row["item_id"])
@@ -732,7 +734,8 @@ class ItemStars(object):
         if stars is not None:
             return stars
 
-        stars = dict(Village=None, Guild=None, Permit=None, Arena=None)
+        stars = dict(Village=None, Guild=None, Permit=None, Arena=None,
+                     Event=None)
 
         quests = self.db.get_item_quests(item_id)
 
@@ -754,6 +757,9 @@ class ItemStars(object):
 
         # find least expensive quest for getting the item
         for quest in quests:
+            if quest.hub == "Caravan":
+                # For mh4u, map Caravan->Village
+                quest.hub = "Village"
             if quest.stars == 0:
                 # ignore training quests
                 if "Training" not in quest.name:
diff --git a/web/index.html b/web/index.html
index d864077..ed2ba45 100644
--- a/web/index.html
+++ b/web/index.html
@@ -44,20 +44,20 @@
   </style>
 </head>
 <body>
-<form action="recommends.html" method="GET">
+<form action="mh4u/recommends.html" method="GET">
  <fieldset>
   <legend title="Find the best quests and armor skills for farming an item."
-        >Poogie Recommends</legend>
+        >Poogie Recommends (4U)</legend>
   <label for="item">Item:</label>
   <input id="item" name="item" type="text" size="20" />
   <input type="submit" value="Ask Poogie" />
   <p></p>
  </fieldset>
 </form>
-<form action="weaponplanner.html" method="GET">
+<form action="mh4u/weaponplanner.html" method="GET">
  <fieldset>
   <legend title="Compare the cost of making a weapon from different starting points in the tree"
-    >Poogie's Weapon Planner</legend>
+    >Poogie's Weapon Planner (4U)</legend>
   <table>
   <tr>
     <td><label for="type">Type:</label></td>
@@ -84,16 +84,40 @@
     <td><input id="weapon" name="weapon" weapon="text" size="20" />
     <input type="submit" value="Ask Poogie" /></td>
   </tr>
+  <tr><td colspan="2">Weapon Search:
+      (<a href="mh4u/weaponlist.html">MH4U</a>,
+       <a href="mhx/weaponlist.html">MHX</a>,
+       <a href="mhgen/weaponlist.html">MHGen</a>,
+       <a href="mhgu/weaponlist.html">MHGU</a>)</td></tr>
   </table>
  </fieldset>
 </form>
  <fieldset>
-  <legend title="Plan armor sets">Poogie Outfitters</legend>
-  <a href="outfitters.html">Armor set planner</a>
+  <legend title="Plan armor sets">Poogie Outfitters (4U)</legend>
+  <a href="mh4u/outfitters.html">Armor set planner</a>
  </fieldset>
  <br />
  <fieldset>
-  <legend title="Mobile friendly translation guide">Poogie トランスレーター</legend>
-  <a href="translate/">English to Japanese translation guide</a>
+  <legend title="Mobile friendly translation guide">Poogie トランスレーター (MHX)</legend>
+  <a href="translate/">English to Japanese translation guide</a> (mobile friendly)
  </fieldset>
+
+<h2>Acknowledgements</h2>
+Data is primary from the excellent 4U and Gen android apps:
+<ul>
+<li><a href="https://github.com/kamegami13/MonsterHunter4UDatabase">MonsterHunter4UDatabase</a></li>
+<li><a href="https://github.com/gatheringhallstudios/MHGenDatabase">MHGenDatabase</a></li>
+</ul>
+
+Also sourced for MHX translation and weapon data:
+<ul>
+<li><a href="http://monsterhunter.wikia.com/wiki/MHX"
+       >Monster Hunter X Wiki (Wikia)</a></li>
+<li><a href="http://wiki.mhxg.org/"
+       >http://wiki.mhxg.org/</a></li>
+</ul>
+
+<hr />
+If you find errors or have suggestions, email poogie at mhapi.info,
+or contact <a href="https://www.reddit.com/u/bda82">/u/bda82</a> on reddit.
 </body>
diff --git a/web/outfitters.html b/web/mh4u/outfitters.html
similarity index 100%
rename from web/outfitters.html
rename to web/mh4u/outfitters.html
diff --git a/web/recommends.html b/web/mh4u/recommends.html
similarity index 94%
rename from web/recommends.html
rename to web/mh4u/recommends.html
index 32239e3..1afaef5 100644
--- a/web/recommends.html
+++ b/web/mh4u/recommends.html
@@ -1,13 +1,13 @@
 <html>
 <head>
-  <title>Poogie Recommends</title>
+  <title>Poogie Recommends (4U)</title>
 
   <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
 
   <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.3/themes/smoothness/jquery-ui.css" />
 <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.3/jquery-ui.min.js"></script>
 
-  <script src="js/common.js"></script>
+  <script src="/js/common.js"></script>
 
   <style>
       .flex {
@@ -46,7 +46,7 @@
               display_item(normalized_name);
               console.log("replaceState: " + normalized_name);
               window.history.replaceState({ "item_name": normalized_name }, "",
-                                          "/recommends.html?item="
+                                          "/mh4u/recommends.html?item="
                                           + encoded_name );
           }
           $(window).on("popstate", function(e) {
@@ -72,7 +72,7 @@
           display_item(normalized_name);
           console.log("pushState: " + normalized_name);
           window.history.pushState({ "item_name": normalized_name }, "",
-                                   "/recommends.html?item=" + encoded_name );
+                                   "/mh4u/recommends.html?item=" + encoded_name );
       }
 
       function display_item(normalized_name) {
diff --git a/web/weaponlist.html b/web/mh4u/weaponlist.html
similarity index 58%
rename from web/weaponlist.html
rename to web/mh4u/weaponlist.html
index eb24eb6..90d76ad 100644
--- a/web/weaponlist.html
+++ b/web/mh4u/weaponlist.html
@@ -1,15 +1,15 @@
 <html>
 <head>
-  <title>Poogie's Weapon List</title>
+  <title>Poogie's Weapon List (MH4U)</title>
 
   <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
 
   <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.3/themes/smoothness/jquery-ui.css" />
   <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.3/jquery-ui.min.js"></script>
 
-  <script type="text/javascript" src="js/ejs_production.js"></script>
+  <script type="text/javascript" src="../js/ejs_production.js"></script>
 
-  <script type="text/javascript" src="js/common.js"></script>
+  <script type="text/javascript" src="../js/common.js"></script>
 
   <style>
       label {
@@ -97,14 +97,32 @@
   </style>
 
   <script type="text/javascript">
-    var DATA_PATH = get_base_path() + "/jsonapi/";
+    var WEAPON_LIST = null;
+    var HORN_MELODY_MAP = null;
+
+    $.ajax({
+        url: "../jsonapi/mh4u/weapon/_all.json",
+        async: false,
+        dataType: "json",
+        success: function (data) {
+            WEAPON_LIST = data;
+            console.log("weapon count " + WEAPON_LIST.length);
+        }
+    });
+
+    $.ajax({
+        url: "../jsonapi/mh4u/horn_melody/_index_notes.json",
+        async: false,
+        dataType: "json",
+        success: function (data) {
+            HORN_MELODY_MAP = data;
+        }
+    });
 
-    var template_row = new EJS({ url: "templates/weaponrow.ejs" });
+    var template_row = new EJS({ url: "../templates/weaponrow.ejs" });
 
     $(document).ready(function(){
-        load_weapon_data(function() {
-            load_calculating_palico_data(init_page);
-        });
+        init_page();
 
         $("#sharpness_popup").on("click", function(evt) {
             $(this).html("").offset({top:0, left:0}).hide();
@@ -119,7 +137,7 @@
     });
 
     function init_page() {
-        var state = load_qs();
+        var qs = load_qs();
         $(window).on("popstate", function(e) {
             var oe = e.originalEvent;
             if (oe.state !== null) {
@@ -133,8 +151,8 @@
             update_weapon_list(state);
         });
 
-        if (state) {
-            update_weapon_list(state);
+        if (qs) {
+            update_weapon_list(qs);
         }
     }
 
@@ -151,15 +169,26 @@
                  "weapon_element": $("#weapon_element").val(),
                  "weapon_final": $("#weapon_final").is(":checked"),
                  "weapon_name_text": $("#weapon_name_text").val(),
-                 "weapon_component_text": $("#weapon_component_text").val() };
+                 "weapon_component_text": $("#weapon_component_text").val(),
+                 "village_stars": $("#village_stars").val(),
+                 "guild_stars": $("#guild_stars").val(),
+                 "arena_stars": $("#arena_stars").val() };
     }
 
     function load_state(state) {
         $("#weapon_type").val(state["weapon_type"]);
         $("#weapon_element").val(state["weapon_element"]);
+        final = state["weapon_final"];
+        if (typeof final == "string") {
+            final = final.toLowerCase();
+            state["weapon_final"] = (final == "true" || final == "1");
+        }
         $("#weapon_final").prop("checked", state["weapon_final"]);
         $("#weapon_name_text").val(state["weapon_name_text"]);
         $("#weapon_component_text").val(state["weapon_component_text"]);
+        $("#village_stars").val(state["village_stars"] || "Any");
+        $("#guild_stars").val(state["guild_stars"] || "Any");
+        $("#arena_stars").val(state["arena_stars"] || "Any");
     }
 
     function save_state(state, replace) {
@@ -171,11 +200,58 @@
         }
     }
 
+    function match_stars(match_value, weapon_value) {
+        // NOTE: a null weapon_value can be not available, or no data
+        // available (should probably fix this)
+        if (match_value == "Any" || match_value == ""
+                || match_value == undefined || match_value == null) {
+            return true;
+        }
+        if (match_value == "None") {
+            // for None, allow null values, because null can be no requirements
+            // or no data available
+            if (weapon_value != null) {
+                return false;
+            }
+            return true;
+        }
+        // if matching a specific value, require a non-null weapon value
+        if (weapon_value == null) {
+            return false;
+        }
+        match_value = parseInt(match_value);
+        if (weapon_value > match_value) {
+            return false;
+        }
+        return true;
+    }
+
     function weapon_predicate(state, weapon_data) {
         var weapon_type = state["weapon_type"];
         var weapon_element = state["weapon_element"];
         var final_only = state["weapon_final"];
         var weapon_names = state["weapon_name_text"].split("|");
+        var village_stars = state["village_stars"];
+        var guild_stars = state["guild_stars"];
+        var arena_stars = state["arena_stars"];
+
+        // do this first to simplify debugging specific weapons that aren't
+        // matching when they should via breakpoints
+        if (weapon_names && !list_match(weapon_names, [weapon_data["name"]])) {
+            return false;
+        }
+
+        // allow satisfying quest filter with village or guild, since they
+        // involve essentially the same quests, rewards, and monsters,
+        // but if permit or arena filters are set, they must be satisfied
+        // independently
+        if (! match_stars(village_stars, weapon_data["village_stars"])
+                && ! match_stars(guild_stars, weapon_data["guild_stars"])) {
+            return false;
+        }
+        if (! match_stars(arena_stars, weapon_data["arena_stars"])) {
+            return false;
+        }
 
         if (final_only && weapon_data["final"] != 1) {
             return false;
@@ -188,17 +264,15 @@
         if (weapon_element != "All"
         &&  weapon_element != weapon_data["element"]
         &&  weapon_element != weapon_data["element_2"]
-        &&  weapon_element != weapon_data["awaken"]) {
+        &&  weapon_element != weapon_data["awaken"]
+        &&  weapon_element != weapon_data["phial"]) {
             if (weapon_element != "None"
-            ||  weapon_data["element"] != "" || weapon_data["awaken"] != "") {
+            || (weapon_data["element"] != null && weapon_data["element"] != "")
+            || (weapon_data["awaken"] != null && weapon_data["awaken"] != "")) {
                 return false;
             }
         }
 
-        if (weapon_names && !list_match(weapon_names, [weapon_data["name"]])) {
-            return false;
-        }
-
         return true;
     }
 
@@ -219,55 +293,43 @@
     }
 
     function update_weapon_list(state) {
-        var match_count = 0;
-        var cp_setups = [];
         var comps = state["weapon_component_text"];
         if (comps) {
             comps = comps.split("|");
         }
+        var match_count = 0;
         console.log("updating weapon list: " + JSON.stringify(state));
         var results = [];
-        $.each(WEAPON_ID_IDX, function(weapon_id, weapon_list) {
-            var weapon_data = weapon_list[0];
+        $.each(WEAPON_LIST, function(i, weapon_data) {
             if (weapon_predicate(state, weapon_data)) {
-                $.ajax({
-                    url: DATA_PATH + "weapon/" + weapon_id + ".json",
-                    dataType: "json",
-                    async: false,
-                    success: function(data) {
-                         if (comps
-                         && !list_match(comps,
-                                Object.keys(data["create_components"]))
-                         && !list_match(comps,
-                                Object.keys(data["upgrade_components"])))
-                         {
-                               console.log("skipping '" + data["name"]
-                                           + "', failed component match");
-                               return;
-                         }
-                         match_count += 1;
-                         set_sharpness_titles(data);
-                         data["arc_type"] = null;
-                         data["sharpness_plus2"] = null;
-                         data["sharpness_width"] = 1;
-                         data["bug_type"] = null;
-                         set_bow_values(data);
-                         set_horn_melodies_title(data);
-                         data["wtype_short"] = WEAPON_TYPE_ABBR[data["wtype"]];
-                         data["ELEMENT_ABBR"] = ELEMENT_ABBR;
-                         data["url"] = null;
-                         var html = template_row.render(data);
-                         results.push([data, html]);
-                         var setup = get_calculating_palico_setup(data);
-                         //console.log("setup for " + weapon_id + ": " + setup);
-                         if (setup.length) {
-                             cp_setups.push(setup);
-                         }
-                     }
-                });
+                if (comps
+                && !list_match(comps,
+                       Object.keys(data["create_components"]))
+                && !list_match(comps,
+                       Object.keys(data["upgrade_components"])))
+                {
+                    console.log("skipping '" + data["name"]
+                                + "', failed component match");
+                    return;
+                }
+                weapon_data["id"] = i;
+                weapon_data["sharpness_width"] = 1;
+                weapon_data["sharpness_plus2"] = null;
+                weapon_data["url"] = "weaponplanner.html?weapon="
+                                     + encodeURIComponent(weapon_data["name"]);
+                weapon_data["bug_type"] = null;
+                weapon_data["arc_type"] = null;
+                match_count += 1;
+                set_sharpness_titles(weapon_data);
+                set_bow_values(weapon_data);
+                set_horn_melodies_title(weapon_data, HORN_MELODY_MAP);
+                weapon_data["wtype_short"] =
+                          WEAPON_TYPE_ABBR[weapon_data["wtype"]];
+                weapon_data["ELEMENT_ABBR"] = ELEMENT_ABBR;
+                var html = template_row.render(weapon_data);
+                results.push([weapon_data, html]);
             }
         });
-        console.log("results len " + results.length);
         results.sort(function (a, b) {
             avals = get_weapon_sort_values(a[0]);
             bvals = get_weapon_sort_values(b[0]);
@@ -277,23 +339,9 @@
         $.each(results, function(i, pair) {
             $("#weapon_table").append(pair[1]);
         });
-        update_cp_link(cp_setups);
-
         console.log("match count: " + match_count);
 
     }
-
-    function update_cp_link(setups) {
-        if (setups.length == 0) {
-            console.log("no matches or no cp setups, hiding cp link");
-            $("#cp_div").hide();
-        } else {
-            var href = get_calculating_palico_uri(setups);
-            console.log("cp link: " + href);
-            $("#cp_link").prop("href", href);
-            $("#cp_div").show();
-        }
-    }
   </script>
 </head>
 <body>
@@ -342,6 +390,48 @@
     <td><input id="weapon_final" type="checkbox" /></td>
     <td><button id="search">Search</button></td>
   </tr>
+  <tr>
+    <td colspan="7">
+      <label>Quest Level:</label>
+      <select id="village_stars">
+       <option value="Any">Village Any</option>
+       <option value="1">Village 1*</option>
+       <option value="2">Village 2*</option>
+       <option value="3">Village 3*</option>
+       <option value="4">Village 4*</option>
+       <option value="5">Village 5*</option>
+       <option value="6">Village 6*</option>
+       <option value="7">Village 7*</option>
+       <option value="8">Village 8*</option>
+       <option value="9">Village 9*</option>
+       <option value="10">Village 10*</option>
+      </select>
+      <select id="guild_stars">
+       <option value="Any">Guild Any</option>
+       <option value="1">Guild 1*</option>
+       <option value="2">Guild 2*</option>
+       <option value="3">Guild 3*</option>
+       <option value="4">Guild 4*</option>
+       <option value="5">Guild 5*</option>
+       <option value="6">Guild 6*</option>
+       <option value="7">Guild 7*</option>
+       <option value="8">Guild 8*</option>
+       <option value="9">Guild 9*</option>
+       <option value="10">Guild 10*</option>
+      </select>
+      <select id="arena_stars">
+       <option value="Any">Arena Any</option>
+       <option value="None">Arena None</option>
+       <option value="1">Arena 1*</option>
+       <option value="2">Arena 2*</option>
+       <option value="3">Arena 3*</option>
+       <option value="4">Arena 4*</option>
+       <option value="5">Arena 5*</option>
+       <option value="6">Arena 6*</option>
+       <option value="7">Arena 7*</option>
+      </select>
+    </td>
+  </tr>
   <tr>
     <td colspan="7">
       <label for="weapon_name_text"
@@ -356,11 +446,6 @@
   </tr>
   </table>
 </div>
-<div id="cp_div">
-<a id="cp_link"
-   href="http://minyoung.ch/calculatingpalico/"
- >Compare damage (Calculating Palico)</a>
-</div>
 <table id="weapon_table">
 </table>
 <div id="sharpness_popup"></div>
diff --git a/web/weaponplanner.html b/web/mh4u/weaponplanner.html
similarity index 95%
rename from web/weaponplanner.html
rename to web/mh4u/weaponplanner.html
index 50b4422..eb0b8a3 100644
--- a/web/weaponplanner.html
+++ b/web/mh4u/weaponplanner.html
@@ -7,9 +7,9 @@
   <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.3/themes/smoothness/jquery-ui.css" />
   <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.3/jquery-ui.min.js"></script>
 
-  <script type="text/javascript" src="js/ejs_production.js"></script>
+  <script type="text/javascript" src="/js/ejs_production.js"></script>
 
-  <script type="text/javascript" src="js/common.js"></script>
+  <script type="text/javascript" src="/js/common.js"></script>
 
   <style>
       label {
@@ -85,10 +85,10 @@
   </style>
 
   <script type="text/javascript">
-    var DATA_PATH = get_base_path() + "/jsonapi/";
+    var DATA_PATH = "/jsonapi/mh4u/";
 
-    var template_path = new EJS({ url: "templates/weaponpath.ejs" });
-    var template_stats = new EJS({ url: "templates/weaponstats.ejs" });
+    var template_path = new EJS({ url: "/templates/weaponpath.ejs" });
+    var template_stats = new EJS({ url: "/templates/weaponstats.ejs" });
 
     $(document).ready(function(){
         setup_weapon_autocomplete("#weapon", autocomplete_predicate,
@@ -135,7 +135,7 @@
     }
 
     function save_state(state, replace) {
-        var url = "/weaponplanner.html?" + encode_qs(state);
+        var url = "/mh4u/weaponplanner.html?" + encode_qs(state);
         if (replace) {
             window.history.replaceState(state, "", url);
         } else {
@@ -170,6 +170,7 @@
     }
 
     function show_trees(weapon_name) {
+        console.log("show_trees '" + weapon_name + "'");
         if (!weapon_name) return;
         weapon_id = WEAPON_NAME_IDX[weapon_name][0];
         console.log("show_trees(" + weapon_name + "): " + weapon_id);
@@ -180,14 +181,14 @@
                   function(data) {
                       set_sharpness_titles(data);
                       set_horn_melodies_title(data);
-                      data["sharpness_plus2"] = null;
-                      data["sharpness_width"] = 1;
                       if (data["parent_id"]) {
                           var parent_obj = WEAPON_ID_IDX[data["parent_id"]][0];
                           data["parent_name"] = parent_obj["name"];
                       } else {
                           data["parent_name"] = null;
                       }
+                      data["sharpness_width"] = 1;
+                      data["sharpness_plus2"] = null;
                       var html = template_stats.render(data);
                       $("#weapon_stats").html(html);
                   });
diff --git a/web/templates/weaponstats.ejs b/web/templates/weaponstats.ejs
index cce9f69..a1554aa 100644
--- a/web/templates/weaponstats.ejs
+++ b/web/templates/weaponstats.ejs
@@ -81,6 +81,17 @@
        title="<%= parent_name %>">(parent)</a>
 <% } %>
 </td>
+<% if (village_stars) { %>
+<td>
+Village <%= village_stars %>
+</td>
+<% } %>
+<% if (guild_stars) { %>
+<td>
+Guild <%= guild_stars %>
+</td>
+<% } %>
+
 </tr>
 </table>
 <% if (children.length) { %>
