diff --git a/nodes/core/storage/66-mongodb.html b/nodes/core/storage/66-mongodb.html
index 1326ba9c8..bb9c021d8 100644
--- a/nodes/core/storage/66-mongodb.html
+++ b/nodes/core/storage/66-mongodb.html
@@ -69,7 +69,7 @@
         <label for="node-input-collection"><i class="fa fa-briefcase"></i> Collection</label>
         <input type="text" id="node-input-collection" placeholder="collection">
     </div>
-        <div class="form-row">
+    <div class="form-row">
         <label for="node-input-operation"><i class="fa fa-wrench"></i> Operation</label>
         <select type="text" id="node-input-operation" style="display: inline-block; vertical-align: top;">
             <option value="store">save</option>
@@ -141,6 +141,14 @@
         <label for="node-input-collection"><i class="fa fa-briefcase"></i> Collection</label>
         <input type="text" id="node-input-collection" placeholder="collection">
     </div>
+    <div class="form-row">
+        <label for="node-input-operation"><i class="fa fa-wrench"></i> Operation</label>
+        <select type="text" id="node-input-operation" style="display: inline-block; vertical-align: top;">
+            <option value="find">find</option>
+            <option value="count">count</option>
+            <option value="aggregate">aggregate</option>
+        </select>
+    </div>
     <div class="form-row">
         <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
         <input type="text" id="node-input-name" placeholder="Name">
@@ -148,9 +156,12 @@
 </script>
 
 <script type="text/x-red" data-help-name="mongodb in">
-    <p>Queries a MongoDB collection by using the <b>msg.payload</b> to be a MongoDB query statement as per the .find() function.</p>
-    <p>You may also (via a function) set a <b>msg.projection</b> object to constrain the returned fields, a <b>msg.sort</b> object and a <b>msg.limit</b> object.</p>
-    <p>All are optional - see the <a href="http://docs.mongodb.org/manual/reference/method/db.collection.find/" target="new"><i>MongoDB find docs</i></a> for examples.</p>
+    <p>Calls a MongoDB collection method based on the selected operator.</p>
+    <p>Find queries a collection using the <b>msg.payload</b> as the query statement as per the .find() function. Optionally, you may also (via a function) set a <b>msg.projection</b> object to constrain the returned fields, a <b>msg.sort</b> object and a <b>msg.limit</b> object.</p>
+    <p>Count returns a count of the number of documents in a collection or matching a query using the <b>msg.payload</b> as the query statement.</p>
+    <p>Aggregate provides access to the aggregation pipeline using the <b>msg.payload</b> as the pipeline array.</p>
+    <p>See the <a href="http://docs.mongodb.org/manual/reference/method/db.collection.find/" target="new"><i>MongoDB collection methods docs</i></a> for examples.</p>
+    <p>The result is returned in <b>msg.payload</b>.</p>
 </script>
 
 <script type="text/javascript">
@@ -160,7 +171,8 @@
         defaults: {
             mongodb: { type:"mongodb",required:true},
             name: {value:""},
-            collection: {value:"",required:true}
+            collection: {value:"",required:true},
+            operation: {value:"find"}
         },
         inputs:1,
         outputs:1,
diff --git a/nodes/core/storage/66-mongodb.js b/nodes/core/storage/66-mongodb.js
index 12b30a7b5..b56722c35 100644
--- a/nodes/core/storage/66-mongodb.js
+++ b/nodes/core/storage/66-mongodb.js
@@ -41,7 +41,7 @@ module.exports = function(RED) {
             password: {type: "password"}
         }
     });
-    
+
     function MongoOutNode(n) {
         RED.nodes.createNode(this,n);
         this.collection = n.collection;
@@ -109,6 +109,7 @@ module.exports = function(RED) {
         RED.nodes.createNode(this,n);
         this.collection = n.collection;
         this.mongodb = n.mongodb;
+        this.operation = n.operation || "find";
         this.mongoConfig = RED.nodes.getNode(this.mongodb);
 
         if (this.mongoConfig) {
@@ -120,18 +121,41 @@ module.exports = function(RED) {
                     node.clientDb = db;
                     var coll = db.collection(node.collection);
                     node.on("input",function(msg) {
-                        msg.projection = msg.projection || {};
-                        coll.find(msg.payload,msg.projection).sort(msg.sort).limit(msg.limit).toArray(function(err, items) {
-                            if (err) {
-                                node.error(err);
-                            } else {
-                                msg.payload = items;
-                                delete msg.projection;
-                                delete msg.sort;
-                                delete msg.limit;
-                                node.send(msg);
-                            }
-                        });
+                        if (node.operation === "find") {
+                            msg.projection = msg.projection || {};
+                            coll.find(msg.payload,msg.projection).sort(msg.sort).limit(msg.limit).toArray(function(err, items) {
+                                if (err) {
+                                    node.error(err);
+                                } else {
+                                    msg.payload = items;
+                                    delete msg.projection;
+                                    delete msg.sort;
+                                    delete msg.limit;
+                                    node.send(msg);
+                                }
+                            });
+                        }
+                        else if (node.operation === "count") {
+                            coll.count(msg.payload, function(err, count) {
+                                if (err) {
+                                    node.error(err);
+                                } else {
+                                    msg.payload = count;
+                                    node.send(msg);
+                                }
+                            });
+                        }
+                        else if (node.operation === "aggregate") {
+                            msg.payload = (msg.payload instanceof Array) ? msg.payload : [];
+                            coll.aggregate(msg.payload, function(err, result) {
+                                if (err) {
+                                    node.error(err);
+                                } else {
+                                    msg.payload = result;
+                                    node.send(msg);
+                                }
+                            });
+                        }
                     });
                 }
             });