diff --git a/lib/bcoin/http/rpc.js b/lib/bcoin/http/rpc.js
index 46d47b62..6312f3f2 100644
--- a/lib/bcoin/http/rpc.js
+++ b/lib/bcoin/http/rpc.js
@@ -260,6 +260,9 @@ RPC.prototype.execute = function execute(json, callback) {
     case 'removeprunedfunds':
       return this.removeprunedfunds(json.params, callback);
 
+    case 'getmemory':
+      return this.getmemory(json.params, callback);
+
     default:
       return callback(new Error('Method not found.'));
   }
@@ -1056,6 +1059,24 @@ RPC.prototype.getmempoolinfo = function getmempoolinfo(args, callback) {
   });
 };
 
+RPC.prototype.getmempoolancestors = function getmempoolancestors(args, callback) {
+  if (args.help || args.length < 1 || args.length > 2) {
+    return callback(new RPCError('getmempoolancestors txid (verbose)'));
+  callback(new Error('Not implemented.'));
+};
+
+RPC.prototype.getmempooldescendants = function getmempooldescendants(args, callback) {
+  if (args.help || args.length < 1 || args.length > 2) {
+      return callback(new RPCError('getmempooldescendants txid (verbose)'));
+  callback(new Error('Not implemented.'));
+};
+
+RPC.prototype.getmempoolentry = function getmempoolentry(args, callback) {
+  if (args.help || args.length !== 1)
+    return callback(new RPCError('getmempoolentry txid'));
+  callback(new Error('Not implemented.'));
+};
+
 RPC.prototype.getrawmempool = function getrawmempool(args, callback) {
   var verbose;
 
@@ -1871,7 +1892,7 @@ RPC.prototype.decodescript = function decodescript(args, callback) {
   var data, script, hash, address;
 
   if (args.help || args.length !== 1)
-    return callback(new RPCError('decodescript \"hex\"'));
+    return callback(new RPCError('decodescript "hex"'));
 
   data = String(args[0]);
   script = new bcoin.script();
@@ -2541,7 +2562,7 @@ RPC.prototype.addmultisigaddress = function addmultisigaddress(args, callback) {
 
 RPC.prototype.addwitnessaddress = function addwitnessaddress(args, callback) {
   if (args.help || args.length < 1 || args.length > 1)
-    return callback(new RPCError('addwitnessaddress \"address\"'));
+    return callback(new RPCError('addwitnessaddress "address"'));
   // Unlikely to be implemented.
   callback(new Error('Not implemented.'));
 };
@@ -3648,6 +3669,22 @@ RPC.prototype.removeprunedfunds = function removeprunedfunds(args, callback) {
   callback(new Error('Not implemented.'));
 };
 
+RPC.prototype.getmemory = function getmemory(args, callback) {
+  var mem;
+
+  if (args.help || args.length !== 0)
+    return callback(new RPCError('getmemory'));
+
+  mem = process.memoryUsage();
+
+  callback(null, {
+    rss: utils.mb(mem.rss),
+    jsheap: utils.mb(mem.heapUsed),
+    jsheaptotal: utils.mb(mem.heapTotal),
+    nativeheap: utils.mb(mem.rss - mem.heapTotal)
+  });
+};
+
 /*
  * Helpers
  */