diff --git a/lib/node/node.js b/lib/node/node.js
index c1410bf1..466f3509 100644
--- a/lib/node/node.js
+++ b/lib/node/node.js
@@ -113,7 +113,7 @@ Node.prototype.init = function init() {
   });
 
   this.workers.on('log', (text, child) => {
-    this.logger.debug(`Worker ${child.id} says:`);
+    this.logger.debug('Worker %d says:', child.id);
     this.logger.debug(text);
   });
 
@@ -291,6 +291,8 @@ Node.prototype.use = function use(plugin) {
       case 'mempool':
       case 'miner':
       case 'pool':
+      case 'rpc':
+      case 'http':
         assert(false, `${plugin.id} is already added.`);
         break;
     }
@@ -319,16 +321,17 @@ Node.prototype.has = function has(name) {
 };
 
 /**
- * Require a plugin.
+ * Get a plugin.
  * @param {String} name
- * @returns {Object}
+ * @returns {Object|null}
  */
 
-Node.prototype.require = function require(name) {
+Node.prototype.get = function get(name) {
   let plugin;
 
   assert(typeof name === 'string', 'Plugin name must be a string.');
 
+  // Reserved names.
   switch (name) {
     case 'chain':
       assert(this.chain, 'chain is not loaded.');
@@ -345,11 +348,27 @@ Node.prototype.require = function require(name) {
     case 'pool':
       assert(this.pool, 'pool is not loaded.');
       return this.pool;
+    case 'rpc':
+      assert(this.rpc, 'rpc is not loaded.');
+      return this.rpc;
+    case 'http':
+      assert(this.http, 'http is not loaded.');
+      return this.http;
   }
 
-  plugin = this.plugins[name];
-  assert(plugin, `${name} is not loaded.`);
+  return this.plugins[name];
+};
 
+/**
+ * Require a plugin.
+ * @param {String} name
+ * @returns {Object}
+ * @throws {Error} on onloaded plugin
+ */
+
+Node.prototype.require = function require(name) {
+  let plugin = this.get(name);
+  assert(plugin, `${name} is not loaded.`);
   return plugin;
 };
 
@@ -362,13 +381,11 @@ Node.prototype.loadPlugins = function loadPlugins() {
   let plugins = this.config.array('plugins', []);
   let loader = this.config.func('loader');
 
-  if (!loader)
-    return;
-
   for (let plugin of plugins) {
-    if (typeof plugin === 'string')
+    if (typeof plugin === 'string') {
+      assert(loader, 'Must pass a loader function.');
       plugin = loader(plugin);
-
+    }
     this.use(plugin);
   }
 };
diff --git a/lib/wallet/server.js b/lib/wallet/server.js
index 4f752f8a..b9cac845 100644
--- a/lib/wallet/server.js
+++ b/lib/wallet/server.js
@@ -68,7 +68,7 @@ server.create = function create(options) {
   });
 
   workers.on('log', (text, child) => {
-    logger.debug(`Worker ${child.id} says:`);
+    logger.debug('Worker %d says:', child.id);
     logger.debug(text);
   });