diff --git a/agents/meshcore.js b/agents/meshcore.js
index 4d3824f9..901305b6 100644
--- a/agents/meshcore.js
+++ b/agents/meshcore.js
@@ -1960,7 +1960,7 @@ function createMeshCore(agent) {
             var response = null;
             switch (cmd) {
                 case 'help': { // Displays available commands
-                    var fin = '', f = '', availcommands = 'agentsize,version,help,info,osinfo,args,print,type,dbkeys,dbget,dbset,dbcompact,eval,parseuri,httpget,nwslist,plugin,wsconnect,wssend,wsclose,notify,ls,ps,kill,amt,netinfo,location,power,wakeonlan,setdebug,smbios,rawsmbios,toast,lock,users,sendcaps,openurl,amtreset,amtccm,amtacm,amtdeactivate,amtpolicy,getscript,getclip,setclip,log,av,cpuinfo,sysinfo,apf,scanwifi,scanamt,wallpaper';
+                    var fin = '', f = '', availcommands = 'alert,agentsize,version,help,info,osinfo,args,print,type,dbkeys,dbget,dbset,dbcompact,eval,parseuri,httpget,nwslist,plugin,wsconnect,wssend,wsclose,notify,ls,ps,kill,amt,netinfo,location,power,wakeonlan,setdebug,smbios,rawsmbios,toast,lock,users,sendcaps,openurl,amtreset,amtccm,amtacm,amtdeactivate,amtpolicy,getscript,getclip,setclip,log,av,cpuinfo,sysinfo,apf,scanwifi,scanamt,wallpaper';
                     if (process.platform == 'win32') { availcommands += ',safemode,wpfhwacceleration'; }
                     availcommands = availcommands.split(',').sort();
                     while (availcommands.length > 0) {
@@ -1971,6 +1971,24 @@ function createMeshCore(agent) {
                     response = "Available commands: \r\n" + fin + ".";
                     break;
                 }
+                case 'alert':
+                    if (args['_'].length ==  0)
+                    {
+                        response = "Proper usage: alert TITLE, CAPTION [, TIMEOUT]"; // Display usage
+                    }
+                    else
+                    {
+                        var p = args['_'].join(' ').split(',');
+                        if(p.length<2)
+                        {
+                            response = "Proper usage: alert TITLE, CAPTION [, TIMEOUT]"; // Display usage
+                        }
+                        else
+                        {
+                            this._alert = require('message-box').create(p[0], p[1], p.length==3?parseInt(p[2]):9999);
+                        }
+                    }
+                    break;
                 case 'agentsize':
                     var actualSize = Math.floor(require('fs').statSync(process.execPath).size / 1024);
                     if (process.platform == 'win32') {
diff --git a/pluginHandler.js b/pluginHandler.js
index ae165cb9..4f871d9b 100644
--- a/pluginHandler.js
+++ b/pluginHandler.js
@@ -276,12 +276,12 @@ module.exports.pluginHandler = function (parent) {
 
     // MeshCentral doesn't adhere to semantic versioning (due to the -<alpha_char> at the end of the version)
     // Convert 1.2.3-a to 1.2.3-3 where the letter is converted to a number.
-    function versionToNumber(ver) { var x = ver.split('-'); if (x.length != 2) return ver; x[1] = x[1].toLowerCase().charCodeAt(0) - 96; return x.join('.'); }
+    obj.versionToNumber = function(ver) { var x = ver.split('-'); if (x.length != 2) return ver; x[1] = x[1].toLowerCase().charCodeAt(0) - 96; return x.join('.'); }
 
     // Check if the current version of MeshCentral is at least the minimal required.
-    function checkMeshCentralVersion(current, minimal) {
+    obj.versionCompare = function(current, minimal) {
         if (minimal.startsWith('>=')) { minimal = minimal.substring(2); }
-        var c = versionToNumber(current).split('.'), m = versionToNumber(minimal).split('.');
+        var c = obj.versionToNumber(current).split('.'), m = obj.versionToNumber(minimal).split('.');
         if (c.length != m.length) return false;
         for (var i = 0; i < c.length; i++) { var cx = parseInt(c[i]), cm = parseInt(m[i]); if (cx > cm) { return true; } if (cx < cm) { return false; } }
         return true;
@@ -312,7 +312,7 @@ module.exports.pluginHandler = function (parent) {
                                 'installedVersion': curconf.version,
                                 'version': newconf.version,
                                 'hasUpdate': s.gt(newconf.version, curconf.version),
-                                'meshCentralCompat': checkMeshCentralVersion(parent.currentVer, newconf.meshCentralCompat),
+                                'meshCentralCompat': obj.versionCompare(parent.currentVer, newconf.meshCentralCompat),
                                 'changelogUrl': curconf.changelogUrl,
                                 'status': curconf.status
                             });
diff --git a/plugin_development.md b/plugin_development.md
index 17e6a890..e45c1769 100644
--- a/plugin_development.md
+++ b/plugin_development.md
@@ -49,7 +49,7 @@ A valid JSON object within a file named `config.json` in the root folder of your
 | repository.type | Yes | string | valid values are `git` and in the future, `npm` will also be supported in the future
 | repository.url | Yes | string | the URL to the project's repository
 | versionHistoryUrl | No | string | the URL to the project's versions/tags
-| meshCentralCompat | Yes | string | the semantic version string of required compatibility with the MeshCentral server
+| meshCentralCompat | Yes | string | the minimum version string of required compatibility with the MeshCentral server, can be formatted as "0.1.2-c" or ">=0.1.2-c". Currently only supports minimum version, not full semantic checking.
 
 ## Plugin Hooks
 These are separated into the following categories depending on the type of functionality the plugin should offer.