diff --git a/.gitignore b/.gitignore
index a6e3daf..53c9a3c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,7 +25,8 @@ hs_err_pid*
 replay_pid*
 
 # idea
-.idea
+.idea/*
 # build sources
-target
-
+target/*
+# spigot test server
+spigot/*
diff --git a/README.md b/README.md
index fa96990..0d60cf7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,26 @@
 # spigot_ontime_handler
 
+Spigot plugin to send Minecraft derivates to OnMemberJoin, OnMemberRemove & OnMessage to the KDB-API to be processed
+accordingly
+
+## Execute
+
+### Install dependencies:
+
+Install ```spigot server``` in folder ```./spigot``` first!!
+
+```bash
+mvn install
+```
+
+### Build and Run the plugin:
+
+```bash
+./run.sh
+```
+
+### Build only:
+
+```bash
+./build.sh
+```
\ No newline at end of file
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..0c35637
--- /dev/null
+++ b/build.sh
@@ -0,0 +1 @@
+mvn package -f pom.xml
\ No newline at end of file
diff --git a/kd_ontime_handler_spigot.iml b/kd_ontime_handler_spigot.iml
index 43cdacd..4f789f1 100644
--- a/kd_ontime_handler_spigot.iml
+++ b/kd_ontime_handler_spigot.iml
@@ -1,8 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module version="4">
+  <component name="FacetManager">
+    <facet type="minecraft" name="Minecraft">
+      <configuration>
+        <autoDetectTypes>
+          <platformType>SPIGOT</platformType>
+        </autoDetectTypes>
+      </configuration>
+    </facet>
+  </component>
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/spigot" />
     </content>
   </component>
 </module>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index f2fc94a..20c0809 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,6 @@
             <version>1.19.2-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
-
         <dependency>
             <groupId>org.jetbrains.kotlin</groupId>
             <artifactId>kotlin-test-junit5</artifactId>
@@ -49,6 +48,21 @@
             <artifactId>kotlin-stdlib-jdk8</artifactId>
             <version>1.7.21</version>
         </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-compiler</artifactId>
+            <version>1.7.21</version>
+        </dependency>
+        <dependency>
+            <groupId>org.json</groupId>
+            <artifactId>json</artifactId>
+            <version>20220924</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.okhttp</groupId>
+            <artifactId>okhttp</artifactId>
+            <version>20120626</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -81,7 +95,33 @@
                 <artifactId>exec-maven-plugin</artifactId>
                 <version>1.6.0</version>
                 <configuration>
-                    <mainClass>MainKt</mainClass>
+                    <mainClass>OntimeHandlerPlugin</mainClass>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                    <finalName>${project.artifactId}-${project.version}</finalName>
+                    <appendAssemblyId>false</appendAssemblyId>
                 </configuration>
             </plugin>
         </plugins>
diff --git a/run.sh b/run.sh
new file mode 100644
index 0000000..fd9919b
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,5 @@
+bash build.sh
+cp target/kd_ontime_handler_spigot-*-SNAPSHOT.jar spigot/plugins
+cd spigot
+export PLUGIN_ENVIRONMENT=development
+java -Xms1G -Xmx8G -jar spigot.jar --nogui
\ No newline at end of file
diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
deleted file mode 100644
index f2a59b6..0000000
--- a/src/main/kotlin/Main.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-fun main(args: Array<String>) {
-    println("Hello World!")
-
-    // Try adding program arguments via Run/Debug configuration.
-    // Learn more about running applications: https://www.jetbrains.com/help/idea/running-applications.html.
-    println("Program arguments: ${args.joinToString()}")
-}
\ No newline at end of file
diff --git a/src/main/kotlin/de/sh_edraft/OntimeHandlerPlugin.kt b/src/main/kotlin/de/sh_edraft/OntimeHandlerPlugin.kt
new file mode 100644
index 0000000..0e8fb3a
--- /dev/null
+++ b/src/main/kotlin/de/sh_edraft/OntimeHandlerPlugin.kt
@@ -0,0 +1,43 @@
+package de.sh_edraft
+
+import de.sh_edraft.config.Config
+import de.sh_edraft.data.DataService
+import de.sh_edraft.events.OnJoinListener
+import de.sh_edraft.events.OnLeftListener
+import org.bukkit.Bukkit
+import org.bukkit.plugin.java.JavaPlugin
+
+open class OntimeHandlerPlugin() : JavaPlugin() {
+
+    private lateinit var config: Config
+
+    private lateinit var dataService: DataService
+
+    override fun onEnable() {
+        this.config = Config(logger)
+        this.config.read("plugins/kd_ontime/config.properties", false)
+        this.config.read("plugins/kd_ontime/config.${this.config.environment}.properties", true)
+        this.config.read("plugins/kd_ontime/config.${this.config.hostName}.properties", true)
+
+        this.dataService = DataService(logger, this.config)
+
+        server.pluginManager.registerEvents(OnJoinListener(logger, this.dataService), this)
+        server.pluginManager.registerEvents(OnLeftListener(logger, this.dataService), this)
+
+        logger.info("OntimeHandlerPlugin enabled :D")
+    }
+
+    override fun onDisable() {
+        try {
+            for (player in Bukkit.getOnlinePlayers()) {
+                logger.info("Logout player" + player.displayName)
+                val playerId = this.dataService.getPlayerGlobalId(player.player!!.displayName) ?: return
+                this.dataService.sendLeftPlayer(playerId)
+            }
+        } catch (ex: Exception) {
+            logger.severe(ex.message)
+        }
+
+        logger.info("OntimeHandlerPlugin disabled :(")
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/de/sh_edraft/config/Config.kt b/src/main/kotlin/de/sh_edraft/config/Config.kt
new file mode 100644
index 0000000..51e37e4
--- /dev/null
+++ b/src/main/kotlin/de/sh_edraft/config/Config.kt
@@ -0,0 +1,79 @@
+package de.sh_edraft.config
+
+import java.io.File
+import java.net.InetAddress
+import java.net.UnknownHostException
+import java.util.*
+import java.util.logging.Logger
+
+
+class Config(private var logger: Logger) {
+    private val properties = Properties()
+
+    var hostName: String = ""
+        get() {
+            return this.getHostname() ?: "localhost"
+        }
+        private set
+
+    var environment: String = ""
+        get() {
+            return System.getenv("PLUGIN_ENVIRONMENT") ?: "production"
+        }
+        private set
+
+    lateinit var ApiURL: String
+        private set
+
+    lateinit var ApiKey: String
+        private set
+
+    private fun getHostname(): String? {
+        try {
+            return InetAddress.getLocalHost().hostName
+        } catch (ex: UnknownHostException) {
+            println("Hostname can not be resolved")
+        }
+        return null
+    }
+
+    fun read(filename: String, optional: Boolean = false) {
+        logger.config("Try to read config ${filename}")
+        var foundFile = false
+        try {
+            val file = File(filename);
+            if (!file.exists()) {
+                if (!optional) {
+                    file.parentFile.mkdirs();
+                    logger.config("${filename} not found")
+                    file.writeText(
+                        """
+                        apiURL: http://localhost/api/graphql
+                        apiKey: abcd
+                        """.trimIndent()
+                    )
+                }
+                return
+            }
+            this.properties.load(file.reader())
+            logger.info("Found config ${filename}")
+            foundFile = true
+        } catch (e: Exception) {
+            this.logger.warning("Error loading ${filename}")
+        }
+
+        if (!foundFile) {
+            return
+        }
+        try {
+            this.ApiURL = this.getProperty("apiURL").toString()
+            this.ApiKey = this.getProperty("apiKey").toString()
+        } catch (e: Exception) {
+            this.logger.severe("Error loading config")
+        }
+    }
+
+    private fun getProperty(key: String): String? {
+        return this.properties.getProperty(key)
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/de/sh_edraft/data/DataService.kt b/src/main/kotlin/de/sh_edraft/data/DataService.kt
new file mode 100644
index 0000000..130f5d0
--- /dev/null
+++ b/src/main/kotlin/de/sh_edraft/data/DataService.kt
@@ -0,0 +1,94 @@
+package de.sh_edraft.data
+
+import de.sh_edraft.config.Config
+import java.net.URI
+import java.net.http.HttpClient
+import java.net.http.HttpRequest
+import java.net.http.HttpResponse
+import java.util.logging.Logger
+import org.json.JSONObject
+
+class DataService(
+    private val logger: Logger,
+    private val config: Config
+) {
+
+    private fun getUserJoinedMutation(id: String): String {
+        return JSONObject(
+            """
+            {
+                "query": "mutation { userJoinedGameServer { userJoined(input: { ident: \"$id\" }) { id } } }"
+            }
+        """.trimIndent()
+        ).toString()
+    }
+
+    private fun getUserLeftMutation(id: String): String {
+        return JSONObject(
+            """
+            {
+                "query": "mutation { userJoinedGameServer { userLeft(input: { ident: \"$id\" }) { id } } }"
+            }
+        """.trimIndent()
+        ).toString()
+    }
+
+    fun getPlayerGlobalId(name: String): String? {
+        val client = HttpClient.newBuilder().build();
+        val request = HttpRequest.newBuilder()
+            .uri(URI.create("https://api.mojang.com/users/profiles/minecraft/$name"))
+            .build();
+
+        val response = client.send(request, HttpResponse.BodyHandlers.ofString()).body() ?: return null;
+        val json = JSONObject(response)
+        return json.getString("id");
+    }
+
+    fun sendJoinedPlayer(id: String) {
+        val client = HttpClient.newBuilder().build();
+
+        val request = HttpRequest.newBuilder()
+            .uri(URI.create(this.config.ApiURL))
+            .POST(HttpRequest.BodyPublishers.ofString(this.getUserJoinedMutation(id)))
+            .header("Authorization", "API-Key ${this.config.ApiKey}")
+            .header("Content-Type", "application/json")
+            .build();
+
+        val response = client.send(request, HttpResponse.BodyHandlers.ofString());
+        try {
+            // check if response is valid
+            val joinId = JSONObject(response.body())
+                .getJSONObject("data")
+                .getJSONObject("userJoinedGameServer")
+                .getJSONObject("userJoined")
+                .getString("id")
+                .toIntOrNull();
+        } catch (e: Exception) {
+            logger.severe(e.message);
+        }
+    }
+
+    fun sendLeftPlayer(id: String) {
+        val client = HttpClient.newBuilder().build();
+
+        val request = HttpRequest.newBuilder()
+            .uri(URI.create(this.config.ApiURL))
+            .POST(HttpRequest.BodyPublishers.ofString(this.getUserLeftMutation(id)))
+            .header("Authorization", "API-Key ${this.config.ApiKey}")
+            .header("Content-Type", "application/json")
+            .build();
+
+        val response = client.send(request, HttpResponse.BodyHandlers.ofString());
+        try {
+            // check if response is valid
+            val joinId = JSONObject(response.body())
+                .getJSONObject("data")
+                .getJSONObject("userJoinedGameServer")
+                .getJSONObject("userJoined")
+                .getString("id")
+                .toIntOrNull();
+        } catch (e: Exception) {
+            logger.severe(e.message);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/de/sh_edraft/events/OnJoinListener.kt b/src/main/kotlin/de/sh_edraft/events/OnJoinListener.kt
new file mode 100644
index 0000000..e15a711
--- /dev/null
+++ b/src/main/kotlin/de/sh_edraft/events/OnJoinListener.kt
@@ -0,0 +1,21 @@
+package de.sh_edraft.events
+
+import de.sh_edraft.data.DataService
+import org.bukkit.event.EventHandler
+import org.bukkit.event.Listener
+import org.bukkit.event.player.PlayerJoinEvent
+import java.util.logging.Logger
+
+class OnJoinListener(
+    private val logger: Logger,
+    private val dataService: DataService
+) : Listener {
+    @EventHandler
+    fun onPlayerJoin(p: PlayerJoinEvent) {
+        if (p.player.player ==  null) {
+            return;
+        }
+        val playerId = this.dataService.getPlayerGlobalId(p.player.player!!.displayName) ?: return;
+        this.dataService.sendJoinedPlayer(playerId);
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/de/sh_edraft/events/OnLeftListener.kt b/src/main/kotlin/de/sh_edraft/events/OnLeftListener.kt
new file mode 100644
index 0000000..8f02336
--- /dev/null
+++ b/src/main/kotlin/de/sh_edraft/events/OnLeftListener.kt
@@ -0,0 +1,33 @@
+package de.sh_edraft.events
+
+import de.sh_edraft.data.DataService
+import org.bukkit.event.EventHandler
+import org.bukkit.event.Listener
+import org.bukkit.event.player.PlayerEvent
+import org.bukkit.event.player.PlayerKickEvent
+import org.bukkit.event.player.PlayerQuitEvent
+import java.util.logging.Logger
+
+class OnLeftListener(
+    private val logger: Logger,
+    private val dataService: DataService
+) : Listener {
+
+    private fun handleQuit(p: PlayerEvent) {
+        if (p.player.player ==  null) {
+            return;
+        }
+        val playerId = this.dataService.getPlayerGlobalId(p.player.player!!.displayName) ?: return;
+        this.dataService.sendLeftPlayer(playerId);
+    }
+
+    @EventHandler
+    fun onPlayerQuit(p: PlayerQuitEvent) {
+        this.handleQuit(p)
+    }
+
+    @EventHandler
+    fun onPlayerKick(p: PlayerKickEvent) {
+        this.handleQuit(p)
+    }
+}
\ No newline at end of file
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
new file mode 100644
index 0000000..873804b
--- /dev/null
+++ b/src/main/resources/plugin.yml
@@ -0,0 +1,3 @@
+name: sh_edraft.OntimeHandlerPlugin
+version: 1.0
+main: de.sh_edraft.OntimeHandlerPlugin
\ No newline at end of file
diff --git a/target/classes/META-INF/kd_ontime_handler_spigot.kotlin_module b/target/classes/META-INF/kd_ontime_handler_spigot.kotlin_module
deleted file mode 100644
index 4e7592e..0000000
Binary files a/target/classes/META-INF/kd_ontime_handler_spigot.kotlin_module and /dev/null differ
diff --git a/target/maven-archiver/pom.properties b/target/maven-archiver/pom.properties
deleted file mode 100644
index a173de2..0000000
--- a/target/maven-archiver/pom.properties
+++ /dev/null
@@ -1,5 +0,0 @@
-#Generated by Maven
-#Thu Jan 12 20:27:56 CET 2023
-groupId=de.sh-edraft
-artifactId=kd_ontime_handler_spigot
-version=1.0-SNAPSHOT
diff --git a/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
deleted file mode 100644
index e69de29..0000000
diff --git a/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst b/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
deleted file mode 100644
index e69de29..0000000