diff --git a/PartnerCtl/src/main/java/work/slhaf/partner/ctl/PartnerCtl.kt b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/PartnerCtl.kt
new file mode 100644
index 00000000..a93c4948
--- /dev/null
+++ b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/PartnerCtl.kt
@@ -0,0 +1,33 @@
+package work.slhaf.partner.ctl
+
+import picocli.AutoComplete
+import picocli.CommandLine
+import work.slhaf.partner.ctl.commands.*
+import kotlin.system.exitProcess
+
+@CommandLine.Command(
+    name = "partnerctl",
+    mixinStandardHelpOptions = true,
+    version = ["partnerctl 0.1.0"],
+    subcommands = [
+        InitCommand::class,
+        RunCommand::class,
+        ChatCommand::class,
+        ConfigCommand::class,
+        ModuleCommand::class,
+        AutoComplete.GenerateCompletion::class
+    ],
+    description = ["Partner command line tool."]
+)
+class PartnerCtl : Runnable {
+
+    override fun run() {
+        CommandLine.usage(this, System.out)
+    }
+
+}
+
+fun main(args: Array<String>) {
+    val exitCode = CommandLine(PartnerCtl()).execute(*args)
+    exitProcess(exitCode)
+}
\ No newline at end of file
diff --git a/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/ChatCommand.kt b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/ChatCommand.kt
new file mode 100644
index 00000000..fe26381a
--- /dev/null
+++ b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/ChatCommand.kt
@@ -0,0 +1,55 @@
+package work.slhaf.partner.ctl.commands
+
+import org.jline.reader.EndOfFileException
+import org.jline.reader.LineReaderBuilder
+import org.jline.reader.UserInterruptException
+import org.jline.terminal.Terminal
+import org.jline.terminal.TerminalBuilder
+import picocli.CommandLine
+
+@CommandLine.Command(
+    name = "chat",
+    description = ["Start an interactive chat demo."]
+)
+class ChatCommand : Runnable {
+
+    override fun run() {
+        val terminal = createTerminal()
+        val reader = LineReaderBuilder.builder()
+            .terminal(terminal)
+            .build()
+
+        terminal.writer().println("Partner chat demo. Type /exit to quit.")
+        terminal.writer().flush()
+
+        while (true) {
+            val line = try {
+                reader.readLine("partner> ")
+            } catch (_: UserInterruptException) {
+                terminal.writer().println()
+                terminal.writer().flush()
+                continue
+            } catch (_: EndOfFileException) {
+                terminal.writer().println()
+                terminal.writer().flush()
+                break
+            }
+
+            when {
+                line == "/exit" -> break
+                line.isBlank() -> continue
+                else -> {
+                    terminal.writer().println("echo: $line")
+                    terminal.writer().flush()
+                }
+            }
+        }
+    }
+
+    private fun createTerminal(): Terminal {
+        return TerminalBuilder.builder()
+            .system(true)
+            .dumb(true)
+            .build()
+    }
+}
\ No newline at end of file
diff --git a/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/ConfigCommand.kt b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/ConfigCommand.kt
new file mode 100644
index 00000000..7a354aab
--- /dev/null
+++ b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/ConfigCommand.kt
@@ -0,0 +1,10 @@
+package work.slhaf.partner.ctl.commands
+
+import picocli.CommandLine
+
+@CommandLine.Command(name = "config")
+class ConfigCommand : Runnable{
+    override fun run() {
+        TODO("Not yet implemented")
+    }
+}
\ No newline at end of file
diff --git a/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/InitCommand.kt b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/InitCommand.kt
new file mode 100644
index 00000000..0e217cda
--- /dev/null
+++ b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/InitCommand.kt
@@ -0,0 +1,10 @@
+package work.slhaf.partner.ctl.commands
+
+import picocli.CommandLine
+
+@CommandLine.Command(name = "init")
+class InitCommand : Runnable{
+    override fun run() {
+        println("init ok")
+    }
+}
\ No newline at end of file
diff --git a/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/ModuleCommand.kt b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/ModuleCommand.kt
new file mode 100644
index 00000000..6f1ecf63
--- /dev/null
+++ b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/ModuleCommand.kt
@@ -0,0 +1,10 @@
+package work.slhaf.partner.ctl.commands
+
+import picocli.CommandLine
+
+@CommandLine.Command(name = "module")
+class ModuleCommand : Runnable{
+    override fun run() {
+        TODO("Not yet implemented")
+    }
+}
\ No newline at end of file
diff --git a/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/RunCommand.kt b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/RunCommand.kt
new file mode 100644
index 00000000..9576cecd
--- /dev/null
+++ b/PartnerCtl/src/main/java/work/slhaf/partner/ctl/commands/RunCommand.kt
@@ -0,0 +1,10 @@
+package work.slhaf.partner.ctl.commands
+
+import picocli.CommandLine
+
+@CommandLine.Command(name = "run")
+class RunCommand : Runnable{
+    override fun run() {
+        TODO("Not yet implemented")
+    }
+}
\ No newline at end of file