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Examples: AIA MCP client registry #2

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226 changes: 226 additions & 0 deletions examples/ai_assistant/chat_handler.ipynb
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{
"cells": [
{
"metadata": {},
"cell_type": "markdown",
"source": [
"# JetBrains AI Assistant Chat Handler\n",
"\n",
"This notebook presents how to extend the [JetBrains AI Assistant](https://plugins.jetbrains.com/plugin/22282-jetbrains-ai-assistant) plugin in the runtime by providing a custom message handler."
]
},
{
"metadata": {
"ExecuteTime": {
"end_time": "2025-10-02T04:22:19.265561Z",
"start_time": "2025-10-02T04:22:17.834847Z"
},
"executionRelatedData": {
"compiledClasses": [
"Line_1_jupyter",
"Line_2_jupyter"
]
}
},
"cell_type": "code",
"source": "%use intellij-platform",
"outputs": [
{
"data": {
"text/plain": [
"IntelliJ Platform integration is loaded"
]
},
"metadata": {},
"output_type": "display_data",
"jetTransient": {
"display_id": null
}
}
],
"execution_count": 1
},
{
"metadata": {},
"cell_type": "markdown",
"source": "Load the JetBrains AI Assistant bundled plugin using its `com.intellij.ml.llm` ID."
},
{
"metadata": {
"ExecuteTime": {
"end_time": "2025-10-02T04:22:22.365779Z",
"start_time": "2025-10-02T04:22:21.587057Z"
},
"executionRelatedData": {
"compiledClasses": [
"Line_4_jupyter",
"Line_5_jupyter",
"Line_6_jupyter",
"Line_7_jupyter",
"Line_8_jupyter"
]
}
},
"cell_type": "code",
"source": "loadPlugins(\"com.intellij.ml.llm\")",
"outputs": [],
"execution_count": 2
},
{
"metadata": {
"ExecuteTime": {
"end_time": "2025-10-02T03:55:51.653816Z",
"start_time": "2025-10-02T03:55:51.239719Z"
}
},
"cell_type": "code",
"source": [
"import com.intellij.ml.llm.agents.ChatAgent\n",
"import com.intellij.ml.llm.core.chat.messages.ChatMessage\n",
"import com.intellij.ml.llm.core.chat.messages.UserMessage\n",
"import com.intellij.ml.llm.core.chat.messages.impl.SimpleCompletableMessage\n",
"import com.intellij.ml.llm.core.chat.session.ChatKind\n",
"import com.intellij.ml.llm.core.chat.session.ChatMessageHandler\n",
"import com.intellij.ml.llm.core.chat.session.ChatSession\n",
"import com.intellij.ml.llm.smartChat.endpoints.SmartChatEndpoint\n",
"import com.intellij.openapi.application.ApplicationManager\n",
"import com.intellij.openapi.extensions.ExtensionPointName\n",
"import com.intellij.openapi.project.Project\n",
"\n",
"class MyChatMessageHandler : ChatMessageHandler {\n",
" override fun isApplicable(project: Project, kind: ChatKind, userMessage: UserMessage) = true\n",
"\n",
" override fun createAnswerMessage(\n",
" project: Project,\n",
" chat: ChatSession,\n",
" userMessage: UserMessage,\n",
" kind: ChatKind,\n",
" ) = SimpleCompletableMessage(chat)\n",
"\n",
" override suspend fun serveAnswerMessage(\n",
" project: Project,\n",
" chat: ChatSession,\n",
" answerMessage: ChatMessage,\n",
" smartChatEndpoints: List<SmartChatEndpoint>,\n",
" ) = ChatAgent.EP_NAME.extensionList.last().serveAnswerMessage(project, chat, answerMessage)\n",
"}\n",
"\n",
"registerExtension(ChatMessageHandler.EP, MyChatMessageHandler())"
],
"outputs": [],
"execution_count": 6
},
{
"metadata": {
"ExecuteTime": {
"end_time": "2025-10-02T03:55:51.730786Z",
"start_time": "2025-10-02T03:55:51.654405Z"
}
},
"cell_type": "code",
"source": [
"import com.intellij.ml.llm.agents.ChatAgent\n",
"import com.intellij.ml.llm.core.chat.messages.ChatMessage\n",
"import com.intellij.ml.llm.core.chat.messages.impl.SimpleCompletableMessage\n",
"import com.intellij.ml.llm.core.chat.session.ChatSession\n",
"import com.intellij.ml.llm.privacy.trustedStringBuilders.privacyConst\n",
"import com.intellij.openapi.application.ApplicationManager\n",
"import com.intellij.openapi.project.Project\n",
"\n",
"class MyChatAgent : ChatAgent {\n",
"\n",
" override val id = \"groot\"\n",
" override val name = \"I am Groot\"\n",
"\n",
" override fun createAnswerMessage(\n",
" project: Project,\n",
" chat: ChatSession,\n",
" userMessage: UserMessage,\n",
" kind: ChatKind\n",
" ): ChatMessage = SimpleCompletableMessage(chat)\n",
"\n",
" override suspend fun serveAnswerMessage(\n",
" project: Project,\n",
" chat: ChatSession,\n",
" answerMessage: ChatMessage,\n",
" ) {\n",
" if (answerMessage !is SimpleCompletableMessage) return\n",
" answerMessage.appendText(\"*I am Groot*\".privacyConst)\n",
" }\n",
"}\n",
"\n",
"registerExtension(ChatAgent.EP_NAME, MyChatAgent())"
],
"outputs": [
{
"ename": "org.jetbrains.kotlinx.jupyter.exceptions.ReplCompilerException",
"evalue": "at Cell In[7], line 9, column 1: Class 'MyChatAgent' is not abstract and does not implement abstract member public abstract val icon: Icon? defined in com.intellij.ml.llm.agents.ChatAgent",
"output_type": "error",
"traceback": [
"org.jetbrains.kotlinx.jupyter.exceptions.ReplCompilerException: at Cell In[7], line 9, column 1: Class 'MyChatAgent' is not abstract and does not implement abstract member public abstract val icon: Icon? defined in com.intellij.ml.llm.agents.ChatAgent",
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.JupyterCompilerImpl.compileSync(JupyterCompilerImpl.kt:151)",
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.InternalEvaluatorImpl.eval(InternalEvaluatorImpl.kt:126)",
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.CellExecutorImpl.execute_W38Nk0s$lambda$0$1(CellExecutorImpl.kt:95)",
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.withHost(ReplForJupyterImpl.kt:730)",
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.CellExecutorImpl.execute-W38Nk0s(CellExecutorImpl.kt:93)",
"\tat org.jetbrains.kotlinx.jupyter.repl.execution.CellExecutor.execute-W38Nk0s$default(CellExecutor.kt:14)",
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.evaluateUserCode-wNURfNM(ReplForJupyterImpl.kt:591)",
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.evalExImpl(ReplForJupyterImpl.kt:472)",
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.evalEx$lambda$0(ReplForJupyterImpl.kt:466)",
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.withEvalContext(ReplForJupyterImpl.kt:448)",
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.evalEx(ReplForJupyterImpl.kt:465)",
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor.processExecuteRequest$lambda$0$0$0(IdeCompatibleMessageRequestProcessor.kt:161)",
"\tat org.jetbrains.kotlinx.jupyter.streams.NonBlockingSubstitutionEngine.withDataSubstitution(SubstitutionEngine.kt:124)",
"\tat org.jetbrains.kotlinx.jupyter.streams.StreamSubstitutionManager.withSubstitutedStreams(StreamSubstitutionManager.kt:118)",
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor.withForkedIn(IdeCompatibleMessageRequestProcessor.kt:351)",
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor.evalWithIO$lambda$0$0(IdeCompatibleMessageRequestProcessor.kt:364)",
"\tat org.jetbrains.kotlinx.jupyter.streams.NonBlockingSubstitutionEngine.withDataSubstitution(SubstitutionEngine.kt:124)",
"\tat org.jetbrains.kotlinx.jupyter.streams.StreamSubstitutionManager.withSubstitutedStreams(StreamSubstitutionManager.kt:118)",
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor.withForkedErr(IdeCompatibleMessageRequestProcessor.kt:341)",
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor.evalWithIO$lambda$0(IdeCompatibleMessageRequestProcessor.kt:363)",
"\tat org.jetbrains.kotlinx.jupyter.streams.NonBlockingSubstitutionEngine.withDataSubstitution(SubstitutionEngine.kt:124)",
"\tat org.jetbrains.kotlinx.jupyter.streams.StreamSubstitutionManager.withSubstitutedStreams(StreamSubstitutionManager.kt:118)",
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor.withForkedOut(IdeCompatibleMessageRequestProcessor.kt:334)",
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor.evalWithIO(IdeCompatibleMessageRequestProcessor.kt:362)",
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor.processExecuteRequest$lambda$0$0(IdeCompatibleMessageRequestProcessor.kt:160)",
"\tat org.jetbrains.kotlinx.jupyter.execution.JupyterExecutorImpl$Task.execute(JupyterExecutorImpl.kt:41)",
"\tat org.jetbrains.kotlinx.jupyter.execution.JupyterExecutorImpl.executorThread$lambda$0(JupyterExecutorImpl.kt:81)",
"\tat kotlin.concurrent.ThreadsKt$thread$thread$1.run(Thread.kt:30)",
""
]
}
],
"execution_count": 7
},
{
"metadata": {},
"cell_type": "markdown",
"source": [
"To use this newly registered chat agent, click *AI Chat* on the right toolbar to open the AI Assistant chat tool window.\n",
"\n",
"In the input field, type your question, for example `Who are you?`. AI Assistant will use the newly registered Chat Agent and provide the reply: `I am Groot`."
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Kotlin",
"language": "kotlin",
"name": "kotlin"
},
"language_info": {
"name": "kotlin",
"version": "1.9.23",
"mimetype": "text/x-kotlin",
"file_extension": ".kt",
"pygments_lexer": "kotlin",
"codemirror_mode": "text/x-kotlin",
"nbconvert_exporter": ""
},
"ktnbPluginMetadata": {
"sessionRunMode": "IDE_PROCESS"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
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