feat: subagents

core/config/load.ts

@@ -464,7 +464,7 @@
     }
     if (name === "llm") {
       const llm = models.find((model) => model.title === params?.modelTitle);
       if (!llm) {
         errors.push({
           fatal: false,
           message: `Unknown reranking model ${params?.modelTitle}`,
@@ -514,6 +514,7 @@
       autocomplete: [...tabAutocompleteModels],
       embed: newEmbedder ? [newEmbedder] : [],
       rerank: newReranker ? [newReranker] : [],
+      subagent: [],
     },
     selectedModelByRole: {
       chat: null, // Not implemented (uses GUI defaultModel)
@@ -523,6 +524,7 @@
       autocomplete: null,
       rerank: newReranker ?? null,
       summarize: null, // Not implemented
+      subagent: null,
     },
     rules: [],
   };
@@ -558,7 +560,7 @@
       id: `continue-mcp-server-${index + 1}`,
       name: `MCP Server`,
       requestOptions: mergeConfigYamlRequestOptions(
         server.transport.type !== "stdio"
           ? server.transport.requestOptions
           : undefined,
         config.requestOptions,

core/config/usesFreeTrialApiKey.vitest.ts

@@ -58,6 +58,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: [],
         rerank: [],
         embed: [],
+        subagent: [],
       },
       selectedModelByRole: {
         chat: null,
@@ -67,6 +68,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: null,
         rerank: null,
         embed: null,
+        subagent: null,
       },
       contextProviders: [],
       slashCommands: [],
@@ -106,6 +108,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: [],
         rerank: [],
         embed: [],
+        subagent: [],
       },
       selectedModelByRole: {
         chat: null,
@@ -115,6 +118,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: null,
         rerank: null,
         embed: null,
+        subagent: null,
       },
       contextProviders: [],
       slashCommands: [],
@@ -166,6 +170,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: [],
         rerank: [],
         embed: [],
+        subagent: [],
       },
       selectedModelByRole: {
         chat: null,
@@ -175,6 +180,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: null,
         rerank: null,
         embed: null,
+        subagent: null,
       },
       contextProviders: [],
       slashCommands: [],
@@ -227,6 +233,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: [],
         rerank: [],
         embed: [],
+        subagent: [],
       },
       selectedModelByRole: {
         chat: null,
@@ -236,6 +243,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: null,
         rerank: null,
         embed: null,
+        subagent: null,
       },
       contextProviders: [],
       slashCommands: [],
@@ -281,6 +289,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: [],
         rerank: [],
         embed: [],
+        subagent: [],
       },
       selectedModelByRole: {
         chat: null,
@@ -290,6 +299,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: null,
         rerank: null,
         embed: null,
+        subagent: null,
       },
       contextProviders: [],
       slashCommands: [],
@@ -323,6 +333,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: [],
         rerank: [],
         embed: [],
+        subagent: [],
       },
       selectedModelByRole: {
         chat: null,
@@ -332,6 +343,7 @@ describe("usesFreeTrialApiKey", () => {
         autocomplete: null,
         rerank: null,
         embed: null,
+        subagent: null,
       },
       contextProviders: [],
       slashCommands: [],

core/config/yaml/loadYaml.ts

@@ -187,6 +187,7 @@ export async function configYamlToContinueConfig(options: {
       autocomplete: [],
       rerank: [],
       summarize: [],
+      subagent: [],
     },
     selectedModelByRole: {
       chat: null,
@@ -196,6 +197,7 @@ export async function configYamlToContinueConfig(options: {
       autocomplete: null,
       rerank: null,
       summarize: null,
+      subagent: null,
     },
     rules: [],
     requestOptions: { ...config.requestOptions },
@@ -333,6 +335,10 @@ export async function configYamlToContinueConfig(options: {
       if (model.roles?.includes("rerank")) {
         continueConfig.modelsByRole.rerank.push(...llms);
       }
+
+      if (model.roles?.includes("subagent")) {
+        continueConfig.modelsByRole.subagent.push(...llms);
+      }
     } catch (e) {
       localErrors.push({
         fatal: false,

core/config/yaml/models.vitest.ts

@@ -67,6 +67,7 @@ describe("llmsFromModelConfig requestOptions merging", () => {
         embed: null,
         rerank: null,
         summarize: null,
+        subagent: null,
       },
       modelsByRole: {
         apply: [],
@@ -76,6 +77,7 @@ describe("llmsFromModelConfig requestOptions merging", () => {
         embed: [],
         rerank: [],
         summarize: [],
+        subagent: [],
       },
       slashCommands: [],
       tools: [],

extensions/cli/src/commands/BaseCommandOptions.ts

@@ -25,6 +25,8 @@ export interface BaseCommandOptions {
   agent?: string;
   /** Enable beta UploadArtifact tool */
   betaUploadArtifactTool?: boolean;
+  /** Enable beta Subagent tool */
+  betaSubagentTool?: boolean;
 }
 
 /**

extensions/cli/src/index.ts

@@ -198,6 +198,10 @@ addCommonOptions(program)
   )
   .option("--resume", "Resume from last session")
   .option("--fork <sessionId>", "Fork from an existing session ID")
+  .option(
+    "--beta-subagent-tool",
+    "Enable beta Subagent tool for invoking subagents",
+  )
   .action(async (prompt, options) => {
     // Telemetry: record command invocation
     await posthogService.capture("cliCommand", { command: "cn" });

extensions/cli/src/services/ModelService.ts

@@ -305,4 +305,25 @@ export class ModelService
       return nameMatches;
     });
   }
+
+  static getSubagentModels(modelState: ModelServiceState) {
+    if (!modelState.assistant) {
+      return [];
+    }
+    const subagentModels = modelState.assistant.models
+      ?.filter((model) => !!model)
+      .filter((model) => !!model.name) // filter out models without a name
+      .filter((model) => model.roles?.includes("subagent")) // filter with role subagent
+      .filter((model) => !!model.chatOptions?.baseSystemMessage); // filter those with a system message
+
+    if (!subagentModels) {
+      return [];
+    }
+    return subagentModels?.map((model) => ({
+      llmApi: createLlmApi(model, modelState.authConfig),
+      model,
+      assistant: modelState.assistant,
+      authConfig: modelState.authConfig,
+    }));
+  }
 }

extensions/cli/src/services/index.ts

@@ -1,6 +1,9 @@
 import { loadAuthConfig } from "../auth/workos.js";
 import { initializeWithOnboarding } from "../onboarding.js";
-import { setBetaUploadArtifactToolEnabled } from "../tools/toolsConfig.js";
+import {
+  setBetaSubagentToolEnabled,
+  setBetaUploadArtifactToolEnabled,
+} from "../tools/toolsConfig.js";
 import { logger } from "../util/logger.js";
 
 import { AgentFileService } from "./AgentFileService.js";
@@ -62,6 +65,9 @@ export async function initializeServices(initOptions: ServiceInitOptions = {}) {
   if (commandOptions.betaUploadArtifactTool) {
     setBetaUploadArtifactToolEnabled(true);
   }
+  if (commandOptions.betaSubagentTool) {
+    setBetaSubagentToolEnabled(true);
+  }
   // Handle onboarding for TUI mode (headless: false) unless explicitly skipped
   if (!initOptions.headless && !initOptions.skipOnboarding) {
     const authConfig = loadAuthConfig();
@@ -383,6 +389,8 @@ export const services = {
   gitAiIntegration: gitAiIntegrationService,
 } as const;
 
+export type ServicesType = typeof services;
+
 // Export the service container for advanced usage
 export { serviceContainer };
 

extensions/cli/src/stream/streamChatResponse.ts

@@ -457,8 +457,6 @@ export async function streamChatResponse(
     chatHistory = refreshChatHistoryFromService(chatHistory, isCompacting);
     logger.debug("Starting conversation iteration");
 
-    logger.debug("debug1 streamChatResponse history", { chatHistory });
-
     // Get system message once per iteration (can change based on tool permissions mode)
     const systemMessage = await services.systemMessage.getSystemMessage(
       services.toolPermissions.getState().currentMode,