Add install mcp prompt to init and dev, and add support for codex-cli with toml config

Author: ericallam

packages/cli-v3/package.json

@@ -82,6 +82,7 @@
   "dependencies": {
     "@clack/prompts": "0.11.0",
     "@depot/cli": "0.0.1-cli.2.80.0",
+    "@iarna/toml": "^2.2.5",
     "@modelcontextprotocol/sdk": "^1.17.0",
     "@opentelemetry/api": "1.9.0",
     "@opentelemetry/api-logs": "0.203.0",

packages/cli-v3/src/commands/dev.ts

@@ -13,6 +13,14 @@ import { runtimeChecks } from "../utilities/runtimeCheck.js";
 import { getProjectClient, LoginResultOk } from "../utilities/session.js";
 import { login } from "./login.js";
 import { updateTriggerPackages } from "./update.js";
+import {
+  readConfigHasSeenMCPInstallPrompt,
+  writeConfigHasSeenMCPInstallPrompt,
+} from "../utilities/configFiles.js";
+import { confirm, isCancel, log } from "@clack/prompts";
+import { installMcpServer } from "./install-mcp.js";
+import { tryCatch } from "@trigger.dev/core/utils";
+import { VERSION } from "@trigger.dev/core";
 
 const DevCommandOptions = CommonCommandOptions.extend({
   debugOtel: z.boolean().default(false),
@@ -70,6 +78,33 @@ export function configureDevCommand(program: Command) {
 export async function devCommand(options: DevCommandOptions) {
   runtimeChecks();
 
+  const hasSeenMCPInstallPrompt = readConfigHasSeenMCPInstallPrompt();
+
+  if (!hasSeenMCPInstallPrompt) {
+    const installChoice = await confirm({
+      message: "Would you like to install the Trigger.dev MCP server?",
+      initialValue: true,
+    });
+
+    const skipInstall = isCancel(installChoice) || !installChoice;
+
+    if (!skipInstall) {
+      log.step("Welcome to the Trigger.dev MCP server install wizard 🧙");
+
+      const [installError] = await tryCatch(
+        installMcpServer({
+          yolo: false,
+          tag: VERSION as string,
+          logLevel: options.logLevel,
+        })
+      );
+
+      if (installError) {
+        log.error(`Failed to install MCP server: ${installError.message}`);
+      }
+    }
+  }
+
   const authorization = await login({
     embedded: true,
     silent: true,

packages/cli-v3/src/commands/init.ts

@@ -1,6 +1,11 @@
 import { intro, isCancel, log, outro, select, text } from "@clack/prompts";
 import { context, trace } from "@opentelemetry/api";
-import { GetProjectResponseBody, LogLevel, flattenAttributes } from "@trigger.dev/core/v3";
+import {
+  GetProjectResponseBody,
+  LogLevel,
+  flattenAttributes,
+  tryCatch,
+} from "@trigger.dev/core/v3";
 import { recordSpanException } from "@trigger.dev/core/v3/workers";
 import chalk from "chalk";
 import { Command, Option as CommandOption } from "commander";
@@ -33,6 +38,11 @@ import { logger } from "../utilities/logger.js";
 import { spinner } from "../utilities/windows.js";
 import { VERSION } from "../version.js";
 import { login } from "./login.js";
+import {
+  readConfigHasSeenMCPInstallPrompt,
+  writeConfigHasSeenMCPInstallPrompt,
+} from "../utilities/configFiles.js";
+import { installMcpServer } from "./install-mcp.js";
 
 const cliVersion = VERSION as string;
 const cliTag = cliVersion.includes("v4-beta") ? "v4-beta" : "latest";
@@ -108,6 +118,43 @@ async function _initCommand(dir: string, options: InitCommandOptions) {
     throw new Error("--project-ref is required when using --yes flag");
   }
 
+  const hasSeenMCPInstallPrompt = readConfigHasSeenMCPInstallPrompt();
+
+  if (!hasSeenMCPInstallPrompt) {
+    const installChoice = await select({
+      message: "Choose how you want to initialize your project:",
+      options: [
+        {
+          value: "mcp",
+          label: "Trigger.dev MCP",
+          hint: "Automatically install the Trigger.dev MCP server and then vibe your way to a new project.",
+        },
+        { value: "cli", label: "CLI", hint: "Continue with the CLI" },
+      ],
+    });
+
+    const continueWithCLI = isCancel(installChoice) || installChoice === "cli";
+
+    if (!continueWithCLI) {
+      log.step("Welcome to the Trigger.dev MCP server install wizard 🧙");
+
+      const [installError] = await tryCatch(
+        installMcpServer({
+          yolo: false,
+          tag: options.tag,
+          logLevel: options.logLevel,
+        })
+      );
+
+      if (installError) {
+        outro(`Failed to install MCP server: ${installError.message}`);
+        return;
+      }
+
+      return;
+    }
+  }
+
   intro("Initializing project");
 
   const cwd = resolve(process.cwd(), dir);
@@ -204,7 +251,7 @@ async function _initCommand(dir: string, options: InitCommandOptions) {
     `${authorization.dashboardUrl}/projects/v3/${selectedProject.externalRef}`
   );
 
-  log.success("Successfully initialized project for Trigger.dev v3 🫡");
+  log.success("Successfully initialized your Trigger.dev project 🫡");
   log.info("Next steps:");
   log.info(
     `   1. To start developing, run ${chalk.green(