diff --git a/README.md b/README.md
index db4694a..6830490 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,7 @@ my-addon/
 │   ├── behavior_pack/
 │   └── resource_pack/
 ├── pack/                       # .mcaddon output
-├── quick-start.json            # Project configuration
+├── mcbe.config.json            # Project configuration
 ├── package.json
 └── tsconfig.json               # Only for TypeScript projects
 ```
diff --git a/src/commands/build.ts b/src/commands/build.ts
index 829a61b..ac434e3 100644
--- a/src/commands/build.ts
+++ b/src/commands/build.ts
@@ -12,7 +12,7 @@ const TS_FILTER = (src: string) => !src.endsWith('.ts')
 export async function buildCommand(options: { package?: boolean }) {
   const projectDir = getProjectDir()
   if (!projectDir) {
-    console.error(pc.red('  ✗ No quick-start.json found'))
+    console.error(pc.red('  ✗ No mcbe.config.json found'))
     process.exit(1)
   }
 
diff --git a/src/commands/dev.ts b/src/commands/dev.ts
index 705e122..829cd7e 100644
--- a/src/commands/dev.ts
+++ b/src/commands/dev.ts
@@ -24,7 +24,7 @@ function syncDir(src: string, dest: string, label: string) {
 export async function devCommand(options: DevOptions = {}) {
   const projectDir = getProjectDir()
   if (!projectDir) {
-    console.error(pc.red('  ✗ No quick-start.json found'))
+    console.error(pc.red('  ✗ No mcbe.config.json found'))
     process.exit(1)
   }
 
diff --git a/src/commands/manifest.ts b/src/commands/manifest.ts
index 2351f88..30ab196 100644
--- a/src/commands/manifest.ts
+++ b/src/commands/manifest.ts
@@ -6,7 +6,7 @@ import { getProjectConfig, getProjectDir } from '../core/project.js'
 export async function manifestCommand() {
   const projectDir = getProjectDir()
   if (!projectDir) {
-    console.error(pc.red('  ✗ No quick-start.json found'))
+    console.error(pc.red('  ✗ No mcbe.config.json found'))
     process.exit(1)
   }
 
diff --git a/src/commands/sync.ts b/src/commands/sync.ts
index 605bba6..7b6ab36 100644
--- a/src/commands/sync.ts
+++ b/src/commands/sync.ts
@@ -7,7 +7,7 @@ import { getMcPaths, getMcProjectDir } from '../utils/mcpath.js'
 export async function syncCommand() {
   const projectDir = getProjectDir()
   if (!projectDir) {
-    console.error(pc.red('  ✗ No quick-start.json found'))
+    console.error(pc.red('  ✗ No mcbe.config.json found'))
     process.exit(1)
   }
 
diff --git a/src/core/project.ts b/src/core/project.ts
index f1bc1ee..422d9ed 100644
--- a/src/core/project.ts
+++ b/src/core/project.ts
@@ -2,7 +2,7 @@ import type { QuickStartConfig } from '../types.js'
 import { existsSync, readFileSync, writeFileSync } from 'node:fs'
 import { join } from 'node:path'
 
-const CONFIG_FILE = 'quick-start.json'
+const CONFIG_FILE = 'mcbe.config.json'
 
 export function getProjectDir(): string | null {
   let dir = process.cwd()
@@ -16,7 +16,7 @@ export function getProjectDir(): string | null {
 
 export function getProjectConfig(projectDir?: string): QuickStartConfig {
   const dir = projectDir || getProjectDir()
-  if (!dir) { throw new Error('No quick-start.json found. Are you in a project directory?') }
+  if (!dir) { throw new Error('No mcbe.config.json found. Are you in a project directory?') }
 
   const configPath = join(dir, CONFIG_FILE)
   if (!existsSync(configPath)) { throw new Error(`Config file not found: ${configPath}`) }
diff --git a/src/utils/mcpath.ts b/src/utils/mcpath.ts
index 5e5f104..347d86b 100644
--- a/src/utils/mcpath.ts
+++ b/src/utils/mcpath.ts
@@ -48,7 +48,7 @@ export function getMcPaths(projectDir?: string): McPaths | null {
   }
 
   if (projectDir) {
-    const configPath = join(projectDir, 'quick-start.json')
+    const configPath = join(projectDir, 'mcbe.config.json')
     if (existsSync(configPath)) {
       try {
         const config: QuickStartConfig = JSON.parse(readFileSync(configPath, 'utf-8'))