diff --git a/astro.config.mjs b/astro.config.mjs
index be0a653..cf5e5dc 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -10,6 +10,9 @@ import starlight from "@astrojs/starlight";
 import astroExpressiveCode from "astro-expressive-code";
 import { pluginLineNumbers } from "@expressive-code/plugin-line-numbers";
 import { sidebars } from "./sidebar.config.mjs";
+import starlightLlmsTxt from 'starlight-llms-txt'
+
+
 // https://astro.build/config
 export default defineConfig({
   compressHTML: true,
@@ -32,6 +35,11 @@ export default defineConfig({
         },
       ],
       sidebar: sidebars,
+      plugins: [
+        starlightLlmsTxt({
+          projectName: "Flutter 배우기",
+        }),
+      ],
     }),
   ],
   markdown: {
diff --git a/package-lock.json b/package-lock.json
index a7d9f6a..ca9cee9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,8 @@
         "astro-expressive-code": "^0.41.2",
         "playwright": "^1.52.0",
         "rehype-mermaid": "^3.0.0",
-        "sharp": "^0.32.5"
+        "sharp": "^0.32.5",
+        "starlight-llms-txt": "^0.5.1"
       }
     },
     "node_modules/@antfu/install-pkg": {
@@ -2051,6 +2052,12 @@
         "tslib": "^2.4.0"
       }
     },
+    "node_modules/@types/braces": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/@types/braces/-/braces-3.0.5.tgz",
+      "integrity": "sha512-SQFof9H+LXeWNz8wDe7oN5zu7ket0qwMu5vZubW4GCJ8Kkeh6nBWUz87+KTz/G3Kqsrp0j/W253XJb3KMEeg3w==",
+      "license": "MIT"
+    },
     "node_modules/@types/d3": {
       "version": "7.4.3",
       "resolved": "https://registry.npmjs.org/@types/d3/-/d3-7.4.3.tgz",
@@ -2373,6 +2380,15 @@
       "integrity": "sha512-+OWZQfAYyio6YkJb3HLxDrvnx6SWWDbC0zVPfBRzUk0/nqoDyf6dNxQi3eArPe8rJ473nobTMQ/8Zk+LxJ+Yuw==",
       "license": "MIT"
     },
+    "node_modules/@types/micromatch": {
+      "version": "4.0.9",
+      "resolved": "https://registry.npmjs.org/@types/micromatch/-/micromatch-4.0.9.tgz",
+      "integrity": "sha512-7V+8ncr22h4UoYRLnLXSpTxjQrNUXtWHGeMPRJt1nULXI57G9bIcpyrHlmrQ7QK24EyyuXvYcSSWAM8GA9nqCg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/braces": "*"
+      }
+    },
     "node_modules/@types/ms": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/@types/ms/-/ms-2.1.0.tgz",
@@ -2947,6 +2963,18 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/braces": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
+      "integrity": "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==",
+      "license": "MIT",
+      "dependencies": {
+        "fill-range": "^7.1.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/brotli": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/brotli/-/brotli-1.3.3.tgz",
@@ -4458,6 +4486,18 @@
       "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
       "license": "MIT"
     },
+    "node_modules/fill-range": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
+      "integrity": "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==",
+      "license": "MIT",
+      "dependencies": {
+        "to-regex-range": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/flattie": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/flattie/-/flattie-1.1.1.tgz",
@@ -4891,6 +4931,32 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/hast-util-to-mdast": {
+      "version": "10.1.2",
+      "resolved": "https://registry.npmjs.org/hast-util-to-mdast/-/hast-util-to-mdast-10.1.2.tgz",
+      "integrity": "sha512-FiCRI7NmOvM4y+f5w32jPRzcxDIz+PUqDwEqn1A+1q2cdp3B8Gx7aVrXORdOKjMNDQsD1ogOr896+0jJHW1EFQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/hast": "^3.0.0",
+        "@types/mdast": "^4.0.0",
+        "@ungap/structured-clone": "^1.0.0",
+        "hast-util-phrasing": "^3.0.0",
+        "hast-util-to-html": "^9.0.0",
+        "hast-util-to-text": "^4.0.0",
+        "hast-util-whitespace": "^3.0.0",
+        "mdast-util-phrasing": "^4.0.0",
+        "mdast-util-to-hast": "^13.0.0",
+        "mdast-util-to-string": "^4.0.0",
+        "rehype-minify-whitespace": "^6.0.0",
+        "trim-trailing-lines": "^2.0.0",
+        "unist-util-position": "^5.0.0",
+        "unist-util-visit": "^5.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/hast-util-to-parse5": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/hast-util-to-parse5/-/hast-util-to-parse5-8.0.0.tgz",
@@ -5220,6 +5286,15 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/is-number": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.12.0"
+      }
+    },
     "node_modules/is-plain-obj": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-4.1.0.tgz",
@@ -6560,6 +6635,31 @@
       ],
       "license": "MIT"
     },
+    "node_modules/micromatch": {
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
+      "integrity": "sha512-PXwfBhYu0hBCPw8Dn0E+WDYb7af3dSLVWKi3HGv84IdF4TyFoC0ysxFd0Goxw7nSv4T/PzEJQxsYsEiFCKo2BA==",
+      "license": "MIT",
+      "dependencies": {
+        "braces": "^3.0.3",
+        "picomatch": "^2.3.1"
+      },
+      "engines": {
+        "node": ">=8.6"
+      }
+    },
+    "node_modules/micromatch/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/mimic-response": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-3.1.0.tgz",
@@ -7447,6 +7547,20 @@
         }
       }
     },
+    "node_modules/rehype-minify-whitespace": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/rehype-minify-whitespace/-/rehype-minify-whitespace-6.0.2.tgz",
+      "integrity": "sha512-Zk0pyQ06A3Lyxhe9vGtOtzz3Z0+qZ5+7icZ/PL/2x1SHPbKao5oB/g/rlc6BCTajqBb33JcOe71Ye1oFsuYbnw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/hast": "^3.0.0",
+        "hast-util-minify-whitespace": "^1.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/rehype-parse": {
       "version": "9.0.1",
       "resolved": "https://registry.npmjs.org/rehype-parse/-/rehype-parse-9.0.1.tgz",
@@ -7492,6 +7606,23 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/rehype-remark": {
+      "version": "10.0.1",
+      "resolved": "https://registry.npmjs.org/rehype-remark/-/rehype-remark-10.0.1.tgz",
+      "integrity": "sha512-EmDndlb5NVwXGfUa4c9GPK+lXeItTilLhE6ADSaQuHr4JUlKw9MidzGzx4HpqZrNCt6vnHmEifXQiiA+CEnjYQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/hast": "^3.0.0",
+        "@types/mdast": "^4.0.0",
+        "hast-util-to-mdast": "^10.0.0",
+        "unified": "^11.0.0",
+        "vfile": "^6.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/rehype-stringify": {
       "version": "10.0.1",
       "resolved": "https://registry.npmjs.org/rehype-stringify/-/rehype-stringify-10.0.1.tgz",
@@ -7965,6 +8096,33 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/starlight-llms-txt": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/starlight-llms-txt/-/starlight-llms-txt-0.5.1.tgz",
+      "integrity": "sha512-EPhTZ7jOhMxp6BBSpYNWuaJezzI+4eRgkwlFGV/XNNGSjNibo9JHrCvCbJO6BDk4znXcTWi0x8N7FO7ckNXLGQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@astrojs/mdx": "^4.0.5",
+        "@types/hast": "^3.0.4",
+        "@types/micromatch": "^4.0.9",
+        "github-slugger": "^2.0.0",
+        "hast-util-select": "^6.0.3",
+        "micromatch": "^4.0.8",
+        "rehype-parse": "^9.0.1",
+        "rehype-remark": "^10.0.0",
+        "remark-gfm": "^4.0.0",
+        "remark-stringify": "^11.0.0",
+        "unified": "^11.0.5",
+        "unist-util-remove": "^4.0.0"
+      },
+      "engines": {
+        "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+      },
+      "peerDependencies": {
+        "@astrojs/starlight": ">=0.31",
+        "astro": "^5.1.6"
+      }
+    },
     "node_modules/stream-replace-string": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/stream-replace-string/-/stream-replace-string-2.0.0.tgz",
@@ -8178,6 +8336,18 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
+    "node_modules/to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "license": "MIT",
+      "dependencies": {
+        "is-number": "^7.0.0"
+      },
+      "engines": {
+        "node": ">=8.0"
+      }
+    },
     "node_modules/tr46": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
@@ -8194,6 +8364,16 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/trim-trailing-lines": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/trim-trailing-lines/-/trim-trailing-lines-2.1.0.tgz",
+      "integrity": "sha512-5UR5Biq4VlVOtzqkm2AZlgvSlDJtME46uV0br0gENbwN4l5+mMKT4b9gJKqWtuL2zAIqajGJGuvbCbcAJUZqBg==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
     "node_modules/trough": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/trough/-/trough-2.2.0.tgz",
@@ -8417,6 +8597,21 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/unist-util-remove": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/unist-util-remove/-/unist-util-remove-4.0.0.tgz",
+      "integrity": "sha512-b4gokeGId57UVRX/eVKej5gXqGlc9+trkORhFJpu9raqZkZhU0zm8Doi05+HaiBsMEIJowL+2WtQ5ItjsngPXg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/unist": "^3.0.0",
+        "unist-util-is": "^6.0.0",
+        "unist-util-visit-parents": "^6.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/unist-util-remove-position": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/unist-util-remove-position/-/unist-util-remove-position-5.0.0.tgz",
diff --git a/package.json b/package.json
index 7f10b04..2377b24 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "astro-expressive-code": "^0.41.2",
     "playwright": "^1.52.0",
     "rehype-mermaid": "^3.0.0",
-    "sharp": "^0.32.5"
+    "sharp": "^0.32.5",
+    "starlight-llms-txt": "^0.5.1"
   }
 }
diff --git a/src/content/docs/appendix/error-handling.md b/src/content/docs/appendix/error-handling.md
index bd5a419..593e8e6 100644
--- a/src/content/docs/appendix/error-handling.md
+++ b/src/content/docs/appendix/error-handling.md
@@ -273,7 +273,7 @@ Execution failed for task ':app:mergeDebugResources'. > java.lang.OutOfMemoryErr
 **원인**: 메서드 수가 DEX 제한을 초과
 **해결 방법**: `android/app/build.gradle`에 멀티덱스 활성화
 
-```gradle
+```txt
 android {
   defaultConfig {
     multiDexEnabled true
diff --git a/src/content/docs/appendix/social-login.mdx b/src/content/docs/appendix/social-login.mdx
index b83fb71..523e603 100644
--- a/src/content/docs/appendix/social-login.mdx
+++ b/src/content/docs/appendix/social-login.mdx
@@ -106,7 +106,7 @@ dependencies:
 
 2. `android/app/build.gradle` 파일의 `defaultConfig` 섹션에 매니페스트 플레이스홀더 추가:
 
-```gradle
+```txt
 defaultConfig {
     // ...
     manifestPlaceholders += [
diff --git a/src/content/docs/part8/deploy-procedure.md b/src/content/docs/part8/deploy-procedure.md
index 2b3c353..2ae1296 100644
--- a/src/content/docs/part8/deploy-procedure.md
+++ b/src/content/docs/part8/deploy-procedure.md
@@ -40,7 +40,7 @@ storeFile=<키스토어 파일 경로, 예: /Users/username/upload-keystore.jks>
 
 2. `android/app/build.gradle` 파일 수정:
 
-```gradle
+```txt
 // 파일 상단에 다음 코드 추가
 def keystoreProperties = new Properties()
 def keystorePropertiesFile = rootProject.file('key.properties')
diff --git a/src/content/docs/part8/environment-flavors.md b/src/content/docs/part8/environment-flavors.md
index e91f4fa..75970c9 100644
--- a/src/content/docs/part8/environment-flavors.md
+++ b/src/content/docs/part8/environment-flavors.md
@@ -226,7 +226,7 @@ class MyHomePage extends StatelessWidget {
 
 **android/app/build.gradle** 파일을 수정하여 각 Flavor에 대한 설정을 추가합니다:
 
-```gradle
+```txt
 android {
     // 기존 설정...
 
@@ -483,7 +483,7 @@ Firebase 프로젝트를 환경별로 분리하여 관리하는 것이 좋습니
 
 **android/app/build.gradle**:
 
-```gradle
+```txt
 android {
     // 기존 설정...